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<td align="center" colspan="1" rowspan="1" width="20%"><a href="NED?action=retrieve&amp;identifier=general_glossary_about&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_top#ned_top" onclick="openSmallPopup(event,'NED?action=retrieve&amp;identifier=general_glossary_about&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_top#ned_top');return false" shape="rect" target="_blank"><img alt="Document information" border="0" class="Metainfo" src="NED?action=retrieve&amp;identifier=dn01158003&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></a></td>
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<div class="div">
<h2>I</h2>

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<h3>I</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011296#id011296" onclick="sync(this);return true" shape="rect">See information frame</a></p>
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<h3>I frame</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011296#id011296" onclick="sync(this);return true" shape="rect">See information frame</a></p>
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<h3>I-CSCF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014104#id014104" onclick="sync(this);return true" shape="rect">See interrogating call state control function</a></p>
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<h3>i-series</h3>

<p>DX 200 platform series with increased capacity and compact cartridge mechanics for the GSM network subsystem (NSS) elements</p>
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<div class="topic">
<h3>I-SM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016940#id016940" onclick="sync(this);return true" shape="rect">See incoming state model</a></p>
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<h3>I/O driver</h3>

<p>device driver which implements system services for I/O operations</p>
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<h3>I/O system</h3>

<p>hardware and software required to enter various input-output devices</p>
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<h3>I/O system administration</h3>

<p>command class including commands with which I/O devices, such as disks, magnetic tapes, and line printers, handle data input and output</p>
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<div class="topic">
<h3>I/O-device</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01896#id01896" onclick="sync(this);return true" shape="rect">See input/output device</a></p>
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<h3>I12</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016449#id016449" onclick="sync(this);return true" shape="rect">See I12 interface</a></p>
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<div class="topic">
<h3>I12 interface; <em>I12</em></h3>

<p>interface for tunnelling data between the radio network gateway (RNGW) and base station gateway (BSGW)</p>
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<h3>i18n</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019010#id019010" onclick="sync(this);return true" shape="rect">See internationalisation</a></p>
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<h3>I2C</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015790#id015790" onclick="sync(this);return true" shape="rect">See inter integrated circuit bus</a></p>
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<h3>I2C bus</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015790#id015790" onclick="sync(this);return true" shape="rect">See inter integrated circuit bus</a></p>
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<div class="topic">
<h3>IA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05572#id05572" onclick="sync(this);return true" shape="rect">See CUG with incoming access</a></p>
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<h3>IAC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020346#id020346" onclick="sync(this);return true" shape="rect">See IN alarms client</a></p>
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<h3>IACC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015677#id015677" onclick="sync(this);return true" shape="rect">See in-advance credit checking</a></p>
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<h3>IACC interface; <em>in advance credit check interface</em>; <em>IACCIF</em></h3>

<p>interface which enables a connection between a messaging service centre and an external system that stores information on prepaid subscribers</p>
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<h3>IACC server</h3>

<p>CORBA-based server part of the Nokia Charging Center (NCC), to which the in-advance credit check interface (IACCIF) of a messaging centre connects</p>
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<div class="topic">
<h3>IACC with credit reservation</h3>

<p>in-advance credit checking (IACC) that provides the operator with an opportunity to check the availability of sufficient credit and to reserve the cost of the pending service</p>
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<div class="topic">
<h3>IACC with direct balance impact</h3>

<p>in-advance credit checking (IACC) by means of which the sufficient credit for delivery of the service is immediately deducted from the subscriber's balance</p>
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<div class="topic">
<h3>IACCIF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018174#id018174" onclick="sync(this);return true" shape="rect">See IACC interface</a></p>
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<h3>IAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03964#id03964" onclick="sync(this);return true" shape="rect">See initial address message</a></p>
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<h3>IANA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09974#id09974" onclick="sync(this);return true" shape="rect">See Internet Assigned Numbers Authority</a></p>
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<h3>IAP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016247#id016247" onclick="sync(this);return true" shape="rect">See Internet access point</a></p>
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<h3>IAZ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09108#id09108" onclick="sync(this);return true" shape="rect">See incoming accounting zone</a></p>
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<h3>IB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016467#id016467" onclick="sync(this);return true" shape="rect">See InfiniBand</a></p>
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<h3>IBCN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03993#id03993" onclick="sync(this);return true" shape="rect">See broadband integrated services digital network</a></p>
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<h3>IBM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09728#id09728" onclick="sync(this);return true" shape="rect">See internal bandwidth management</a></p>
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<h3>IC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05639#id05639" onclick="sync(this);return true" shape="rect">See interlock code</a></p>
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<h3>IC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06330#id06330" onclick="sync(this);return true" shape="rect">See individual call</a></p>
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<h3>IC card</h3>

<p>card with an integrated circuit that contains subscriber, end user, authentication and/or application data for one or more applications</p>
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<h3>ICA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010441#id010441" onclick="sync(this);return true" shape="rect">See InitiateCallAttempt operation</a></p>
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<h3>ICANN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09976#id09976" onclick="sync(this);return true" shape="rect">See Internet Corporation for Assigned Names And Numbers</a></p>
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<h3>ICB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02254#id02254" onclick="sync(this);return true" shape="rect">See incoming call barring</a></p>
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<h3>icb</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05574#id05574" onclick="sync(this);return true" shape="rect">See incoming calls barred within a CUG</a></p>
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<h3>ICB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05574#id05574" onclick="sync(this);return true" shape="rect">See incoming calls barred within a CUG</a></p>
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<h3>ICC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08194#id08194" onclick="sync(this);return true" shape="rect">See smart card</a></p>
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<h3>ICC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08528#id08528" onclick="sync(this);return true" shape="rect">See incoming call control</a></p>
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<h3>ICD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020037#id020037" onclick="sync(this);return true" shape="rect">See intelligent content delivery</a></p>
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<h3>ICD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09733#id09733" onclick="sync(this);return true" shape="rect">See international code designator</a></p>
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<div class="topic">
<h3>ICD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020052#id020052" onclick="sync(this);return true" shape="rect">See intelligent content delivery system</a></p>
</div>


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<div class="topic">
<h3>ICD service directory; <em>ISD</em></h3>

<p>directory that network elements use as a repository for service and element configurations</p>
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<div class="topic">
<h3>ICD service information structure</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020478#id020478" onclick="sync(this);return true" shape="rect">See service information structure</a></p>
</div>


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<h3>ICD system</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020052#id020052" onclick="sync(this);return true" shape="rect">See intelligent content delivery system</a></p>
</div>


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<div class="topic">
<h3>ICE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09017#id09017" onclick="sync(this);return true" shape="rect">See intelligent coverage enhancement</a></p>
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<h3>ICF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05275#id05275" onclick="sync(this);return true" shape="rect">See information conversion function</a></p>
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<h3>ICGW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014023#id014023" onclick="sync(this);return true" shape="rect">See incoming call gateway</a></p>
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<h3>ICK</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015947#id015947" onclick="sync(this);return true" shape="rect">See IN category key</a></p>
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<h3>ICM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0634#id0634" onclick="sync(this);return true" shape="rect">See in-call rearrangement</a></p>
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<h3>ICM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06497#id06497" onclick="sync(this);return true" shape="rect">See IN conceptual model</a></p>
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<h3>ICMP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09975#id09975" onclick="sync(this);return true" shape="rect">See Internet control message protocol</a></p>
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<div class="topic">
<h3>ICMP echo message</h3>

<p>message that the PING program frequently uses to check if a host beyond the first-level switch is online</p>
</div>


<a name="id017115" shape="rect"></a>
<div class="topic">
<h3>ICMP echo reply; <em>ICMP echo response</em></h3>

<p>ICMP echo message that a server sends as a response to an ICMP echo request</p>
</div>


<a name="id017114" shape="rect"></a>
<div class="topic">
<h3>ICMP echo request</h3>

<p>ICMP echo message that is sent by the client</p>
</div>


<a name="p2xhtm-repid-7642" shape="rect"></a>
<div class="topic">
<h3>ICMP echo response</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017115#id017115" onclick="sync(this);return true" shape="rect">See ICMP echo reply</a></p>
</div>


<a name="id020594" shape="rect"></a>
<div class="topic">
<h3>ICMP handler</h3>

<p>handler that implements a configurable ICMP policy, which dictates how each incoming or outgoing ICMP message should be processed</p>
</div>


<a name="id020593" shape="rect"></a>
<div class="topic">
<h3>ICMP message</h3>

<p>message that is used to pass information at the IP layer to other hosts in an IP network</p>
</div>


<a name="id016732" shape="rect"></a>
<div class="topic">
<h3>ICMP router discovery protocol; <em>IRDP</em></h3>

<p>router discovery protocol which enables a host to determine the address of a router that it can use as a default gateway</p>
</div>


<a name="p2xhtm-repid-7646" shape="rect"></a>
<div class="topic">
<h3>ICMPv6</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015153#id015153" onclick="sync(this);return true" shape="rect">See Internet control message protocol for the Internet protocol version 6</a></p>
</div>


<a name="id07074" shape="rect"></a>
<div class="topic">
<h3>icon; <em>screen object</em></h3>

<p>on-screen graphic representing a user interface element that a user can select or manipulate, for example an application, document, or disk</p>
</div>


<a name="id019815" shape="rect"></a>
<div class="topic">
<h3>icon button</h3>

<p>button with an icon</p>
</div>


<a name="p2xhtm-repid-7649" shape="rect"></a>
<div class="topic">
<h3>ICP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013751#id013751" onclick="sync(this);return true" shape="rect">See IMA control protocol</a></p>
</div>


<a name="p2xhtm-repid-7650" shape="rect"></a>
<div class="topic">
<h3>ICP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015531#id015531" onclick="sync(this);return true" shape="rect">See integrity check program</a></p>
</div>


<a name="p2xhtm-repid-7651" shape="rect"></a>
<div class="topic">
<h3>ICP cell</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013752#id013752" onclick="sync(this);return true" shape="rect">See IMA control protocol cell</a></p>
</div>


<a name="p2xhtm-repid-7652" shape="rect"></a>
<div class="topic">
<h3>ICS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011797#id011797" onclick="sync(this);return true" shape="rect">See implementation conformance statement</a></p>
</div>


<a name="p2xhtm-repid-7653" shape="rect"></a>
<div class="topic">
<h3>ICV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015904#id015904" onclick="sync(this);return true" shape="rect">See integrity check value</a></p>
</div>


<a name="p2xhtm-repid-7654" shape="rect"></a>
<div class="topic">
<h3>ID</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02863#id02863" onclick="sync(this);return true" shape="rect">See idle</a></p>
</div>


<a name="id0775" shape="rect"></a>
<div class="topic">
<h3>ID; <em>identifier</em></h3>

<p>unique identification of an object</p>
</div>


<a name="p2xhtm-repid-7656" shape="rect"></a>
<div class="topic">
<h3>ID</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id021118#id021118" onclick="sync(this);return true" shape="rect">See intrusion detection</a></p>
</div>


<a name="p2xhtm-repid-7657" shape="rect"></a>
<div class="topic">
<h3>ID-FF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020438#id020438" onclick="sync(this);return true" shape="rect">See Liberty Identity Federation Framework</a></p>
</div>


<a name="p2xhtm-repid-7658" shape="rect"></a>
<div class="topic">
<h3>IDCR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010809#id010809" onclick="sync(this);return true" shape="rect">See IMA data cell rate</a></p>
</div>


<a name="p2xhtm-repid-7659" shape="rect"></a>
<div class="topic">
<h3>IDE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019432#id019432" onclick="sync(this);return true" shape="rect">See integrated development environment</a></p>
</div>


<a name="p2xhtm-repid-7660" shape="rect"></a>
<div class="topic">
<h3>IDEA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010540#id010540" onclick="sync(this);return true" shape="rect">See international data encryption algorithm</a></p>
</div>


<a name="id015622" shape="rect"></a>
<div class="topic">
<h3>identification</h3>

<p>process of determining the identity of a user</p>
</div>


<a name="p2xhtm-repid-7662" shape="rect"></a>
<div class="topic">
<h3>identification request</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012266#id012266" onclick="sync(this);return true" shape="rect">See identification request message</a></p>
</div>


<a name="id012266" shape="rect"></a>
<div class="topic">
<h3>identification request message; <em>identification request</em>; <em>IDR</em></h3>

<p>signalling message in which action is requested regarding the malicious call identification supplementary service</p>
</div>


<a name="p2xhtm-repid-7664" shape="rect"></a>
<div class="topic">
<h3>identification response</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012267#id012267" onclick="sync(this);return true" shape="rect">See identification response message</a></p>
</div>


<a name="id012267" shape="rect"></a>
<div class="topic">
<h3>identification response message; <em>identification response</em>; <em>IRS</em></h3>

<p>signalling message sent as a response to the identification request message.</p>
</div>


<a name="p2xhtm-repid-7666" shape="rect"></a>
<div class="topic">
<h3>identifier</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0775#id0775" onclick="sync(this);return true" shape="rect">See ID</a></p>
</div>


<a name="id07581" shape="rect"></a>
<div class="topic">
<h3>identifier string</h3>

<p>text string which forms the complete node address</p>
</div>


<a name="p2xhtm-repid-7668" shape="rect"></a>
<div class="topic">
<h3>Identity Federation Framework</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020438#id020438" onclick="sync(this);return true" shape="rect">See Liberty Identity Federation Framework</a></p>
</div>


<a name="id019688" shape="rect"></a>
<div class="topic">
<h3>identity provider; <em>IDP</em>; <em>idP</em></h3>

<p>entity that manages user identity information and provides authentication services to one or more service providers</p>
</div>


<a name="id07356" shape="rect"></a>
<div class="topic">
<h3>identity-based access control; <em>discretionary access control</em>; <em>DAC</em></h3>

<p>access control that restricts access to files and other system objects such as directories and devices based on the identity of users and/or the groups to which they belong, and lets the users control further access to the information</p>
</div>


<a name="p2xhtm-repid-7671" shape="rect"></a>
<div class="topic">
<h3>IDI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05806#id05806" onclick="sync(this);return true" shape="rect">See initial domain identifier</a></p>
</div>


<a name="p2xhtm-repid-7672" shape="rect"></a>
<div class="topic">
<h3>IDL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012169#id012169" onclick="sync(this);return true" shape="rect">See interface definition language</a></p>
</div>


<a name="id02863" shape="rect"></a>
<div class="topic">
<h3>idle; <em>ID</em></h3>

<p>state of a functional unit, into which it automatically switches after finishing the servicing of all calls that were initiated before blocked-state</p>
</div>


<a name="id0809" shape="rect"></a>
<div class="topic">
<h3>idle channel noise</h3>

<p>noise present in a communications channel when no signals are applied to it</p>
</div>


<a name="id05019" shape="rect"></a>
<div class="topic">
<h3>idle mode</h3>

<p>state of a mobile terminal not actively processing a call</p>
</div>


<a name="id016171" shape="rect"></a>
<div class="topic">
<h3>idle mode auto-tuning; <em>idle mode tuning</em></h3>

<p>fast auto-tuning of the cell parameters that are part of the algorithm that a mobile station executes to choose the serving cell</p>
</div>


<a name="p2xhtm-repid-7677" shape="rect"></a>
<div class="topic">
<h3>idle mode tuning</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016171#id016171" onclick="sync(this);return true" shape="rect">See idle mode auto-tuning</a></p>
</div>


<a name="id014468" shape="rect"></a>
<div class="topic">
<h3>idle period downlink; <em>IPDL</em>; <em>IP-DL</em></h3>

<p>period of time during which there is no transmission in the downlink direction</p>
</div>


<a name="id016460" shape="rect"></a>
<div class="topic">
<h3>idle period downlink - observed time difference of arrival; <em>OTDOA-IPDL</em>; <em>IPDL-OTDOA</em></h3>

<p>observed time difference of arrival (OTDOA) in which the base transceiver station (BTS) provides idle periods in the downlink in order to improve the hearability of neighbouring BTSs</p>
</div>


<a name="id03663" shape="rect"></a>
<div class="topic">
<h3>idle radio channel</h3>

<p>radio channel assigned to a base station and not in use, that is, not occupied and not marked free</p>
</div>


<a name="id01070" shape="rect"></a>
<div class="topic">
<h3>idle state; <em>free state</em></h3>

<p>non-operating up state during non-required time</p>
</div>


<a name="p2xhtm-repid-7682" shape="rect"></a>
<div class="topic">
<h3>idle state BA list</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09026#id09026" onclick="sync(this);return true" shape="rect">See idle state BCCH allocation list</a></p>
</div>


<a name="id09026" shape="rect"></a>
<div class="topic">
<h3>idle state BCCH allocation list; <em>idle state BA list</em></h3>

<p>BCCH allocation sent in the system information message of type 2 on the broadcast control channel</p>
</div>


<a name="id06721" shape="rect"></a>
<div class="topic">
<h3>idle time supervision</h3>

<p>minimum time from the end of the previous call till a new call is received</p>
</div>


<a name="p2xhtm-repid-7685" shape="rect"></a>
<div class="topic">
<h3>IDN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013116#id013116" onclick="sync(this);return true" shape="rect">See international dialled number</a></p>
</div>


<a name="p2xhtm-repid-7686" shape="rect"></a>
<div class="topic">
<h3>IDN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0269#id0269" onclick="sync(this);return true" shape="rect">See integrated digital network</a></p>
</div>


<a name="p2xhtm-repid-7687" shape="rect"></a>
<div class="topic">
<h3>IDNNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017179#id017179" onclick="sync(this);return true" shape="rect">See intra-domain NAS node selector</a></p>
</div>


<a name="p2xhtm-repid-7688" shape="rect"></a>
<div class="topic">
<h3>IDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010439#id010439" onclick="sync(this);return true" shape="rect">See initial detection point</a></p>
</div>


<a name="p2xhtm-repid-7689" shape="rect"></a>
<div class="topic">
<h3>IDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010440#id010440" onclick="sync(this);return true" shape="rect">See initial DP operation</a></p>
</div>


<a name="p2xhtm-repid-7690" shape="rect"></a>
<div class="topic">
<h3>IDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019688#id019688" onclick="sync(this);return true" shape="rect">See identity provider</a></p>
</div>


<a name="p2xhtm-repid-7691" shape="rect"></a>
<div class="topic">
<h3>idP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019688#id019688" onclick="sync(this);return true" shape="rect">See identity provider</a></p>
</div>


<a name="p2xhtm-repid-7692" shape="rect"></a>
<div class="topic">
<h3>IDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05807#id05807" onclick="sync(this);return true" shape="rect">See initial domain part</a></p>
</div>


<a name="p2xhtm-repid-7693" shape="rect"></a>
<div class="topic">
<h3>IDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08049#id08049" onclick="sync(this);return true" shape="rect">See initial domain part</a></p>
</div>


<a name="p2xhtm-repid-7694" shape="rect"></a>
<div class="topic">
<h3>IDPSMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016033#id016033" onclick="sync(this);return true" shape="rect">See InitialDPSMS procedure</a></p>
</div>


<a name="p2xhtm-repid-7695" shape="rect"></a>
<div class="topic">
<h3>IDR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012266#id012266" onclick="sync(this);return true" shape="rect">See identification request message</a></p>
</div>


<a name="p2xhtm-repid-7696" shape="rect"></a>
<div class="topic">
<h3>IDS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020439#id020439" onclick="sync(this);return true" shape="rect">See intrusion detection system</a></p>
</div>


<a name="p2xhtm-repid-7697" shape="rect"></a>
<div class="topic">
<h3>IDSL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013546#id013546" onclick="sync(this);return true" shape="rect">See ISDN digital subscriber line</a></p>
</div>


<a name="p2xhtm-repid-7698" shape="rect"></a>
<div class="topic">
<h3>IDT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09564#id09564" onclick="sync(this);return true" shape="rect">See interrupt descriptor table</a></p>
</div>


<a name="p2xhtm-repid-7699" shape="rect"></a>
<div class="topic">
<h3>IE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05910#id05910" onclick="sync(this);return true" shape="rect">See information element</a></p>
</div>


<a name="p2xhtm-repid-7700" shape="rect"></a>
<div class="topic">
<h3>IEC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013109#id013109" onclick="sync(this);return true" shape="rect">See incoming echo canceller</a></p>
</div>


<a name="p2xhtm-repid-7701" shape="rect"></a>
<div class="topic">
<h3>IEC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02929#id02929" onclick="sync(this);return true" shape="rect">See International Electrotechnical Commission</a></p>
</div>


<a name="p2xhtm-repid-7702" shape="rect"></a>
<div class="topic">
<h3>IEC-bus</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01393#id01393" onclick="sync(this);return true" shape="rect">See general-purpose interface bus</a></p>
</div>


<a name="p2xhtm-repid-7703" shape="rect"></a>
<div class="topic">
<h3>IEEE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04408#id04408" onclick="sync(this);return true" shape="rect">See The Institute of Electrical and Electronics Engineers, Inc.</a></p>
</div>


<a name="p2xhtm-repid-7704" shape="rect"></a>
<div class="topic">
<h3>IEI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011237#id011237" onclick="sync(this);return true" shape="rect">See information element identifier</a></p>
</div>


<a name="id012651" shape="rect"></a>
<div class="topic">
<h3>IETF signalling transmission; <em>IETF signalling transport</em>; <em>signalling transport</em>; <em>SIGTRAN</em></h3>

<p>IETF working group that prepares Internet drafts which define how narrowband circuit-switched network signalling protocols can be transported over an IP network in order to support time division multiplex to IP interworking of voice and data services</p>
</div>


<a name="p2xhtm-repid-7706" shape="rect"></a>
<div class="topic">
<h3>IETF signalling transport</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012651#id012651" onclick="sync(this);return true" shape="rect">See IETF signalling transmission</a></p>
</div>


<a name="p2xhtm-repid-7707" shape="rect"></a>
<div class="topic">
<h3>IF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0359#id0359" onclick="sync(this);return true" shape="rect">See interrupt-enable bit</a></p>
</div>


<a name="p2xhtm-repid-7708" shape="rect"></a>
<div class="topic">
<h3>IF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06233#id06233" onclick="sync(this);return true" shape="rect">See intermediate frequency</a></p>
</div>


<a name="p2xhtm-repid-7709" shape="rect"></a>
<div class="topic">
<h3>IF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06492#id06492" onclick="sync(this);return true" shape="rect">See information flow</a></p>
</div>


<a name="p2xhtm-repid-7710" shape="rect"></a>
<div class="topic">
<h3>IF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06199#id06199" onclick="sync(this);return true" shape="rect">See image frequency</a></p>
</div>


<a name="p2xhtm-repid-7711" shape="rect"></a>
<div class="topic">
<h3>IF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01749#id01749" onclick="sync(this);return true" shape="rect">See interface</a></p>
</div>


<a name="p2xhtm-repid-7712" shape="rect"></a>
<div class="topic">
<h3>IF amplifier</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06235#id06235" onclick="sync(this);return true" shape="rect">See intermediate-frequency amplifier</a></p>
</div>


<a name="p2xhtm-repid-7713" shape="rect"></a>
<div class="topic">
<h3>iFC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017051#id017051" onclick="sync(this);return true" shape="rect">See initial filter criteria</a></p>
</div>


<a name="id017054" shape="rect"></a>
<div class="topic">
<h3>iFC priority; <em>priority number</em></h3>

<p>priority defining the sequence in which the initial filter criteria (iFC) shall be applied</p>
</div>


<a name="p2xhtm-repid-7715" shape="rect"></a>
<div class="topic">
<h3>IFH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09018#id09018" onclick="sync(this);return true" shape="rect">See intelligent frequency hopping</a></p>
</div>


<a name="p2xhtm-repid-7716" shape="rect"></a>
<div class="topic">
<h3>IFHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010123#id010123" onclick="sync(this);return true" shape="rect">See inter-frequency handover</a></p>
</div>


<a name="p2xhtm-repid-7717" shape="rect"></a>
<div class="topic">
<h3>IFHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010125#id010125" onclick="sync(this);return true" shape="rect">See intra-frequency handover</a></p>
</div>


<a name="p2xhtm-repid-7718" shape="rect"></a>
<div class="topic">
<h3>IFS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04841#id04841" onclick="sync(this);return true" shape="rect">See ISDN freephone service</a></p>
</div>


<a name="p2xhtm-repid-7719" shape="rect"></a>
<div class="topic">
<h3>IFU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06273#id06273" onclick="sync(this);return true" shape="rect">See interface unit</a></p>
</div>


<a name="p2xhtm-repid-7720" shape="rect"></a>
<div class="topic">
<h3>IG</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04457#id04457" onclick="sync(this);return true" shape="rect">See gateway MSC</a></p>
</div>


<a name="p2xhtm-repid-7721" shape="rect"></a>
<div class="topic">
<h3>IGMP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010156#id010156" onclick="sync(this);return true" shape="rect">See Internet group management protocol</a></p>
</div>


<a name="p2xhtm-repid-7722" shape="rect"></a>
<div class="topic">
<h3>IGP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010442#id010442" onclick="sync(this);return true" shape="rect">See interior gateway protocol</a></p>
</div>


<a name="p2xhtm-repid-7723" shape="rect"></a>
<div class="topic">
<h3>IGRP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010443#id010443" onclick="sync(this);return true" shape="rect">See interior gateway routing protocol</a></p>
</div>


<a name="p2xhtm-repid-7724" shape="rect"></a>
<div class="topic">
<h3>IIH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011805#id011805" onclick="sync(this);return true" shape="rect">See intermediate system to intermediate system hello</a></p>
</div>


<a name="p2xhtm-repid-7725" shape="rect"></a>
<div class="topic">
<h3>IIOP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012143#id012143" onclick="sync(this);return true" shape="rect">See Internet inter-ORB protocol</a></p>
</div>


<a name="p2xhtm-repid-7726" shape="rect"></a>
<div class="topic">
<h3>IISP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09227#id09227" onclick="sync(this);return true" shape="rect">See interim inter-switch signalling protocol</a></p>
</div>


<a name="p2xhtm-repid-7727" shape="rect"></a>
<div class="topic">
<h3>IK</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06663#id06663" onclick="sync(this);return true" shape="rect">See integrity key</a></p>
</div>


<a name="p2xhtm-repid-7728" shape="rect"></a>
<div class="topic">
<h3>IKE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09977#id09977" onclick="sync(this);return true" shape="rect">See Internet key exchange</a></p>
</div>


<a name="p2xhtm-repid-7729" shape="rect"></a>
<div class="topic">
<h3>ILD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06296#id06296" onclick="sync(this);return true" shape="rect">See semiconductor laser</a></p>
</div>


<a name="id019816" shape="rect"></a>
<div class="topic">
<h3>illustration</h3>

<p>image of a user interface that cannot be used for user interaction</p>
</div>


<a name="p2xhtm-repid-7731" shape="rect"></a>
<div class="topic">
<h3>IM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014470#id014470" onclick="sync(this);return true" shape="rect">See instant messaging</a></p>
</div>


<a name="p2xhtm-repid-7732" shape="rect"></a>
<div class="topic">
<h3>IM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04751#id04751" onclick="sync(this);return true" shape="rect">See incall modification</a></p>
</div>


<a name="p2xhtm-repid-7733" shape="rect"></a>
<div class="topic">
<h3>IM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014032#id014032" onclick="sync(this);return true" shape="rect">See IP multimedia</a></p>
</div>


<a name="p2xhtm-repid-7734" shape="rect"></a>
<div class="topic">
<h3>IM CN SS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="p2xhtm-repid-7735" shape="rect"></a>
<div class="topic">
<h3>IM CN subsystem</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="p2xhtm-repid-7736" shape="rect"></a>
<div class="topic">
<h3>IM private identity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016962#id016962" onclick="sync(this);return true" shape="rect">See private user identity</a></p>
</div>


<a name="p2xhtm-repid-7737" shape="rect"></a>
<div class="topic">
<h3>IM public identity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016963#id016963" onclick="sync(this);return true" shape="rect">See public user identity</a></p>
</div>


<a name="p2xhtm-repid-7738" shape="rect"></a>
<div class="topic">
<h3>IM service</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014021#id014021" onclick="sync(this);return true" shape="rect">See IP multimedia service</a></p>
</div>


<a name="id017055" shape="rect"></a>
<div class="topic">
<h3>IM services identity module; <em>ISIM</em></h3>

<p>application residing on the UMTS IC card (UICC) which provides access to IMS services</p>
</div>


<a name="id014022" shape="rect"></a>
<div class="topic">
<h3>IM subscriber</h3>

<p>subscriber to IP multimedia (IM) services</p>
</div>


<a name="p2xhtm-repid-7741" shape="rect"></a>
<div class="topic">
<h3>IM subscription</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016939#id016939" onclick="sync(this);return true" shape="rect">See IMS subscription</a></p>
</div>


<a name="p2xhtm-repid-7742" shape="rect"></a>
<div class="topic">
<h3>IM subsystem</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="id020540" shape="rect"></a>
<div class="topic">
<h3>IM-MGW; <em>IP multimedia media gateway</em></h3>

<p>multimedia gateway (MGW) which terminates bearer channels from a switched circuit network and media streams from a packet-based IP multimedia subsystem</p>
</div>


<a name="p2xhtm-repid-7744" shape="rect"></a>
<div class="topic">
<h3>IM-MSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013114#id013114" onclick="sync(this);return true" shape="rect">See intermediate mobile services switching centre</a></p>
</div>


<a name="p2xhtm-repid-7745" shape="rect"></a>
<div class="topic">
<h3>IMA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09450#id09450" onclick="sync(this);return true" shape="rect">See inverse multiplexing for ATM</a></p>
</div>


<a name="id013751" shape="rect"></a>
<div class="topic">
<h3>IMA control protocol; <em>ICP</em></h3>

<p>protocol which establishes an inverse-multiplexed user-network interface (UNI) by aggregating traffic from different links into one physical layer medium and distributing ATM cell streams over multiple circuits</p>
</div>


<a name="id013752" shape="rect"></a>
<div class="topic">
<h3>IMA control protocol cell; <em>ICP cell</em></h3>

<p>ATM cell that contains information which permits reconstruction of the ATM cell stream at the receiving end of the IMA virtual link</p>
</div>


<a name="id010809" shape="rect"></a>
<div class="topic">
<h3>IMA data cell rate; <em>IDCR</em></h3>

<p>rate which IMA data cells should be exchanged between the IMA sublayer and the ATM layer</p>
</div>


<a name="id013857" shape="rect"></a>
<div class="topic">
<h3>IMA frame</h3>

<p>unit of control in the inverse multiplexing for ATM (IMA) protocol, consisting of consecutive cells transmitted on each link in an IMA group</p>
</div>


<a name="id09451" shape="rect"></a>
<div class="topic">
<h3>IMA group</h3>

<p>group of links at one end used to establish an IMA virtual link to the other end</p>
</div>


<a name="id013753" shape="rect"></a>
<div class="topic">
<h3>IMA group state machine; <em>GSM</em></h3>

<p>state machine which defines the behaviour of the IMA group</p>
</div>


<a name="id013858" shape="rect"></a>
<div class="topic">
<h3>IMA link</h3>

<p>bidirectional logical channel carried over one direction of a clear channel facility</p>
</div>


<a name="id020888" shape="rect"></a>
<div class="topic">
<h3>IMA logical interface measurement</h3>

<p>measurement which is performed to follow the whole IMA group performance and performance of individual physical links dedicated for certain IMA group</p>
</div>


<a name="p2xhtm-repid-7754" shape="rect"></a>
<div class="topic">
<h3>IMA measurement</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020888#id020888" onclick="sync(this);return true" shape="rect">See IMA logical interface measurement</a></p>
</div>


<a name="id013754" shape="rect"></a>
<div class="topic">
<h3>IMA physical link</h3>

<p>physical path between IMA connection endpoints</p>
</div>


<a name="id013859" shape="rect"></a>
<div class="topic">
<h3>IMA sublayer</h3>

<p>sublayer part of the physical layer which is located between the interface-specific transmission convergence (TC) sublayer and the ATM layer</p>
</div>


<a name="id09452" shape="rect"></a>
<div class="topic">
<h3>IMA virtual link</h3>

<p>virtual link established between 2 IMA units over a number of physical links (IMA group)</p>
</div>


<a name="p2xhtm-repid-7758" shape="rect"></a>
<div class="topic">
<h3>image</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014687#id014687" onclick="sync(this);return true" shape="rect">See wireless bitmap image</a></p>
</div>


<a name="p2xhtm-repid-7759" shape="rect"></a>
<div class="topic">
<h3>image file</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id021226#id021226" onclick="sync(this);return true" shape="rect">See DX image file</a></p>
</div>


<a name="id06199" shape="rect"></a>
<div class="topic">
<h3>image frequency; <em>IF</em></h3>

<p>in heterodyne frequency converters, an undesired input frequency capable of producing the selected frequency by selecting one of the two sidebands produced by beating</p>
</div>


<a name="id021198" shape="rect"></a>
<div class="topic">
<h3>image service</h3>

<p>service which the subscriber management mediator (SMM) provides for the home location register (HLR) workstation in order to offer a near real-time copy of the DX image files on the Network Element Management Unit (NEMU) disks</p>
</div>


<a name="id016015" shape="rect"></a>
<div class="topic">
<h3>imaging</h3>

<p>process for sending still pictures</p>
</div>


<a name="id017589" shape="rect"></a>
<div class="topic">
<h3>IMAP; <em>Internet message access protocol</em></h3>

<p>message access protocol that is used for accessing the remote mailbox</p>
</div>


<a name="id017590" shape="rect"></a>
<div class="topic">
<h3>IMAP4; <em>Internet message access protocol, version 4</em>; <em>Internet mail access protocol, version 4</em></h3>

<p>version of the Internet message access protocol (IMAP) that allows a client to access and manipulate e-mail messages in a remote mailbox in a way that is functionally equivalent to manipulating local mailboxes</p>
</div>


<a name="p2xhtm-repid-7765" shape="rect"></a>
<div class="topic">
<h3>IMC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014020#id014020" onclick="sync(this);return true" shape="rect">See IP multimedia core</a></p>
</div>


<a name="p2xhtm-repid-7766" shape="rect"></a>
<div class="topic">
<h3>IMDB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014574#id014574" onclick="sync(this);return true" shape="rect">See in-memory database</a></p>
</div>


<a name="p2xhtm-repid-7767" shape="rect"></a>
<div class="topic">
<h3>IME</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020961#id020961" onclick="sync(this);return true" shape="rect">See input method editor</a></p>
</div>


<a name="p2xhtm-repid-7768" shape="rect"></a>
<div class="topic">
<h3>IMEI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04475#id04475" onclick="sync(this);return true" shape="rect">See international mobile equipment identity</a></p>
</div>


<a name="p2xhtm-repid-7769" shape="rect"></a>
<div class="topic">
<h3>IMEI check</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011574#id011574" onclick="sync(this);return true" shape="rect">See IMEI checking</a></p>
</div>


<a name="id011574" shape="rect"></a>
<div class="topic">
<h3>IMEI checking; <em>IMEI check</em></h3>

<p>operation controlled by the MSC in which the international mobile station equipment identity (IMEI) of a mobile station is checked during radio contact</p>
</div>


<a name="id011792" shape="rect"></a>
<div class="topic">
<h3>IMEI entry</h3>

<p>entity which consists of a single international mobile station equipment identity (IMEI) or an IMEI series</p>
</div>


<a name="id011793" shape="rect"></a>
<div class="topic">
<h3>IMEI range</h3>

<p>group of international mobile station equipment identity (IMEI) entries between two specified IMEI numbers including all IMEI entries which entirely or partially belong to the defined range</p>
</div>


<a name="id011794" shape="rect"></a>
<div class="topic">
<h3>IMEI series</h3>

<p>set of sequentially numbered mobile stations</p>
</div>


<a name="p2xhtm-repid-7774" shape="rect"></a>
<div class="topic">
<h3>IMGW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016930#id016930" onclick="sync(this);return true" shape="rect">See Internet mail gateway</a></p>
</div>


<a name="id014997" shape="rect"></a>
<div class="topic">
<h3>immediate backup copying</h3>

<p>backup copying where the backup is taken immediately after a specified transaction</p>
</div>


<a name="p2xhtm-repid-7776" shape="rect"></a>
<div class="topic">
<h3>immediate call diversion</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04583#id04583" onclick="sync(this);return true" shape="rect">See unconditional call forwarding</a></p>
</div>


<a name="id013104" shape="rect"></a>
<div class="topic">
<h3>immediate call forwarding</h3>

<p>call forwarding in which the call is forwarded immediately to the subscriber C without giving any announcement to the calling subscriber</p>
</div>


<a name="id017203" shape="rect"></a>
<div class="topic">
<h3>immediate CDR transfer; <em>immediate transfer</em></h3>

<p>transfer of charging records (CDR) in which the charging records are transferred to the post-processing system immediately after they are generated</p>
</div>


<a name="id06673" shape="rect"></a>
<div class="topic">
<h3>immediate charging</h3>

<p>charging report made on a call when a subscriber calls from a telephone which belongs to a report group</p>
</div>


<a name="id011796" shape="rect"></a>
<div class="topic">
<h3>immediate file loading; <em>immediate loading</em></h3>

<p>file loading in which all the data of a file is loaded from a load resource during the actual loading of a unit</p>
</div>


<a name="id05592" shape="rect"></a>
<div class="topic">
<h3>immediate fixed destination call; <em>fixed destination call, administration controlled, immediate</em></h3>

<p>fixed destination call where the call is established immediately after the subscriber lifts the handset</p>
</div>


<a name="p2xhtm-repid-7782" shape="rect"></a>
<div class="topic">
<h3>immediate loading</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011796#id011796" onclick="sync(this);return true" shape="rect">See immediate file loading</a></p>
</div>


<a name="id021038" shape="rect"></a>
<div class="topic">
<h3>immediate location request</h3>

<p>location request for which an immediate response is required</p>
</div>


<a name="id03521" shape="rect"></a>
<div class="topic">
<h3>immediate maintenance</h3>

<p>corrective maintenance performed immediately after fault detection</p>
</div>


<a name="id013105" shape="rect"></a>
<div class="topic">
<h3>immediate service termination; <em>IST</em></h3>

<p>feature which provides the means for the home network (HPLMN) to terminate all the activities of an HPLMN subscriber in a visited network (VPLMN)</p>
</div>


<a name="p2xhtm-repid-7786" shape="rect"></a>
<div class="topic">
<h3>immediate transfer</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017203#id017203" onclick="sync(this);return true" shape="rect">See immediate CDR transfer</a></p>
</div>


<a name="p2xhtm-repid-7787" shape="rect"></a>
<div class="topic">
<h3>IMMSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016931#id016931" onclick="sync(this);return true" shape="rect">See inter-MMS centre</a></p>
</div>


<a name="id06984" shape="rect"></a>
<div class="topic">
<h3>impedance balance ratio</h3>

<p>of a two-terminal network, such as transmission test apparatus, the measure of the degree of symmetry with respect to the earth potential of the impedance presented by the network to the circuit connected to it</p>
</div>


<a name="id016985" shape="rect"></a>
<div class="topic">
<h3>impersonation; <em>masquerade</em></h3>

<p>pretence by an entity to be a different entity</p>
</div>


<a name="p2xhtm-repid-7790" shape="rect"></a>
<div class="topic">
<h3>IMPI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016962#id016962" onclick="sync(this);return true" shape="rect">See private user identity</a></p>
</div>


<a name="id04243" shape="rect"></a>
<div class="topic">
<h3>implementation</h3>

<p>definition of the data and internal services of an entity, together with the lower-level entities that constitute the entity</p>
</div>


<a name="id012770" shape="rect"></a>
<div class="topic">
<h3>implementation capability</h3>

<p>capability that relates to a particular technical domain</p>
</div>


<a name="id011797" shape="rect"></a>
<div class="topic">
<h3>implementation conformance statement; <em>ICS</em></h3>

<p>statement made by the supplier of an implementation or system claimed to conform to a given specification, stating which capabilities have been implemented</p>
</div>


<a name="id011044" shape="rect"></a>
<div class="topic">
<h3>implementation library</h3>

<p>library consisting of the database procedures which are for administrative or maintenance reasons grouped together in the physical data definition language (FDL) description</p>
</div>


<a name="id013106" shape="rect"></a>
<div class="topic">
<h3>implicit disarming</h3>

<p>method to disarm an event detection point in the IN relationship when a detection point (DP) is encountered in a basic call state model (BCSM)</p>
</div>


<a name="id011295" shape="rect"></a>
<div class="topic">
<h3>implicit GPRS detach</h3>

<p>GPRS detach which the serving GPRS support node (SGSN) performs when the MS reachable timer at the serving GPRS support node expires</p>
</div>


<a name="id012268" shape="rect"></a>
<div class="topic">
<h3>implicit IMSI detach from non-GPRS services</h3>

<p>IMSI detach procedure that the serving GPRS support node (SGSN) uses to indicate when an internal serving GPRS support node timer mechanism has caused the serving GPRS support node to delete the GMM context of a mobile station or mark its GMM context as detached</p>
</div>


<a name="id07658" shape="rect"></a>
<div class="topic">
<h3>import</h3>

<p>to read a file in a different format for use by an application</p>
</div>


<a name="id07659" shape="rect"></a>
<div class="topic">
<h3>import</h3>

<p>reading a file in a different format for use by an application</p>
</div>


<a name="p2xhtm-repid-7800" shape="rect"></a>
<div class="topic">
<h3>importation of routes</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09973#id09973" onclick="sync(this);return true" shape="rect">See importing routes</a></p>
</div>


<a name="id019526" shape="rect"></a>
<div class="topic">
<h3>imported number</h3>

<p>in the context of mobile number portability, a telephone number that has been imported to one network operator from another operator</p>
</div>


<a name="id014304" shape="rect"></a>
<div class="topic">
<h3>imported subscription</h3>

<p>subscription which is moved from another public land mobile network (PLMN) to the home PLMN</p>
</div>


<a name="id09973" shape="rect"></a>
<div class="topic">
<h3>importing routes; <em>route importation</em>; <em>importation of routes</em></h3>

<p>mechanism for picking up only certain routes from the received routing announcement and adding them to the router's routing table</p>
</div>


<a name="id06198" shape="rect"></a>
<div class="topic">
<h3>improvement factor</h3>

<p>figure by which the outage time of a single reception is divided in order to get the outage time of the diversity reception</p>
</div>


<a name="p2xhtm-repid-7805" shape="rect"></a>
<div class="topic">
<h3>IMPU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016963#id016963" onclick="sync(this);return true" shape="rect">See public user identity</a></p>
</div>


<a name="p2xhtm-repid-7806" shape="rect"></a>
<div class="topic">
<h3>impulse</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03502#id03502" onclick="sync(this);return true" shape="rect">See excitation</a></p>
</div>


<a name="p2xhtm-repid-7807" shape="rect"></a>
<div class="topic">
<h3>IMR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017006#id017006" onclick="sync(this);return true" shape="rect">See IP multimedia register</a></p>
</div>


<a name="p2xhtm-repid-7808" shape="rect"></a>
<div class="topic">
<h3>IMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="p2xhtm-repid-7809" shape="rect"></a>
<div class="topic">
<h3>IMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014998#id014998" onclick="sync(this);return true" shape="rect">See information management system</a></p>
</div>


<a name="id020169" shape="rect"></a>
<div class="topic">
<h3>IMS gateway</h3>

<p>gateway that acts as a platform for the IP multimedia subsystem (IMS) services through the base station subsystem (BSS)</p>
</div>


<a name="p2xhtm-repid-7811" shape="rect"></a>
<div class="topic">
<h3>IMS LSM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016942#id016942" onclick="sync(this);return true" shape="rect">See local IMS subscription management</a></p>
</div>


<a name="p2xhtm-repid-7812" shape="rect"></a>
<div class="topic">
<h3>IMS service control interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017004#id017004" onclick="sync(this);return true" shape="rect">See IP multimedia service control interface</a></p>
</div>


<a name="id016939" shape="rect"></a>
<div class="topic">
<h3>IMS subscription; <em>IM subscription</em></h3>

<p>subscription that provides the end-user the user identities, access to the IMS, service profiles, and session triggering information</p>
</div>


<a name="p2xhtm-repid-7814" shape="rect"></a>
<div class="topic">
<h3>IMSD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018595#id018595" onclick="sync(this);return true" shape="rect">See Internet message storage database</a></p>
</div>


<a name="p2xhtm-repid-7815" shape="rect"></a>
<div class="topic">
<h3>IMSI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04476#id04476" onclick="sync(this);return true" shape="rect">See international mobile subscriber identity</a></p>
</div>


<a name="id05245" shape="rect"></a>
<div class="topic">
<h3>IMSI attach</h3>

<p>function which informs the public land mobile network (PLMN) that a mobile station (MS) has transferred to the active state and calls can be transmitted</p>
</div>


<a name="id015696" shape="rect"></a>
<div class="topic">
<h3>IMSI authentication</h3>

<p>authentication which is performed by checking the international mobile subscriber identity (IMSI) of the user's SIM card</p>
</div>


<a name="id05244" shape="rect"></a>
<div class="topic">
<h3>IMSI detach</h3>

<p>function which informs the public land mobile network (PLMN) that a mobile station (MS) has transferred to the passive state and no calls can be transmitted</p>
</div>


<a name="id011798" shape="rect"></a>
<div class="topic">
<h3>IMSI detach flag</h3>

<p>flag which is set when the mobile station is switched off or an implicit deregistration or a national roaming reject takes place</p>
</div>


<a name="id011799" shape="rect"></a>
<div class="topic">
<h3>IMSI file; <em>IMSIFILE</em></h3>

<p>file which contains international mobile subscriber identities (IMSI) that are to be used in multiple subscribers operations</p>
</div>


<a name="id013107" shape="rect"></a>
<div class="topic">
<h3>IMSI indicator</h3>

<p>indicator which defines the type of a mobile subscriber on the basis of international mobile subscriber identity (IMSI)</p>
</div>


<a name="p2xhtm-repid-7822" shape="rect"></a>
<div class="topic">
<h3>IMSIFILE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011799#id011799" onclick="sync(this);return true" shape="rect">See IMSI file</a></p>
</div>


<a name="id021085" shape="rect"></a>
<div class="topic">
<h3>IMT-2000 network capabilities</h3>

<p>capability of an IMT-2000 network to support service capabilities</p>
</div>


<a name="id021086" shape="rect"></a>
<div class="topic">
<h3>IMT-2000 service capabilities</h3>

<p>capability of an IMT-2000 network to offer a service or service feature to subscribers</p>
</div>


<a name="p2xhtm-repid-7825" shape="rect"></a>
<div class="topic">
<h3>IMUN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012772#id012772" onclick="sync(this);return true" shape="rect">See international mobile user number</a></p>
</div>


<a name="p2xhtm-repid-7826" shape="rect"></a>
<div class="topic">
<h3>IN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04842#id04842" onclick="sync(this);return true" shape="rect">See intelligent network</a></p>
</div>


<a name="p2xhtm-repid-7827" shape="rect"></a>
<div class="topic">
<h3>IN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05188#id05188" onclick="sync(this);return true" shape="rect">See interrogation node</a></p>
</div>


<a name="p2xhtm-repid-7828" shape="rect"></a>
<div class="topic">
<h3>in advance credit check interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018174#id018174" onclick="sync(this);return true" shape="rect">See IACC interface</a></p>
</div>


<a name="id020346" shape="rect"></a>
<div class="topic">
<h3>IN alarms client; <em>IAC</em></h3>

<p>client application that forwards alarms from intelligent network (IN) elements to the network management system (NMS)</p>
</div>


<a name="p2xhtm-repid-7830" shape="rect"></a>
<div class="topic">
<h3>IN announcement</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015866#id015866" onclick="sync(this);return true" shape="rect">See intelligent network announcement</a></p>
</div>


<a name="id011926" shape="rect"></a>
<div class="topic">
<h3>IN architecture; <em>intelligent network architecture</em></h3>

<p>structure or a plan of an intelligent network (IN) system containing the division into subsystems and further into software and hardware components</p>
</div>


<a name="id010444" shape="rect"></a>
<div class="topic">
<h3>IN call; <em>intelligent network call</em></h3>

<p>call which has a connection to the service control point (SCP)</p>
</div>


<a name="id015947" shape="rect"></a>
<div class="topic">
<h3>IN category key; <em>ICK</em></h3>

<p>set of services allocated to a subscriber who has a specific intelligent network (IN) category set in the home location register (HLR)</p>
</div>


<a name="p2xhtm-repid-7834" shape="rect"></a>
<div class="topic">
<h3>IN CDR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012101#id012101" onclick="sync(this);return true" shape="rect">See IN charging record</a></p>
</div>


<a name="p2xhtm-repid-7835" shape="rect"></a>
<div class="topic">
<h3>IN CDR generation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011928#id011928" onclick="sync(this);return true" shape="rect">See IN charging record generation</a></p>
</div>


<a name="id011927" shape="rect"></a>
<div class="topic">
<h3>IN charging</h3>

<p>charging that is related to IN supported services</p>
</div>


<a name="id012101" shape="rect"></a>
<div class="topic">
<h3>IN charging record; <em>intelligent network CDR</em>; <em>IN-CDR</em>; <em>IN CDR</em></h3>

<p>charging record generated in the service switching point (SSP) of the mobile network</p>
</div>


<a name="id011928" shape="rect"></a>
<div class="topic">
<h3>IN charging record generation; <em>IN CDR generation</em></h3>

<p>forming of charging records (CDR) where the service control point (SCP) sends additional information to the switching centre for inclusion in the CDR</p>
</div>


<a name="id06497" shape="rect"></a>
<div class="topic">
<h3>IN conceptual model; <em>ICM</em></h3>

<p>planning model used for defining the intelligent network architecture. It consists of a four plane stack (that is service plane, global functional plane, distributed functional plane, and physical plane) with a fifth plane orthogonal to the stack (that is the co-ordination plane)</p>
</div>


<a name="id020343" shape="rect"></a>
<div class="topic">
<h3>IN database</h3>

<p>database that is the main repository for IN service and subscriber data</p>
</div>


<a name="p2xhtm-repid-7841" shape="rect"></a>
<div class="topic">
<h3>IN distributed functional plane</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05455#id05455" onclick="sync(this);return true" shape="rect">See distributed functional plane</a></p>
</div>


<a name="id06771" shape="rect"></a>
<div class="topic">
<h3>IN feature; <em>service feature</em></h3>

<p>reusable part of one or more service capabilities forming all or part of a telecommunication service</p>
</div>


<a name="p2xhtm-repid-7843" shape="rect"></a>
<div class="topic">
<h3>IN follow-on call</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06809#id06809" onclick="sync(this);return true" shape="rect">See IN sequence call</a></p>
</div>


<a name="p2xhtm-repid-7844" shape="rect"></a>
<div class="topic">
<h3>IN global functional plane</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05470#id05470" onclick="sync(this);return true" shape="rect">See global functional plane</a></p>
</div>


<a name="p2xhtm-repid-7845" shape="rect"></a>
<div class="topic">
<h3>IN mobility management</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09109#id09109" onclick="sync(this);return true" shape="rect">See intelligent network mobility management</a></p>
</div>


<a name="id05466" shape="rect"></a>
<div class="topic">
<h3>IN network management</h3>

<p>activity to support the proper operation of an IN-structured network</p>
</div>


<a name="id04153" shape="rect"></a>
<div class="topic">
<h3>IN parameter</h3>

<p>formal parameter attribute denoting the case when a value is passed to a procedure via an actual parameter</p>
</div>


<a name="p2xhtm-repid-7848" shape="rect"></a>
<div class="topic">
<h3>IN physical plane</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05467#id05467" onclick="sync(this);return true" shape="rect">See physical plane</a></p>
</div>


<a name="id06809" shape="rect"></a>
<div class="topic">
<h3>IN sequence call; <em>IN follow-on call</em></h3>

<p>when using a card, subsequent calls can be made without revalidation</p>
</div>


<a name="p2xhtm-repid-7850" shape="rect"></a>
<div class="topic">
<h3>IN service</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06770#id06770" onclick="sync(this);return true" shape="rect">See IN-supported service</a></p>
</div>


<a name="id08744" shape="rect"></a>
<div class="topic">
<h3>IN service gapping measurement; <em>field reporting of IN service gapping</em></h3>

<p>part of field reporting that produces a report of the IN service requests which were lost based on the restrictions defined for a particular destination</p>
</div>


<a name="id05468" shape="rect"></a>
<div class="topic">
<h3>IN service management; <em>service management</em></h3>

<p>service management of IN supported services that consists of the operations done by the service provider for the management of service and subscriber data required for the proper operation of a service</p>
</div>


<a name="p2xhtm-repid-7853" shape="rect"></a>
<div class="topic">
<h3>IN service plane</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05469#id05469" onclick="sync(this);return true" shape="rect">See service plane</a></p>
</div>


<a name="p2xhtm-repid-7854" shape="rect"></a>
<div class="topic">
<h3>IN supplementary service management</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09110#id09110" onclick="sync(this);return true" shape="rect">See intelligent network supplementary service management</a></p>
</div>


<a name="id011929" shape="rect"></a>
<div class="topic">
<h3>IN system; <em>intelligent network system</em>; <em>INS</em></h3>

<p>grouping of the IN network elements organised for carrying out the intelligent network functions</p>
</div>


<a name="p2xhtm-repid-7856" shape="rect"></a>
<div class="topic">
<h3>in test</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02859#id02859" onclick="sync(this);return true" shape="rect">See test</a></p>
</div>


<a name="p2xhtm-repid-7857" shape="rect"></a>
<div class="topic">
<h3>in-advance credit check</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015677#id015677" onclick="sync(this);return true" shape="rect">See in-advance credit checking</a></p>
</div>


<a name="id015677" shape="rect"></a>
<div class="topic">
<h3>in-advance credit checking; <em>in-advance credit check</em>; <em>IACC</em></h3>

<p>part of prepaid charging in which the charging system checks the subscriber's account balance before delivering the requested service</p>
</div>


<a name="id015679" shape="rect"></a>
<div class="topic">
<h3>in-advance credit deduction</h3>

<p>part of prepaid charging in which the charging system withdraws money from the account</p>
</div>


<a name="id015678" shape="rect"></a>
<div class="topic">
<h3>in-advance credit reservation</h3>

<p>part of prepaid charging in which the charging system reserves money from the account</p>
</div>


<a name="p2xhtm-repid-7861" shape="rect"></a>
<div class="topic">
<h3>in-band signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03401#id03401" onclick="sync(this);return true" shape="rect">See in-band signalling</a></p>
</div>


<a name="id03401" shape="rect"></a>
<div class="topic">
<h3>in-band signalling; <em>in-band signaling /US/</em></h3>

<p>signalling method in which signals are sent over the same transmission channel or circuit as the user's communication and in the same frequency band as that provided for the users</p>
</div>


<a name="p2xhtm-repid-7863" shape="rect"></a>
<div class="topic">
<h3>in-call advice of charge</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07316#id07316" onclick="sync(this);return true" shape="rect">See advice of charge during the call</a></p>
</div>


<a name="p2xhtm-repid-7864" shape="rect"></a>
<div class="topic">
<h3>in-call modification</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0634#id0634" onclick="sync(this);return true" shape="rect">See in-call rearrangement</a></p>
</div>


<a name="id0634" shape="rect"></a>
<div class="topic">
<h3>in-call rearrangement; <em>in-call modification</em>; <em>ICM</em></h3>

<p>reassignment of the switched path of an in-call during the call</p>
</div>


<a name="p2xhtm-repid-7866" shape="rect"></a>
<div class="topic">
<h3>IN-CDR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012101#id012101" onclick="sync(this);return true" shape="rect">See IN charging record</a></p>
</div>


<a name="id018290" shape="rect"></a>
<div class="topic">
<h3>in-contract traffic</h3>

<p>amount of traffic sent within the limits of a subscriber's traffic contract</p>
</div>


<a name="p2xhtm-repid-7868" shape="rect"></a>
<div class="topic">
<h3>in-dialing number /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04602#id04602" onclick="sync(this);return true" shape="rect">See direct dialling-in number</a></p>
</div>


<a name="p2xhtm-repid-7869" shape="rect"></a>
<div class="topic">
<h3>in-dialling number</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04602#id04602" onclick="sync(this);return true" shape="rect">See direct dialling-in number</a></p>
</div>


<a name="p2xhtm-repid-7870" shape="rect"></a>
<div class="topic">
<h3>in-fill site</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013827#id013827" onclick="sync(this);return true" shape="rect">See fill-in site</a></p>
</div>


<a name="id013108" shape="rect"></a>
<div class="topic">
<h3>IN-like service</h3>

<p>service which utilises mechanisms similar to an ordinary IN supported service except that the service control function resides in the service switching point in an external device accessed through a non-IN supported protocol</p>
</div>


<a name="id020803" shape="rect"></a>
<div class="topic">
<h3>in-memory cache</h3>

<p>part of the cache that stores data in the main memory</p>
</div>


<a name="id015918" shape="rect"></a>
<div class="topic">
<h3>in-memory compression</h3>

<p>feature which offers a service enabling the data, which is written by the applications to a logical file, to be compressed directly in memory, and the compressed data to be stored to a group of disk files</p>
</div>


<a name="id014574" shape="rect"></a>
<div class="topic">
<h3>in-memory database; <em>IMDB</em></h3>

<p>database that resides in the main physical memory enabling fast read access</p>
</div>


<a name="id018278" shape="rect"></a>
<div class="topic">
<h3>in-profile packet</h3>

<p>packet conforming to the rules set by a traffic conditioner in differentiated service (DS)</p>
</div>


<a name="p2xhtm-repid-7876" shape="rect"></a>
<div class="topic">
<h3>in-slot signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011#id011" onclick="sync(this);return true" shape="rect">See in-slot signalling</a></p>
</div>


<a name="id011" shape="rect"></a>
<div class="topic">
<h3>in-slot signalling; <em>in-slot signaling /US/</em></h3>

<p>channel associated signalling that is transmitted in a digit time-slot permanently or periodically allocated in the channel time slot</p>
</div>


<a name="id06770" shape="rect"></a>
<div class="topic">
<h3>IN-supported service; <em>IN service</em></h3>

<p>service provided using the capabilities of the intelligent network</p>
</div>


<a name="p2xhtm-repid-7879" shape="rect"></a>
<div class="topic">
<h3>in-tray</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010734#id010734" onclick="sync(this);return true" shape="rect">See inbox</a></p>
</div>


<a name="id04152" shape="rect"></a>
<div class="topic">
<h3>IN/OUT parameter</h3>

<p>formal parameter attribute denoting the case when a formal parameter name is used as a synonym for the variable (that is, the actual parameter must be a variable)</p>
</div>


<a name="id01373" shape="rect"></a>
<div class="topic">
<h3>inactive</h3>

<p>signalling link which has been deactivated and cannot therefore carry signalling traffic</p>
</div>


<a name="id016727" shape="rect"></a>
<div class="topic">
<h3>inactive service</h3>

<p>service which has been temporarily disabled by the user</p>
</div>


<a name="p2xhtm-repid-7883" shape="rect"></a>
<div class="topic">
<h3>inactive software build</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09124#id09124" onclick="sync(this);return true" shape="rect">See nonactive software build</a></p>
</div>


<a name="p2xhtm-repid-7884" shape="rect"></a>
<div class="topic">
<h3>inactive SW build</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09124#id09124" onclick="sync(this);return true" shape="rect">See nonactive software build</a></p>
</div>


<a name="id020201" shape="rect"></a>
<div class="topic">
<h3>inactivity test</h3>

<p>message which is used in the signalling connection control part (SCCP) connection-oriented service to check if the signalling connection is active at both ends and to audit the consistency of connection data at both ends</p>
</div>


<a name="p2xhtm-repid-7886" shape="rect"></a>
<div class="topic">
<h3>INAP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06772#id06772" onclick="sync(this);return true" shape="rect">See intelligent network application protocol</a></p>
</div>


<a name="p2xhtm-repid-7887" shape="rect"></a>
<div class="topic">
<h3>InATMARP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014809#id014809" onclick="sync(this);return true" shape="rect">See inverse ATM address resolution protocol</a></p>
</div>


<a name="id018594" shape="rect"></a>
<div class="topic">
<h3>inbound conversion</h3>

<p>process that modifies an e-mail in order to adapt to multimedia terminal capabilities</p>
</div>


<a name="id010734" shape="rect"></a>
<div class="topic">
<h3>inbox; <em>in-tray</em></h3>

<p>mailbox where the program stores incoming messages</p>
</div>


<a name="id04751" shape="rect"></a>
<div class="topic">
<h3>incall modification; <em>call modification</em>; <em>IM</em></h3>

<p>function which enables a user to change within an established (that is, active) call from one type of call characterised by one set of bearer capability, low layer and/or high layer capabilities to another type of call with another set without changing the end-to-end connection</p>
</div>


<a name="id011800" shape="rect"></a>
<div class="topic">
<h3>inclusive restriction</h3>

<p>restriction type determining that only the users for whom the allowed parameter, or attribute type values of a restricted operation have been defined, have a user-specific restriction for the restricted operation in question</p>
</div>


<a name="p2xhtm-repid-7892" shape="rect"></a>
<div class="topic">
<h3>incoming</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0770#id0770" onclick="sync(this);return true" shape="rect">See incoming call</a></p>
</div>


<a name="p2xhtm-repid-7893" shape="rect"></a>
<div class="topic">
<h3>incoming access</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05572#id05572" onclick="sync(this);return true" shape="rect">See CUG with incoming access</a></p>
</div>


<a name="id09108" shape="rect"></a>
<div class="topic">
<h3>incoming accounting zone; <em>second additional charging zone</em>; <em>IAZ</em></h3>

<p>charging zone which is used for incoming calls to the mobile services switching centre (MSC)</p>
</div>


<a name="id019060" shape="rect"></a>
<div class="topic">
<h3>incoming adjacency plan</h3>

<p>plan for updating the adjacency data in the cells after a change in the network, such as a re-hosting operation</p>
</div>


<a name="id0772" shape="rect"></a>
<div class="topic">
<h3>incoming bundle</h3>

<p>bundle which transmits incoming traffic of the exchange considered</p>
</div>


<a name="id0770" shape="rect"></a>
<div class="topic">
<h3>incoming call; <em>incoming</em>; <em>incoming conversation</em></h3>

<p>single call in incoming traffic</p>
</div>


<a name="id02254" shape="rect"></a>
<div class="topic">
<h3>incoming call barring; <em>barring of incoming calls</em>; <em>restriction of incoming calls</em>; <em>ICB</em>; <em>BIC</em></h3>

<p>service which enables a user to prevent all or certain incoming calls</p>
</div>


<a name="p2xhtm-repid-7899" shape="rect"></a>
<div class="topic">
<h3>incoming call barring, administration registration, subscriber controlled</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04984#id04984" onclick="sync(this);return true" shape="rect">See barring of all incoming calls</a></p>
</div>


<a name="id08528" shape="rect"></a>
<div class="topic">
<h3>incoming call control; <em>ICC</em></h3>

<p>functions attending to set-up and supervision of incoming call and the control of subscriber facilities, supplementary services, and gathering of charging data and gathering of statistical data</p>
</div>


<a name="id014023" shape="rect"></a>
<div class="topic">
<h3>incoming call gateway; <em>ICGW</em></h3>

<p>gateway which acts as the first entry point and performs routing of incoming calls</p>
</div>


<a name="id05574" shape="rect"></a>
<div class="topic">
<h3>incoming calls barred within a CUG; <em>icb</em>; <em>ICB</em></h3>

<p>access restriction that prevents a CUG member from receiving calls from other members of that group</p>
</div>


<a name="id0774" shape="rect"></a>
<div class="topic">
<h3>incoming circuit group</h3>

<p>circuit group transferring the incoming traffic to an exchange concerned. Circuits of a certain incoming circuit group make use of the same type of register signalling</p>
</div>


<a name="id029" shape="rect"></a>
<div class="topic">
<h3>incoming circuit group origin; <em>origin</em>; <em>characteristics of the incoming circuit group</em></h3>

<p>data which identifies the circuit group which transfers incoming data to the exchange</p>
</div>


<a name="p2xhtm-repid-7905" shape="rect"></a>
<div class="topic">
<h3>incoming conversation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0770#id0770" onclick="sync(this);return true" shape="rect">See incoming call</a></p>
</div>


<a name="id0773" shape="rect"></a>
<div class="topic">
<h3>incoming destination; <em>incoming direction</em></h3>

<p>circuit groups via which the traffic comes from another exchange or from the subscriber stage or station of the exchange concerned</p>
</div>


<a name="p2xhtm-repid-7907" shape="rect"></a>
<div class="topic">
<h3>incoming direction</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0773#id0773" onclick="sync(this);return true" shape="rect">See incoming destination</a></p>
</div>


<a name="id013109" shape="rect"></a>
<div class="topic">
<h3>incoming echo canceller; <em>IEC</em></h3>

<p>echo canceller at the public switched telephone network (PSTN) interface</p>
</div>


<a name="id013110" shape="rect"></a>
<div class="topic">
<h3>incoming exchange</h3>

<p>exchange which is the nearest to the called subscriber and which connects a loop to the circuit</p>
</div>


<a name="id019984" shape="rect"></a>
<div class="topic">
<h3>incoming one-to-one call tone</h3>

<p>audible indication that the terminal gives to the user when voice transmission continues after a period of inactivity in the communication, or when the communication party changes during a one-to-one call</p>
</div>


<a name="id05264" shape="rect"></a>
<div class="topic">
<h3>incoming queue length</h3>

<p>number of calls waiting for the ticket from the access window</p>
</div>


<a name="id08825" shape="rect"></a>
<div class="topic">
<h3>incoming signalling; <em>SSI</em></h3>

<p>external signalling arriving to an exchange, to a part of an exchange or to an analysis</p>
</div>


<a name="id016940" shape="rect"></a>
<div class="topic">
<h3>incoming state model; <em>I-SM</em></h3>

<p>state model instance which handles the requests and responses related to the calling subscriber</p>
</div>


<a name="id0769" shape="rect"></a>
<div class="topic">
<h3>incoming traffic</h3>

<p>traffic entering the exchange concerned, generated by another exchange</p>
</div>


<a name="id016941" shape="rect"></a>
<div class="topic">
<h3>incoming traffic treatment; <em>ITT</em></h3>

<p>set of terminating services of the called subscriber of the session, who can define personalised treatment based on the calling subscriber</p>
</div>


<a name="id016986" shape="rect"></a>
<div class="topic">
<h3>incoming transaction</h3>

<p>transaction initiated by an incoming request, created independently by the session initiation protocol (SIP) stack</p>
</div>


<a name="id011045" shape="rect"></a>
<div class="topic">
<h3>incoming transaction request</h3>

<p>transaction request which arrives to a signalling unit from another network element, PABX, or a subscriber line</p>
</div>


<a name="id07243" shape="rect"></a>
<div class="topic">
<h3>incomplete command</h3>

<p>MML command which lacks the end character specified for it</p>
</div>


<a name="id04302" shape="rect"></a>
<div class="topic">
<h3>inconsistent</h3>

<p>not compliant with consistency requirements</p>
</div>


<a name="id0268" shape="rect"></a>
<div class="topic">
<h3>incrementation</h3>

<p>increasing a number by one unit</p>
</div>


<a name="id09040" shape="rect"></a>
<div class="topic">
<h3>incumbent network operator; <em>incumbent operator</em>; <em>established network operator</em>; <em>established operator</em></h3>

<p>network operator that is the dominant or predominant network access provider in its area of operation</p>
</div>


<a name="p2xhtm-repid-7922" shape="rect"></a>
<div class="topic">
<h3>incumbent operator</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09040#id09040" onclick="sync(this);return true" shape="rect">See incumbent network operator</a></p>
</div>


<a name="p2xhtm-repid-7923" shape="rect"></a>
<div class="topic">
<h3>independent network element</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016088#id016088" onclick="sync(this);return true" shape="rect">See stand-alone network element</a></p>
</div>


<a name="id010844" shape="rect"></a>
<div class="topic">
<h3>independent software vendor; <em>ISV</em></h3>

<p>supplier that is an independent developer and reseller of products based on particular computer hardware or operating system platforms</p>
</div>


<a name="id013755" shape="rect"></a>
<div class="topic">
<h3>independent transmit clock configuration; <em>ITC</em></h3>

<p>configuration in which at least one link within the IMA group has a transmit clock that is derived from a different clock source than the transmit clocks in the other transmit links</p>
</div>


<a name="p2xhtm-repid-7926" shape="rect"></a>
<div class="topic">
<h3>index of refraction</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06300#id06300" onclick="sync(this);return true" shape="rect">See refractive index</a></p>
</div>


<a name="id02407" shape="rect"></a>
<div class="topic">
<h3>index register</h3>

<p>register whose content is summed up with the address part of an instruction</p>
</div>


<a name="p2xhtm-repid-7928" shape="rect"></a>
<div class="topic">
<h3>indication of charge</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08652#id08652" onclick="sync(this);return true" shape="rect">See charge indication</a></p>
</div>


<a name="id03878" shape="rect"></a>
<div class="topic">
<h3>indication primitive</h3>

<p>primitive type used by a layer providing a service to notify the next higher layer of any specific activity which is service related</p>
</div>


<a name="id0981" shape="rect"></a>
<div class="topic">
<h3>indirect address; <em>multilevel address</em></h3>

<p>address that designates the memory location of an item of data to be treated as the address of an operand but not necessarily as its direct address</p>
</div>


<a name="id0148" shape="rect"></a>
<div class="topic">
<h3>indirect addressing</h3>

<p>addressing of a memory space which contains either a direct address or another indirect address</p>
</div>


<a name="id013111" shape="rect"></a>
<div class="topic">
<h3>indirect routing</h3>

<p>routing in which the calls are routed via the number range owner's network to the ported subscriber's subscription network</p>
</div>


<a name="id07903" shape="rect"></a>
<div class="topic">
<h3>individual address</h3>

<p>physical computer address acknowledged by only one computer</p>
</div>


<a name="id06330" shape="rect"></a>
<div class="topic">
<h3>individual call; <em>IC</em></h3>

<p>call where two parties are connected</p>
</div>


<a name="id08234" shape="rect"></a>
<div class="topic">
<h3>individual hunting</h3>

<p>call to a member of the hunting group, to whom line hunting and the hunting method have been defined</p>
</div>


<a name="p2xhtm-repid-7936" shape="rect"></a>
<div class="topic">
<h3>individual mode</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017033#id017033" onclick="sync(this);return true" shape="rect">See individual service mode</a></p>
</div>


<a name="id010775" shape="rect"></a>
<div class="topic">
<h3>individual pick-up</h3>

<p>pick-up service which enables a subscriber to pick up calls from other extensions that belong to the same centrex group</p>
</div>


<a name="id017033" shape="rect"></a>
<div class="topic">
<h3>individual service mode; <em>individual mode</em></h3>

<p>usage mode of the servlet SLEE in which a user can use services from the script SLEE and the servlet SLEE and the SIP subscription profile defines the running order of the services</p>
</div>


<a name="id07423" shape="rect"></a>
<div class="topic">
<h3>indoor unit; <em>radio indoor unit</em>; <em>IU</em></h3>

<p>piece of radio relay equipment which is installed indoors and usually contains the baseband parts</p>
</div>


<a name="id020719" shape="rect"></a>
<div class="topic">
<h3>Industry Consortium adaptation function; <em>Industry Specification adaptation function</em>; <em>ISAF</em></h3>

<p>set of software components for mapping interfaces which enables the use of Industry Specification compatible terminals with PoC servers</p>
</div>


<a name="id020703" shape="rect"></a>
<div class="topic">
<h3>Industry Consortium client interface; <em>Industry Specification client interface</em>; <em>IS client interface</em>; <em>IS client-server interface</em></h3>

<p>PoC client interface between a PoC call processor and PoC terminals that the network operators can use to provide PoC services to the users</p>
</div>


<a name="p2xhtm-repid-7942" shape="rect"></a>
<div class="topic">
<h3>Industry Specification adaptation function</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020719#id020719" onclick="sync(this);return true" shape="rect">See Industry Consortium adaptation function</a></p>
</div>


<a name="p2xhtm-repid-7943" shape="rect"></a>
<div class="topic">
<h3>Industry Specification client interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020703#id020703" onclick="sync(this);return true" shape="rect">See Industry Consortium client interface</a></p>
</div>


<a name="p2xhtm-repid-7944" shape="rect"></a>
<div class="topic">
<h3>INF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012270#id012270" onclick="sync(this);return true" shape="rect">See information message</a></p>
</div>


<a name="id05687" shape="rect"></a>
<div class="topic">
<h3>infill channel</h3>

<p>additional traffic channel which can be used on a site at low transmitter power</p>
</div>


<a name="id016467" shape="rect"></a>
<div class="topic">
<h3>InfiniBand; <em>IB</em></h3>

<p>architecture and specification for data flow between processors and I/O devices that aims to provide high bandwidth and almost unlimited expandability in computer systems</p>
</div>


<a name="id07118" shape="rect"></a>
<div class="topic">
<h3>information</h3>

<p>intelligence or knowledge capable of being represented in forms suitable for communications, storage or processing</p>
</div>


<a name="id021144" shape="rect"></a>
<div class="topic">
<h3>information and communication service provider</h3>

<p>service provider that sells information and/or communications services to other parties</p>
</div>


<a name="p2xhtm-repid-7949" shape="rect"></a>
<div class="topic">
<h3>information architecture</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05293#id05293" onclick="sync(this);return true" shape="rect">See TMN information architecture</a></p>
</div>


<a name="p2xhtm-repid-7950" shape="rect"></a>
<div class="topic">
<h3>information bit</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06749#id06749" onclick="sync(this);return true" shape="rect">See data bit</a></p>
</div>


<a name="id05275" shape="rect"></a>
<div class="topic">
<h3>information conversion function; <em>ICF</em></h3>

<p>functional component of MF used in intermediate systems to translate the information model at one interface into the information model at the other interface</p>
</div>


<a name="id011429" shape="rect"></a>
<div class="topic">
<h3>information data rate</h3>

<p>rate for the transmission of user information over the radio interface</p>
</div>


<a name="id010438" shape="rect"></a>
<div class="topic">
<h3>information database</h3>

<p>database which is invocated as an optional feature, containing information on the status of telecommunications traffic</p>
</div>


<a name="id05910" shape="rect"></a>
<div class="topic">
<h3>information element; <em>IE</em></h3>

<p>basic unit of a transaction capabilities application part (TCAP) message</p>
</div>


<a name="id011237" shape="rect"></a>
<div class="topic">
<h3>information element identifier; <em>IEI</em></h3>

<p>field in an information element (IE) enabling the receiving equipment to detect the presence or absence of a particular information element without scanning through an entire message</p>
</div>


<a name="id06492" shape="rect"></a>
<div class="topic">
<h3>information flow; <em>IF</em></h3>

<p>interaction between a communicating pair of functional entities</p>
</div>


<a name="id011296" shape="rect"></a>
<div class="topic">
<h3>information frame; <em>I frame</em>; <em>I</em></h3>

<p>frame used for confirmed information transfer</p>
</div>


<a name="id07364" shape="rect"></a>
<div class="topic">
<h3>information hiding</h3>

<p>technique of encapsulating software implementations in modules in such a way that it allows the user only the information that is in the module's interface specification and makes each module a "black box" in relation to other modules in the system</p>
</div>


<a name="id012269" shape="rect"></a>
<div class="topic">
<h3>information indicator</h3>

<p>signalling parameter which identifies the optional parameters included in a message</p>
</div>


<a name="id014998" shape="rect"></a>
<div class="topic">
<h3>information management system; <em>IMS</em></h3>

<p>management system that allows access to data by providing for the arrangement of data in a hierarchical structure</p>
</div>


<a name="id012270" shape="rect"></a>
<div class="topic">
<h3>information message; <em>INF</em></h3>

<p>signalling message which conveys information in association with a call as a response to an information request message</p>
</div>


<a name="id06448" shape="rect"></a>
<div class="topic">
<h3>information model</h3>

<p>abstraction of a common understanding of the information about which communication can take place between two communicating entities, represented as objects and their behaviour, characteristics and relationships</p>
</div>


<a name="id08283" shape="rect"></a>
<div class="topic">
<h3>information network</h3>

<p>combination of services offered by computers and data transmission connections between computers</p>
</div>


<a name="p2xhtm-repid-7964" shape="rect"></a>
<div class="topic">
<h3>information payload</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06546#id06546" onclick="sync(this);return true" shape="rect">See payload</a></p>
</div>


<a name="id04652" shape="rect"></a>
<div class="topic">
<h3>information payload capacity</h3>

<p>difference between the interface rate and the overhead rate, that is the bit rate of the information payload</p>
</div>


<a name="id010671" shape="rect"></a>
<div class="topic">
<h3>information provider</h3>

<p>provider of the information available in an information service, for example in the web</p>
</div>


<a name="id012271" shape="rect"></a>
<div class="topic">
<h3>information request indicator</h3>

<p>signalling parameter which identifies the optional parameters requested in a message</p>
</div>


<a name="id012272" shape="rect"></a>
<div class="topic">
<h3>information request message; <em>INR</em></h3>

<p>signalling message which the exchange sends to request information in association with a call</p>
</div>


<a name="p2xhtm-repid-7969" shape="rect"></a>
<div class="topic">
<h3>information risk</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06903#id06903" onclick="sync(this);return true" shape="rect">See data risk</a></p>
</div>


<a name="p2xhtm-repid-7970" shape="rect"></a>
<div class="topic">
<h3>information risk</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07357#id07357" onclick="sync(this);return true" shape="rect">See data risk</a></p>
</div>


<a name="id0267" shape="rect"></a>
<div class="topic">
<h3>information route</h3>

<p>one-way outgoing circuit group which is used for transmission of verbal announcements to subscribers</p>
</div>


<a name="p2xhtm-repid-7972" shape="rect"></a>
<div class="topic">
<h3>information security</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07358#id07358" onclick="sync(this);return true" shape="rect">See data security</a></p>
</div>


<a name="id07366" shape="rect"></a>
<div class="topic">
<h3>information security; <em>information security measures</em></h3>

<p>means for minimising information risks</p>
</div>


<a name="id07381" shape="rect"></a>
<div class="topic">
<h3>information security</h3>

<p>sector of information security dealing with data risks</p>
</div>


<a name="p2xhtm-repid-7975" shape="rect"></a>
<div class="topic">
<h3>information security measures</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07366#id07366" onclick="sync(this);return true" shape="rect">See information security</a></p>
</div>


<a name="id07365" shape="rect"></a>
<div class="topic">
<h3>information security mechanisms</h3>

<p>set of functions for the implementation of information security services in order to guarantee information security</p>
</div>


<a name="id07386" shape="rect"></a>
<div class="topic">
<h3>information security policy</h3>

<p>principles and procedures according to which the information security of a system is guaranteed</p>
</div>


<a name="id07367" shape="rect"></a>
<div class="topic">
<h3>information security service</h3>

<p>service that provides information security</p>
</div>


<a name="id010672" shape="rect"></a>
<div class="topic">
<h3>information service</h3>

<p>service which provides information to the parties requesting it using, for example, information retrieval, libraries, or experts</p>
</div>


<a name="id010673" shape="rect"></a>
<div class="topic">
<h3>information society</h3>

<p>name for a society in which information technology is widely used and the information industry is significant in the national economy</p>
</div>


<a name="id016870" shape="rect"></a>
<div class="topic">
<h3>information system; <em>IS</em></h3>

<p>network of all communication methods within an organisation</p>
</div>


<a name="p2xhtm-repid-7982" shape="rect"></a>
<div class="topic">
<h3>information tone</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02238#id02238" onclick="sync(this);return true" shape="rect">See special information tone</a></p>
</div>


<a name="id011576" shape="rect"></a>
<div class="topic">
<h3>informing delay</h3>

<p>part of alarm correlation where the alarm will not be shown in the alarm monitoring applications if the alarm is cancelled before a specified time has passed</p>
</div>


<a name="id07311" shape="rect"></a>
<div class="topic">
<h3>informing rule</h3>

<p>rule which determines the program blocks and computer units which are informed of notices, observation hypotheses or fault hypotheses</p>
</div>


<a name="id015574" shape="rect"></a>
<div class="topic">
<h3>infoware system; <em>IWS</em></h3>

<p>online information service for the 3G network management system (NMS), providing the applications with access to the information it contains</p>
</div>


<a name="id013912" shape="rect"></a>
<div class="topic">
<h3>infrastructure network</h3>

<p>in a wireless data network, a network architecture with which the users can set up a network where wireless stations communicate with wired and wireless stations through an access point</p>
</div>


<a name="p2xhtm-repid-7987" shape="rect"></a>
<div class="topic">
<h3>ingress</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09727#id09727" onclick="sync(this);return true" shape="rect">See ingress direction</a></p>
</div>


<a name="id09727" shape="rect"></a>
<div class="topic">
<h3>ingress direction; <em>ingress</em></h3>

<p>traffic direction into a network element</p>
</div>


<a name="id018279" shape="rect"></a>
<div class="topic">
<h3>ingress node</h3>

<p>node that contains a collection of functions needed to handle incoming traffic streams to a differentiated service (DS) domain</p>
</div>


<a name="id05370" shape="rect"></a>
<div class="topic">
<h3>inheritance</h3>

<p>conceptual mechanism by which attributes, notifications, operations and behaviour are acquired by a subclass from its superclass</p>
</div>


<a name="id05371" shape="rect"></a>
<div class="topic">
<h3>inheritance hierarchy</h3>

<p>hierarchical arrangement of managed object classes where the hierarchy is organised on the basis of class refinement. A managed object class which is derived from another managed object class is lower in the hierarchy than the class from which it is derived</p>
</div>


<a name="id012894" shape="rect"></a>
<div class="topic">
<h3>inhibition of forwarded calls</h3>

<p>service which allows a user to prevent the connection of forwarded calls</p>
</div>


<a name="p2xhtm-repid-7993" shape="rect"></a>
<div class="topic">
<h3>INIT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018557#id018557" onclick="sync(this);return true" shape="rect">See initiation</a></p>
</div>


<a name="p2xhtm-repid-7994" shape="rect"></a>
<div class="topic">
<h3>INIT ACK</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018558#id018558" onclick="sync(this);return true" shape="rect">See initiation acknowledgement</a></p>
</div>


<a name="id03964" shape="rect"></a>
<div class="topic">
<h3>initial address message; <em>IAM</em></h3>

<p>signalling message sent in the forward direction to initiate seizure of an outgoing circuit and to transmit number and other information relating to the routing and handling of a call</p>
</div>


<a name="id02899" shape="rect"></a>
<div class="topic">
<h3>initial alignment</h3>

<p>procedure by which a signalling link becomes able to carry signalling traffic either for the first time or after a failure has occurred</p>
</div>


<a name="p2xhtm-repid-7997" shape="rect"></a>
<div class="topic">
<h3>initial build</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011238#id011238" onclick="sync(this);return true" shape="rect">See initial software build</a></p>
</div>


<a name="id08076" shape="rect"></a>
<div class="topic">
<h3>initial cell selection</h3>

<p>act of choosing a first serving cell to register in</p>
</div>


<a name="id017134" shape="rect"></a>
<div class="topic">
<h3>initial contact notification</h3>

<p>Internet key exchange (IKE) message sent to indicate that the sender does not have any previous Internet security association and key management protocol (ISAKMP) security associations (SA) or Internet protocol security (IPSEC) SAs</p>
</div>


<a name="id010439" shape="rect"></a>
<div class="topic">
<h3>initial detection point; <em>IDP</em></h3>

<p>detection point that triggers a dialogue between the service switching point (SSP) and the service control function (SCF)</p>
</div>


<a name="id05806" shape="rect"></a>
<div class="topic">
<h3>initial domain identifier; <em>IDI</em></h3>

<p>part of the initial domain part (IDP) of the NSAP address containing, for example, an E.164 or an X.121 number</p>
</div>


<a name="id05807" shape="rect"></a>
<div class="topic">
<h3>initial domain part; <em>IDP</em></h3>

<p>part of the NSAP address which contains all the internationally standardised parts</p>
</div>


<a name="id08049" shape="rect"></a>
<div class="topic">
<h3>initial domain part; <em>IDP</em></h3>

<p>start of the NSAP address, which indicates the country or organisation in which the operator in question operates</p>
</div>


<a name="id010440" shape="rect"></a>
<div class="topic">
<h3>initial DP operation; <em>IDP</em></h3>

<p>operation that the service control point (SCP) uses to sent a request to the service control function (SCF) for instructions to complete the call</p>
</div>


<a name="id017051" shape="rect"></a>
<div class="topic">
<h3>initial filter criteria; <em>iFC</em></h3>

<p>filter criteria that are stored in the home subscriber server (HSS) as part of the user profile and downloaded to the serving call state control function (S-CSCF) upon user registration</p>
</div>


<a name="id05493" shape="rect"></a>
<div class="topic">
<h3>initial loading</h3>

<p>loading of the program code and some parameter files at the start-up of a computer or an exchange</p>
</div>


<a name="id011046" shape="rect"></a>
<div class="topic">
<h3>initial loading source</h3>

<p>physical place which is the loading source for the initial loading</p>
</div>


<a name="id016730" shape="rect"></a>
<div class="topic">
<h3>initial location</h3>

<p>geographic location from where the emergency service user makes the emergency call</p>
</div>


<a name="id011430" shape="rect"></a>
<div class="topic">
<h3>initial paging information</h3>

<p>information that indicates if the mobile station needs to continue to read more paging information and eventually to receive a paging message</p>
</div>


<a name="id011431" shape="rect"></a>
<div class="topic">
<h3>initial paging occasion</h3>

<p>paging occasion that the mobile station uses as a starting point for its discontinuous reception (DRX) cycle</p>
</div>


<a name="p2xhtm-repid-8011" shape="rect"></a>
<div class="topic">
<h3>initial program load</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07627#id07627" onclick="sync(this);return true" shape="rect">See boot</a></p>
</div>


<a name="id010776" shape="rect"></a>
<div class="topic">
<h3>initial service request message; <em>ISRM</em></h3>

<p>DPNSS 1 message used to establish a new call across the network</p>
</div>


<a name="id011238" shape="rect"></a>
<div class="topic">
<h3>initial software build; <em>initial build</em></h3>

<p>software build defined in advance for each BTS site type when creating the software build</p>
</div>


<a name="id09861" shape="rect"></a>
<div class="topic">
<h3>initial thread</h3>

<p>thread that the operating system starts to execute when a new actor is created</p>
</div>


<a name="p2xhtm-repid-8015" shape="rect"></a>
<div class="topic">
<h3>initial UE message</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014811#id014811" onclick="sync(this);return true" shape="rect">See initial UE message procedure</a></p>
</div>


<a name="id014811" shape="rect"></a>
<div class="topic">
<h3>initial UE message procedure; <em>initial UE message</em></h3>

<p>elementary procedure for establishing an Iu signalling connection between the core network (CN) domain and the radio network controller (RNC), and for transferring the initial non-access stratum protocol data unit (NAS-PDU) to the CN</p>
</div>


<a name="p2xhtm-repid-8017" shape="rect"></a>
<div class="topic">
<h3>InitialDPSMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016033#id016033" onclick="sync(this);return true" shape="rect">See InitialDPSMS procedure</a></p>
</div>


<a name="id016033" shape="rect"></a>
<div class="topic">
<h3>InitialDPSMS procedure; <em>InitialDPSMS</em>; <em>IDPSMS</em></h3>

<p>operation which is sent by the gsmSSF or gprsSSF after detection of a trigger detection point request (TDP-R) in the finite state model (FSM), to request the gsmSCF for instructions to complete the MO SMS submission</p>
</div>


<a name="p2xhtm-repid-8019" shape="rect"></a>
<div class="topic">
<h3>initialisation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014810#id014810" onclick="sync(this);return true" shape="rect">See initialisation procedure</a></p>
</div>


<a name="id013913" shape="rect"></a>
<div class="topic">
<h3>initialisation error code</h3>

<p>error code which is displayed on the information light emitting diodes (LED) leaving the alert LED on if the initialisation procedure fails</p>
</div>


<a name="id014810" shape="rect"></a>
<div class="topic">
<h3>initialisation procedure; <em>initialisation</em></h3>

<p>procedure for negotiating the Iu user plane (UP) protocol parameters that are used when transferring data between the core network and the radio network controller (RNC)</p>
</div>


<a name="id015154" shape="rect"></a>
<div class="topic">
<h3>initialisation vector; <em>initialization vector /US/</em>; <em>IV</em></h3>

<p>octet string which is used with the block cipher method in chained mode to force an identical plaintext to encrypt to different ciphertexts</p>
</div>


<a name="id034" shape="rect"></a>
<div class="topic">
<h3>initialise; <em>initialize  /US/</em></h3>

<p>give preliminary values to program variables or file data</p>
</div>


<a name="p2xhtm-repid-8024" shape="rect"></a>
<div class="topic">
<h3>initialization vector /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015154#id015154" onclick="sync(this);return true" shape="rect">See initialisation vector</a></p>
</div>


<a name="p2xhtm-repid-8025" shape="rect"></a>
<div class="topic">
<h3>initialize  /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id034#id034" onclick="sync(this);return true" shape="rect">See initialise</a></p>
</div>


<a name="id010441" shape="rect"></a>
<div class="topic">
<h3>InitiateCallAttempt operation; <em>InitiateCallAttempt procedure</em>; <em>ICA</em></h3>

<p>operation which is used to request the service switching function (SSF) to create a new call to a call party using the address information provided by the service control function (SCF) and to create additional call segments</p>
</div>


<a name="p2xhtm-repid-8027" shape="rect"></a>
<div class="topic">
<h3>InitiateCallAttempt procedure</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010441#id010441" onclick="sync(this);return true" shape="rect">See InitiateCallAttempt operation</a></p>
</div>


<a name="id015990" shape="rect"></a>
<div class="topic">
<h3>initiating network</h3>

<p>network which initiates a number portability database (NPDB) query to obtain further routing information on the called directory number (DN)</p>
</div>


<a name="id021172" shape="rect"></a>
<div class="topic">
<h3>initiating object</h3>

<p>in communication, an object that initiates a communication session</p>
</div>


<a name="id018557" shape="rect"></a>
<div class="topic">
<h3>initiation; <em>INIT</em></h3>

<p>data chunk which is used to initiate an SCTP association between two endpoints</p>
</div>


<a name="id018558" shape="rect"></a>
<div class="topic">
<h3>initiation acknowledgement; <em>INIT ACK</em></h3>

<p>data chunk which is used to acknowledge the initiation of an SCTP association</p>
</div>


<a name="p2xhtm-repid-8032" shape="rect"></a>
<div class="topic">
<h3>injection laser diode</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06296#id06296" onclick="sync(this);return true" shape="rect">See semiconductor laser</a></p>
</div>


<a name="p2xhtm-repid-8033" shape="rect"></a>
<div class="topic">
<h3>iNOW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012012#id012012" onclick="sync(this);return true" shape="rect">See interoperability NOW</a></p>
</div>


<a name="id011047" shape="rect"></a>
<div class="topic">
<h3>input</h3>

<p>situation or event initiating the execution of a data processing task</p>
</div>


<a name="id02566" shape="rect"></a>
<div class="topic">
<h3>input</h3>

<p>process that constitutes the introduction of data into a data processing system or any part of it</p>
</div>


<a name="id02632" shape="rect"></a>
<div class="topic">
<h3>input</h3>

<p>consumption of a signal coming from the input port. The signal starts a transition. During the consumption of a signal, the values associated with the signal become available to the process instance</p>
</div>


<a name="p2xhtm-repid-8037" shape="rect"></a>
<div class="topic">
<h3>input data validation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07315#id07315" onclick="sync(this);return true" shape="rect">See input validation</a></p>
</div>


<a name="p2xhtm-repid-8038" shape="rect"></a>
<div class="topic">
<h3>input device</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01895#id01895" onclick="sync(this);return true" shape="rect">See input unit</a></p>
</div>


<a name="id019350" shape="rect"></a>
<div class="topic">
<h3>input filtering</h3>

<p>filtering of the real-time transport protocol (RTP) streams which the group traffic server (GTS) does in order to select only one group member at a time as a talker</p>
</div>


<a name="id08674" shape="rect"></a>
<div class="topic">
<h3>input jitter</h3>

<p>jitter at the input port</p>
</div>


<a name="id020961" shape="rect"></a>
<div class="topic">
<h3>input method editor; <em>input method engine</em>; <em>IME</em></h3>

<p>program which offers the means to use a standard keyboard to input complex characters, such as Chinese, Japanese, and Korean characters</p>
</div>


<a name="p2xhtm-repid-8042" shape="rect"></a>
<div class="topic">
<h3>input method engine</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020961#id020961" onclick="sync(this);return true" shape="rect">See input method editor</a></p>
</div>


<a name="id03299" shape="rect"></a>
<div class="topic">
<h3>input mode</h3>

<p>user command parameter used for choosing the format of information given in a command</p>
</div>


<a name="id011297" shape="rect"></a>
<div class="topic">
<h3>input offset value; <em>IOV value</em>; <em>IOV</em></h3>

<p>default value used for ciphering which is expressed as a random 32 bit value generated by the serving GPRS support node (SGSN) and transferred to the mobile station using the LLC frame exchange identity (XID)</p>
</div>


<a name="id011298" shape="rect"></a>
<div class="topic">
<h3>input offset value for I-frames; <em>input offset value for information frames</em>; <em>IOV-I</em></h3>

<p>random input offset value which is negotiated if asynchronous balanced mode (ABM) is re-established for a logical link entity (LLE), and ciphering key Kc is not changed since ABM was last established for this LLE</p>
</div>


<a name="p2xhtm-repid-8046" shape="rect"></a>
<div class="topic">
<h3>input offset value for information frames</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011298#id011298" onclick="sync(this);return true" shape="rect">See input offset value for I-frames</a></p>
</div>


<a name="id011299" shape="rect"></a>
<div class="topic">
<h3>input offset value for UI-frames; <em>input offset value for unnumbered information frames</em>; <em>IOV-UI</em></h3>

<p>random input offset value which is negotiated if the unconfirmed send state variable V(U) is reset for a logical link entity (LLE), and ciphering key Kc is not changed since V(U) was last reset for this LLE</p>
</div>


<a name="p2xhtm-repid-8048" shape="rect"></a>
<div class="topic">
<h3>input offset value for unnumbered information frames</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011299#id011299" onclick="sync(this);return true" shape="rect">See input offset value for UI-frames</a></p>
</div>


<a name="id04150" shape="rect"></a>
<div class="topic">
<h3>input port</h3>

<p>queue which receives and retains signals in the order of arrival until the signals are consumed by an input</p>
</div>


<a name="id019224" shape="rect"></a>
<div class="topic">
<h3>input processor; <em>IP</em></h3>

<p>component that is typically used to process user input</p>
</div>


<a name="id04335" shape="rect"></a>
<div class="topic">
<h3>input synchronism</h3>

<p>state of a process pair where a process and its redundant pair produce the same outputs on the basis of the same inputs</p>
</div>


<a name="id01895" shape="rect"></a>
<div class="topic">
<h3>input unit; <em>input device</em>; <em>IU</em></h3>

<p>device for entering data into a system</p>
</div>


<a name="id07315" shape="rect"></a>
<div class="topic">
<h3>input validation; <em>input data validation</em>; <em>validation</em></h3>

<p>process used to determine if data is accurate, complete and reasonable</p>
</div>


<a name="id01896" shape="rect"></a>
<div class="topic">
<h3>input/output device; <em>I/O-device</em>; <em>input/output unit</em></h3>

<p>device for recording or outputting information</p>
</div>


<a name="p2xhtm-repid-8055" shape="rect"></a>
<div class="topic">
<h3>input/output manager</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010388#id010388" onclick="sync(this);return true" shape="rect">See Chorus I/O manager</a></p>
</div>


<a name="p2xhtm-repid-8056" shape="rect"></a>
<div class="topic">
<h3>input/output unit</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01896#id01896" onclick="sync(this);return true" shape="rect">See input/output device</a></p>
</div>


<a name="p2xhtm-repid-8057" shape="rect"></a>
<div class="topic">
<h3>INR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012272#id012272" onclick="sync(this);return true" shape="rect">See information request message</a></p>
</div>


<a name="p2xhtm-repid-8058" shape="rect"></a>
<div class="topic">
<h3>INS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011929#id011929" onclick="sync(this);return true" shape="rect">See IN system</a></p>
</div>


<a name="id019831" shape="rect"></a>
<div class="topic">
<h3>insertion point</h3>

<p>place, usually indicated by a blinking vertical bar, where typed text or a dragged or pasted selection will be inserted</p>
</div>


<a name="id01492" shape="rect"></a>
<div class="topic">
<h3>installation; <em>installing</em>; <em>mounting</em></h3>

<p>process of placing equipment or software in position, and connecting and adjusting it for use</p>
</div>


<a name="id07680" shape="rect"></a>
<div class="topic">
<h3>installation disk</h3>

<p>disk from which programs are installed</p>
</div>


<a name="id05494" shape="rect"></a>
<div class="topic">
<h3>installation loading</h3>

<p>formatting of the disk units of an exchange to be taken into use, and transfer of load modules to the disks</p>
</div>


<a name="id020975" shape="rect"></a>
<div class="topic">
<h3>installation page</h3>

<p>web page that contains links to software that can be installed in the system</p>
</div>


<a name="id020618" shape="rect"></a>
<div class="topic">
<h3>installation path</h3>

<p>path to a file, which explicitly states the storage location of the file</p>
</div>


<a name="id020987" shape="rect"></a>
<div class="topic">
<h3>installation planning</h3>

<p>planning process during which detailed plans are prepared for each site</p>
</div>


<a name="p2xhtm-repid-8066" shape="rect"></a>
<div class="topic">
<h3>installation program</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07681#id07681" onclick="sync(this);return true" shape="rect">See installation setup program</a></p>
</div>


<a name="id016262" shape="rect"></a>
<div class="topic">
<h3>installation script</h3>

<p>script for commissioning and upgrading a network element and for installing change notes</p>
</div>


<a name="id07681" shape="rect"></a>
<div class="topic">
<h3>installation setup program; <em>installation program</em></h3>

<p>program that carries out installation and the associated settings</p>
</div>


<a name="p2xhtm-repid-8069" shape="rect"></a>
<div class="topic">
<h3>installing</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01492#id01492" onclick="sync(this);return true" shape="rect">See installation</a></p>
</div>


<a name="id04182" shape="rect"></a>
<div class="topic">
<h3>instance</h3>

<p>object which has the properties of a description or a defined type</p>
</div>


<a name="p2xhtm-repid-8071" shape="rect"></a>
<div class="topic">
<h3>instance</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07603#id07603" onclick="sync(this);return true" shape="rect">See document instance</a></p>
</div>


<a name="p2xhtm-repid-8072" shape="rect"></a>
<div class="topic">
<h3>instant group</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020751#id020751" onclick="sync(this);return true" shape="rect">See instant talk group</a></p>
</div>


<a name="id020750" shape="rect"></a>
<div class="topic">
<h3>instant group talk</h3>

<p>feature which enables a user to establish a PoC session with other members in a predefined instant talk group</p>
</div>


<a name="id014470" shape="rect"></a>
<div class="topic">
<h3>instant messaging; <em>IM</em></h3>

<p>service that enables users who subscribe to the service and who are online at the same time to exchange messages via the Internet</p>
</div>


<a name="id020751" shape="rect"></a>
<div class="topic">
<h3>instant talk group; <em>instant group</em></h3>

<p>invite talk group that is formed immediately according to predefined settings when the user presses the push to talk button</p>
</div>


<a name="id04181" shape="rect"></a>
<div class="topic">
<h3>instantiate</h3>

<p>create an instance</p>
</div>


<a name="id03433" shape="rect"></a>
<div class="topic">
<h3>instruction address</h3>

<p>address of the location where an instruction word is stored</p>
</div>


<a name="id02528" shape="rect"></a>
<div class="topic">
<h3>instruction set</h3>

<p>complete list of instructions which a processor can decode and execute</p>
</div>


<a name="id0608" shape="rect"></a>
<div class="topic">
<h3>instruction word</h3>

<p>word which contains an instruction code</p>
</div>


<a name="id016619" shape="rect"></a>
<div class="topic">
<h3>instructions</h3>

<p>on the Club Nokia web pages, a subheading under tones and graphics leading to pages where users can search for help, verify their phone number, and order tones, graphics and profiles by phone</p>
</div>


<a name="p2xhtm-repid-8081" shape="rect"></a>
<div class="topic">
<h3>INT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02666#id02666" onclick="sync(this);return true" shape="rect">See interrupt</a></p>
</div>


<a name="p2xhtm-repid-8082" shape="rect"></a>
<div class="topic">
<h3>integrated broadband communications network</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03993#id03993" onclick="sync(this);return true" shape="rect">See broadband integrated services digital network</a></p>
</div>


<a name="p2xhtm-repid-8083" shape="rect"></a>
<div class="topic">
<h3>integrated circuit card</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08194#id08194" onclick="sync(this);return true" shape="rect">See smart card</a></p>
</div>


<a name="id019432" shape="rect"></a>
<div class="topic">
<h3>integrated development environment; <em>interactive development environment</em>; <em>IDE</em></h3>

<p>system for supporting the process of writing software, including a syntax-directed editor, graphical tools for program entry, and integrated support for compiling and running the program and relating compilation errors back to the source</p>
</div>


<a name="id0269" shape="rect"></a>
<div class="topic">
<h3>integrated digital network; <em>digital network</em>; <em>IDN</em></h3>

<p>set of digital nodes and digital links that uses integrated transmission and switching to provide digital connections between two or more defined points to facilitate telecommunication between them</p>
</div>


<a name="id03721" shape="rect"></a>
<div class="topic">
<h3>integrated digital transmission and switching</h3>

<p>direct (digital) concatenation of digital transmission and digital switching, that maintains a continuous digital transmission path</p>
</div>


<a name="p2xhtm-repid-8087" shape="rect"></a>
<div class="topic">
<h3>integrated IP trunk</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012605#id012605" onclick="sync(this);return true" shape="rect">See IP trunk</a></p>
</div>


<a name="p2xhtm-repid-8088" shape="rect"></a>
<div class="topic">
<h3>integrated network</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03767#id03767" onclick="sync(this);return true" shape="rect">See integrated services network</a></p>
</div>


<a name="id011925" shape="rect"></a>
<div class="topic">
<h3>integrated service; <em>IntServ</em></h3>

<p>IN supported service running on one common IN system that both fixed and mobile network subscribers can use</p>
</div>


<a name="id015409" shape="rect"></a>
<div class="topic">
<h3>integrated service control point; <em>ISCP</em></h3>

<p>service control point which contains service logic that responds to queries from the exchanges</p>
</div>


<a name="id0100" shape="rect"></a>
<div class="topic">
<h3>integrated services digital network; <em>ISDN</em></h3>

<p>integrated services network that provides digital connections between user network interfaces</p>
</div>


<a name="id03152" shape="rect"></a>
<div class="topic">
<h3>integrated services digital PABX; <em>integrated services private branch exchange</em>; <em>ISDN PABX</em>; <em>ISPBX</em>; <em>ISPABX</em></h3>

<p>digital private automatic branch exchange (PABX) which is able to provide ISDN services to the extensions</p>
</div>


<a name="p2xhtm-repid-8093" shape="rect"></a>
<div class="topic">
<h3>integrated services digital user part</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03242#id03242" onclick="sync(this);return true" shape="rect">See ISDN user part</a></p>
</div>


<a name="id01074" shape="rect"></a>
<div class="topic">
<h3>integrated services exchange</h3>

<p>exchange arranged to handle multiple services such as telephone and data using all or part of the switching, signalling and control devices in common</p>
</div>


<a name="id03767" shape="rect"></a>
<div class="topic">
<h3>integrated services network; <em>integrated network</em>; <em>ISN</em></h3>

<p>a network that provides or supports a range of different telecommunications services</p>
</div>


<a name="p2xhtm-repid-8096" shape="rect"></a>
<div class="topic">
<h3>integrated services private branch exchange</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03152#id03152" onclick="sync(this);return true" shape="rect">See integrated services digital PABX</a></p>
</div>


<a name="p2xhtm-repid-8097" shape="rect"></a>
<div class="topic">
<h3>integrated services user part</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03242#id03242" onclick="sync(this);return true" shape="rect">See ISDN user part</a></p>
</div>


<a name="id019767" shape="rect"></a>
<div class="topic">
<h3>integrated short message gateway; <em>ISMG</em></h3>

<p>application integrated into the SMPP gateway in Nokia SMS Center for load sharing purposes</p>
</div>


<a name="id020654" shape="rect"></a>
<div class="topic">
<h3>integrated transmission node; <em>ITN</em></h3>

<p>cross-connection node that is integrated into the base station chassis without external wires, components, or tools</p>
</div>


<a name="id012099" shape="rect"></a>
<div class="topic">
<h3>integrated VPN</h3>

<p>virtual private network service that is available for both fixed and mobile subscribers</p>
</div>


<a name="id014514" shape="rect"></a>
<div class="topic">
<h3>integration</h3>

<p>process of combining components into a system that conforms to the system design</p>
</div>


<a name="id014575" shape="rect"></a>
<div class="topic">
<h3>integration interface</h3>

<p>interface that a subsystem exposes for other subsystems for the use of its services</p>
</div>


<a name="id05236" shape="rect"></a>
<div class="topic">
<h3>integration of software</h3>

<p>creation of a whole, operable software package on the basis of software control lists</p>
</div>


<a name="id014577" shape="rect"></a>
<div class="topic">
<h3>integration reference point; <em>IRP</em></h3>

<p>collection of related integration interfaces that forms a connection point between subsystems</p>
</div>


<a name="p2xhtm-repid-8105" shape="rect"></a>
<div class="topic">
<h3>integration reference point information model</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012775#id012775" onclick="sync(this);return true" shape="rect">See IRP information model</a></p>
</div>


<a name="p2xhtm-repid-8106" shape="rect"></a>
<div class="topic">
<h3>integration reference point information service</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012776#id012776" onclick="sync(this);return true" shape="rect">See IRP information service</a></p>
</div>


<a name="p2xhtm-repid-8107" shape="rect"></a>
<div class="topic">
<h3>integration reference point solution set</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012777#id012777" onclick="sync(this);return true" shape="rect">See IRP solution set</a></p>
</div>


<a name="id09536" shape="rect"></a>
<div class="topic">
<h3>integrity; <em>data integrity</em></h3>

<p>characteristic of data that ensures that the information has not been altered or destroyed in an unauthorised manner or by accident</p>
</div>


<a name="id021216" shape="rect"></a>
<div class="topic">
<h3>integrity check</h3>

<p>verification that the present state of data has not been tampered with or otherwise modified</p>
</div>


<a name="id015531" shape="rect"></a>
<div class="topic">
<h3>integrity check program; <em>ICP</em></h3>

<p>optional feature for checking the integrity of the databases of the home location register (HLR) and service routing register (SRR)</p>
</div>


<a name="id015904" shape="rect"></a>
<div class="topic">
<h3>integrity check value; <em>ICV</em></h3>

<p>checksum used for detecting the modification of data</p>
</div>


<a name="id06663" shape="rect"></a>
<div class="topic">
<h3>integrity key; <em>IK</em></h3>

<p>data protection key used for protecting the integrity of data items</p>
</div>


<a name="id015155" shape="rect"></a>
<div class="topic">
<h3>integrity object</h3>

<p>type-length-value-encoded field that includes a sequence number and a message digest algorithm useful for authenticating and validating the integrity of messages</p>
</div>


<a name="id015451" shape="rect"></a>
<div class="topic">
<h3>integrity protection</h3>

<p>security measures used to protect data from unauthorised modifications while it is stored or passed over the network</p>
</div>


<a name="id011801" shape="rect"></a>
<div class="topic">
<h3>integrity supervision</h3>

<p>function used for the supervision of the logical and physical integrity of files</p>
</div>


<a name="id020037" shape="rect"></a>
<div class="topic">
<h3>intelligent content delivery; <em>ICD</em></h3>

<p>content delivery in the packet core network that involves rule-based content analysis and traffic differentiation, and service and subscription provisioning, and allows the mobile operator to perform differentiated charging for specific traffic types and transactions and for time or access based services</p>
</div>


<a name="p2xhtm-repid-8117" shape="rect"></a>
<div class="topic">
<h3>intelligent content delivery</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020052#id020052" onclick="sync(this);return true" shape="rect">See intelligent content delivery system</a></p>
</div>


<a name="id020052" shape="rect"></a>
<div class="topic">
<h3>intelligent content delivery system; <em>intelligent content delivery</em>; <em>ICD system</em>; <em>ICD</em></h3>

<p>system for mobile operators that provides subscribers with quick and easy connection to content and services and makes it possible to charge them according to the value of the service and the traffic generated</p>
</div>


<a name="id09017" shape="rect"></a>
<div class="topic">
<h3>intelligent coverage enhancement; <em>ICE</em></h3>

<p>base station system solution used for expanding the coverage of a cell</p>
</div>


<a name="id09018" shape="rect"></a>
<div class="topic">
<h3>intelligent frequency hopping; <em>IFH</em></h3>

<p>base station system solution that uses frequency hopping and intelligent underlay overlay features to reuse frequencies very intensively and hence achieve a higher radio network capacity and better quality</p>
</div>


<a name="id010674" shape="rect"></a>
<div class="topic">
<h3>intelligent map</h3>

<p>map in digital form which contains links to the information describing the objects in the map</p>
</div>


<a name="id04842" shape="rect"></a>
<div class="topic">
<h3>intelligent network; <em>IN</em></h3>

<p>telecommunications network architecture that provides flexibility for facilitating the introduction of new capabilities and services</p>
</div>


<a name="id015866" shape="rect"></a>
<div class="topic">
<h3>intelligent network announcement; <em>IN announcement</em></h3>

<p>announcement which is given from the internal announcement device and in which the use of variable-content parts is allowed</p>
</div>


<a name="p2xhtm-repid-8124" shape="rect"></a>
<div class="topic">
<h3>intelligent network application part</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06772#id06772" onclick="sync(this);return true" shape="rect">See intelligent network application protocol</a></p>
</div>


<a name="id06772" shape="rect"></a>
<div class="topic">
<h3>intelligent network application protocol; <em>intelligent network application part</em>; <em>INAP</em></h3>

<p>protocol for intelligent network applications contained in the application of the OSI model (layer 7)</p>
</div>


<a name="p2xhtm-repid-8126" shape="rect"></a>
<div class="topic">
<h3>intelligent network architecture</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011926#id011926" onclick="sync(this);return true" shape="rect">See IN architecture</a></p>
</div>


<a name="p2xhtm-repid-8127" shape="rect"></a>
<div class="topic">
<h3>intelligent network call</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010444#id010444" onclick="sync(this);return true" shape="rect">See IN call</a></p>
</div>


<a name="p2xhtm-repid-8128" shape="rect"></a>
<div class="topic">
<h3>intelligent network CDR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012101#id012101" onclick="sync(this);return true" shape="rect">See IN charging record</a></p>
</div>


<a name="id09109" shape="rect"></a>
<div class="topic">
<h3>intelligent network mobility management; <em>IN mobility management</em></h3>

<p>location update procedure controlled by intelligent network logic</p>
</div>


<a name="id09110" shape="rect"></a>
<div class="topic">
<h3>intelligent network supplementary service management; <em>IN supplementary service management</em></h3>

<p>supplementary service management controlled by intelligent network logic</p>
</div>


<a name="p2xhtm-repid-8131" shape="rect"></a>
<div class="topic">
<h3>intelligent network system</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011929#id011929" onclick="sync(this);return true" shape="rect">See IN system</a></p>
</div>


<a name="p2xhtm-repid-8132" shape="rect"></a>
<div class="topic">
<h3>intelligent peripheral</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06790#id06790" onclick="sync(this);return true" shape="rect">See specialised resource point</a></p>
</div>


<a name="id09862" shape="rect"></a>
<div class="topic">
<h3>intelligent peripheral driver</h3>

<p>device driver, located in the control processor of a device, executing low level program code in parallel with the central processing unit (CPU)</p>
</div>


<a name="id016472" shape="rect"></a>
<div class="topic">
<h3>Intelligent Platform Management Bus; <em>IPMB</em></h3>

<p>architecture and protocol used to interconnect intelligent controllers via an inter integrated circuit (I2C) based serial bus for the purpose of platform management</p>
</div>


<a name="id019392" shape="rect"></a>
<div class="topic">
<h3>Intelligent Platform Management Interface; <em>IPMI</em></h3>

<p>hardware-level interface specification that provides monitoring and control functions that can be exposed through standard management software interfaces such as the simple network management protocol (SNMP)</p>
</div>


<a name="id020413" shape="rect"></a>
<div class="topic">
<h3>intelligent service configurator; <em>service topology manager</em>; <em>ISC</em>; <em>STM</em></h3>

<p>network element that is used for creating and maintaining services for the intelligent service node (ISN) and for providing service information for the use of intelligent content delivery (ICD) network elements</p>
</div>


<a name="id020038" shape="rect"></a>
<div class="topic">
<h3>intelligent service node; <em>intelligent services node</em>; <em>ISN</em></h3>

<p>node that provides service connectivity and application analysis, traffic analysis, and content analysis functions</p>
</div>


<a name="id014736" shape="rect"></a>
<div class="topic">
<h3>intelligent service platform</h3>

<p>platform that provides operators with the means to personalise their services for end-users</p>
</div>


<a name="p2xhtm-repid-8139" shape="rect"></a>
<div class="topic">
<h3>intelligent services node</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020038#id020038" onclick="sync(this);return true" shape="rect">See intelligent service node</a></p>
</div>


<a name="id09019" shape="rect"></a>
<div class="topic">
<h3>intelligent shutdown; <em>IS</em></h3>

<p>optional base station system feature used to minimise base station power consumption</p>
</div>


<a name="id01899" shape="rect"></a>
<div class="topic">
<h3>intelligent terminal</h3>

<p>computer which operates as a terminal and refines data coming from the terminal connection on the basis of information received from the connection</p>
</div>


<a name="id09027" shape="rect"></a>
<div class="topic">
<h3>intelligent underlay overlay; <em>IUO</em></h3>

<p>optional feature in the base station controller in which the cell is divided into two layers, the regular layer with regular frequencies and the super-reuse layer with super-reuse frequencies</p>
</div>


<a name="id02367" shape="rect"></a>
<div class="topic">
<h3>intelligible crosstalk</h3>

<p>crosstalk giving rise to intelligible sounds</p>
</div>


<a name="id015790" shape="rect"></a>
<div class="topic">
<h3>inter integrated circuit bus; <em>inter-IC bus</em>; <em>I2C bus</em>; <em>I2C</em></h3>

<p>bus that provides a communication link between the integrated circuits (IC)</p>
</div>


<a name="p2xhtm-repid-8145" shape="rect"></a>
<div class="topic">
<h3>inter PDU transmission interval</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014812#id014812" onclick="sync(this);return true" shape="rect">See inter-PDU transmission interval</a></p>
</div>


<a name="id014922" shape="rect"></a>
<div class="topic">
<h3>inter-arrival jitter; <em>interarrival jitter</em>; <em>jitter</em></h3>

<p>estimate of the statistical variance of the RTP data packet inter-arrival time, measured in timestamp units and expressed as an unsigned integer</p>
</div>


<a name="id09863" shape="rect"></a>
<div class="topic">
<h3>inter-computer messaging</h3>

<p>message transmission between different computers of a network element</p>
</div>


<a name="id015156" shape="rect"></a>
<div class="topic">
<h3>inter-domain loopback</h3>

<p>loopback in which a cell is inserted by a network operator and looped back by the first ATM node in an adjacent network operator domain</p>
</div>


<a name="p2xhtm-repid-8149" shape="rect"></a>
<div class="topic">
<h3>inter-exchange circuit</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0843#id0843" onclick="sync(this);return true" shape="rect">See trunk circuit</a></p>
</div>


<a name="id05091" shape="rect"></a>
<div class="topic">
<h3>inter-exchange handover</h3>

<p>handover between exchanges within the same network</p>
</div>


<a name="p2xhtm-repid-8151" shape="rect"></a>
<div class="topic">
<h3>inter-exchange signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0374#id0374" onclick="sync(this);return true" shape="rect">See inter-exchange signalling</a></p>
</div>


<a name="id0374" shape="rect"></a>
<div class="topic">
<h3>inter-exchange signalling; <em>inter-exchange signaling /US/</em></h3>

<p>signalling used for transferring information by register and line signals between exchanges</p>
</div>


<a name="id019093" shape="rect"></a>
<div class="topic">
<h3>inter-frequency adjacency; <em>ADJI</em></h3>

<p>logical adjacency object that is used for controlling inter-frequency handovers in WCDMA</p>
</div>


<a name="id010123" shape="rect"></a>
<div class="topic">
<h3>inter-frequency handover; <em>IFHO</em></h3>

<p>handover where the new carrier frequency is different from the current one</p>
</div>


<a name="id019094" shape="rect"></a>
<div class="topic">
<h3>inter-frequency handover path; <em>object for inter-frequency handover path</em>; <em>HOPI</em></h3>

<p>logical handover path object which includes a set of parameters for controlling inter-frequency handovers in WCDMA</p>
</div>


<a name="id019095" shape="rect"></a>
<div class="topic">
<h3>inter-frequency measurement control; <em>object for inter-frequency measurement control</em>; <em>FMCI</em></h3>

<p>logical frequency measurement control (FMC) object which includes a set of parameters for controlling measurements for inter-frequency handover in WCDMA</p>
</div>


<a name="p2xhtm-repid-8157" shape="rect"></a>
<div class="topic">
<h3>inter-IC bus</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015790#id015790" onclick="sync(this);return true" shape="rect">See inter integrated circuit bus</a></p>
</div>


<a name="id016931" shape="rect"></a>
<div class="topic">
<h3>inter-MMS centre; <em>IMMSC</em></h3>

<p>system which enables the transfer of multimedia messages and delivery reports between different operators' multimedia message service centres (MMSC)</p>
</div>


<a name="p2xhtm-repid-8159" shape="rect"></a>
<div class="topic">
<h3>inter-MMSC interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019035#id019035" onclick="sync(this);return true" shape="rect">See MM4 interface</a></p>
</div>


<a name="id019001" shape="rect"></a>
<div class="topic">
<h3>inter-NTMS logic</h3>

<p>logic which enables the Nokia Terminal Management Servers to communicate via the remote method invocation (RMI) interface so that they can notify each other about events that concern other servers in the group</p>
</div>


<a name="id014812" shape="rect"></a>
<div class="topic">
<h3>inter-PDU transmission interval; <em>inter PDU transmission interval</em>; <em>IPTI</em></h3>

<p>actual interval at which Iu user plane (UP) protocol data units (PDU) can be sent at a certain time for a specific radio access bearer (RAB) subflow combination</p>
</div>


<a name="id012773" shape="rect"></a>
<div class="topic">
<h3>inter-PLMN handover</h3>

<p>handover between different public land mobile networks (PLMN)</p>
</div>


<a name="id012599" shape="rect"></a>
<div class="topic">
<h3>inter-PLMN handover support</h3>

<p>MSC/HLR feature which enables handover between public land mobile networks (PLMN)</p>
</div>


<a name="id09864" shape="rect"></a>
<div class="topic">
<h3>inter-process communication; <em>IPC</em></h3>

<p>all communication between processes</p>
</div>


<a name="p2xhtm-repid-8165" shape="rect"></a>
<div class="topic">
<h3>inter-RAT handover</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010124#id010124" onclick="sync(this);return true" shape="rect">See inter-system handover</a></p>
</div>


<a name="id018398" shape="rect"></a>
<div class="topic">
<h3>inter-regional radio network management</h3>

<p>radio network management which enables adjacency management over the borders of multiple network management systems, such as Nokia NetAct</p>
</div>


<a name="id019096" shape="rect"></a>
<div class="topic">
<h3>inter-system adjacency; <em>object for inter-system adjacency</em>; <em>ADJG</em></h3>

<p>logical adjacency object used for controlling inter-system handovers</p>
</div>


<a name="id018399" shape="rect"></a>
<div class="topic">
<h3>inter-system adjacency management</h3>

<p>adjacency management used to create, modify, and delete adjacencies in the combined second and third generation networks</p>
</div>


<a name="id012771" shape="rect"></a>
<div class="topic">
<h3>inter-system change</h3>

<p>change of radio access between different radio access technologies</p>
</div>


<a name="id010124" shape="rect"></a>
<div class="topic">
<h3>inter-system handover; <em>inter-RAT handover</em>; <em>ISHO</em>; <em>IRHO</em>; <em>IRATHO</em></h3>

<p>handover between mobile communication systems so that the mobile station changes the radio access technology</p>
</div>


<a name="id019097" shape="rect"></a>
<div class="topic">
<h3>inter-system handover path; <em>object for inter-system handover path</em>; <em>HOPG</em></h3>

<p>logical handover path object which includes a set of parameters for controlling the inter-system handover</p>
</div>


<a name="id019098" shape="rect"></a>
<div class="topic">
<h3>inter-system measurement control; <em>object for inter-system measurement control</em>; <em>FMCG</em></h3>

<p>logical frequency measurement control (FMC) object which includes a set of parameters for controlling measurements for inter-system handover</p>
</div>


<a name="id016172" shape="rect"></a>
<div class="topic">
<h3>inter-system network-controlled cell re-selection; <em>IS-NCCRS</em></h3>

<p>network-controlled cell re-selection which directs a user to another system</p>
</div>


<a name="id013112" shape="rect"></a>
<div class="topic">
<h3>inter-VLR location update</h3>

<p>location update which is done when the subscriber moves to a new visitor location register (VLR) area</p>
</div>


<a name="p2xhtm-repid-8175" shape="rect"></a>
<div class="topic">
<h3>inter-working</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010354#id010354" onclick="sync(this);return true" shape="rect">See interworking</a></p>
</div>


<a name="id011802" shape="rect"></a>
<div class="topic">
<h3>inter-zonal call</h3>

<p>call made from one zone to another</p>
</div>


<a name="id06773" shape="rect"></a>
<div class="topic">
<h3>interaction; <em>service interaction</em>; <em>feature interaction</em></h3>

<p>situation that occurs when one service affects the operation of the other service</p>
</div>


<a name="id01693" shape="rect"></a>
<div class="topic">
<h3>interactive</h3>

<p>action in more than one direction, either simultaneously or sequentially</p>
</div>


<a name="p2xhtm-repid-8179" shape="rect"></a>
<div class="topic">
<h3>interactive best effort</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015408#id015408" onclick="sync(this);return true" shape="rect">See interactive class</a></p>
</div>


<a name="id015408" shape="rect"></a>
<div class="topic">
<h3>interactive class; <em>interactive best effort</em></h3>

<p>quality of service class for non-real-time traffic characterised by the request response pattern and preserved payload content</p>
</div>


<a name="p2xhtm-repid-8181" shape="rect"></a>
<div class="topic">
<h3>interactive development environment</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019432#id019432" onclick="sync(this);return true" shape="rect">See integrated development environment</a></p>
</div>


<a name="id013113" shape="rect"></a>
<div class="topic">
<h3>interactive IMEI query</h3>

<p>feature which enables the operator to initiate an international mobile station equipment identity (IMEI) query during a call or from the visitor location register (VLR) at any time, and to receive the supplied IMEI in real time</p>
</div>


<a name="id02018" shape="rect"></a>
<div class="topic">
<h3>interactive mode; <em>conversational mode</em></h3>

<p>mode of operation of a data processing system in which a sequence of alternating entries and responses between a user and the system takes place in a manner similar to a dialogue between two persons</p>
</div>


<a name="id04370" shape="rect"></a>
<div class="topic">
<h3>interactive service</h3>

<p>service which provides the means for bidirectional exchange of information between users or between users and hosts</p>
</div>


<a name="id012100" shape="rect"></a>
<div class="topic">
<h3>interactive voice response; <em>interactive voice server</em>; <em>IVR</em></h3>

<p>system that provides a variety of interactive services in which users may control the operation of the service through the use of a dual tone multi-frequency (DTMF) telephone</p>
</div>


<a name="p2xhtm-repid-8186" shape="rect"></a>
<div class="topic">
<h3>interactive voice server</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012100#id012100" onclick="sync(this);return true" shape="rect">See interactive voice response</a></p>
</div>


<a name="p2xhtm-repid-8187" shape="rect"></a>
<div class="topic">
<h3>interarrival jitter</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014922#id014922" onclick="sync(this);return true" shape="rect">See inter-arrival jitter</a></p>
</div>


<a name="id02249" shape="rect"></a>
<div class="topic">
<h3>interception of calls; <em>interception of calls, old format</em></h3>

<p>calls which, for administrative or technical reasons, cannot reach the wanted number may be intercepted and diverted to an operator, an answering machine or a tone to give the caller appropriate information</p>
</div>


<a name="p2xhtm-repid-8189" shape="rect"></a>
<div class="topic">
<h3>interception of calls, old format</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02249#id02249" onclick="sync(this);return true" shape="rect">See interception of calls</a></p>
</div>


<a name="p2xhtm-repid-8190" shape="rect"></a>
<div class="topic">
<h3>interception tone</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02238#id02238" onclick="sync(this);return true" shape="rect">See special information tone</a></p>
</div>


<a name="p2xhtm-repid-8191" shape="rect"></a>
<div class="topic">
<h3>intercollegiate interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019380#id019380" onclick="sync(this);return true" shape="rect">See push to talk call processor intercollegiate interface</a></p>
</div>


<a name="p2xhtm-repid-8192" shape="rect"></a>
<div class="topic">
<h3>intercom dialing /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04715#id04715" onclick="sync(this);return true" shape="rect">See intercom dialling</a></p>
</div>


<a name="id04715" shape="rect"></a>
<div class="topic">
<h3>intercom dialling; <em>intercom dialing /US/</em></h3>

<p>facility for forming a connection with one or two function keys</p>
</div>


<a name="id020566" shape="rect"></a>
<div class="topic">
<h3>interconnecting TDM</h3>

<p>time-division multiplexing (TDM) based resources between two network elements such as an MSC server and media gateway (MGW)</p>
</div>


<a name="p2xhtm-repid-8195" shape="rect"></a>
<div class="topic">
<h3>interconnecting tunnel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09502#id09502" onclick="sync(this);return true" shape="rect">See tunnel</a></p>
</div>


<a name="id01749" shape="rect"></a>
<div class="topic">
<h3>interface; <em>IF</em></h3>

<p>common boundary between two associated systems</p>
</div>


<a name="id015157" shape="rect"></a>
<div class="topic">
<h3>interface address</h3>

<p>structure attached to an interface family, holding protocol addresses associated with logical interfaces</p>
</div>


<a name="p2xhtm-repid-8198" shape="rect"></a>
<div class="topic">
<h3>interface bit rate</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04672#id04672" onclick="sync(this);return true" shape="rect">See interface rate</a></p>
</div>


<a name="id08557" shape="rect"></a>
<div class="topic">
<h3>interface blocking</h3>

<p>operation by which an interface is rendered temporarily unable to fulfil its normal functions</p>
</div>


<a name="id019561" shape="rect"></a>
<div class="topic">
<h3>interface class</h3>

<p>class which is used to access a set of objects</p>
</div>


<a name="id013420" shape="rect"></a>
<div class="topic">
<h3>interface computer; <em>interface unit</em></h3>

<p>computer unit which acts as an interface between the control part of a network element and its telecommunications environment for user plane or control plane traffic</p>
</div>


<a name="id012169" shape="rect"></a>
<div class="topic">
<h3>interface definition language; <em>IDL</em></h3>

<p>descriptive language used to specify the interfaces of objects in the CORBA system independently of the programming language in which they are implemented</p>
</div>


<a name="id015158" shape="rect"></a>
<div class="topic">
<h3>interface family</h3>

<p>structure attached to a logical interface for each protocol family the interface supports</p>
</div>


<a name="id015746" shape="rect"></a>
<div class="topic">
<h3>interface identifier</h3>

<p>part of an IPv6 address that is used to identify interfaces on a link unambiguously</p>
</div>


<a name="id06993" shape="rect"></a>
<div class="topic">
<h3>interface loopback; <em>loop to interface</em></h3>

<p>method for testing the operation of an interface in which the incoming signal is looped back to the output</p>
</div>


<a name="id09653" shape="rect"></a>
<div class="topic">
<h3>interface module</h3>

<p>module in the program block's subsystem that lists the data types, messages, alarms, files and libraries the program block uses</p>
</div>


<a name="id04674" shape="rect"></a>
<div class="topic">
<h3>interface overhead</h3>

<p>remaining portion of the bit stream after deducting the information payload, which interface overhead may be essential (for example, framing for an interface shared by users) or ancillary (for example, performance monitoring)</p>
</div>


<a name="id017108" shape="rect"></a>
<div class="topic">
<h3>interface parameter</h3>

<p>string that identifies the interface</p>
</div>


<a name="id04673" shape="rect"></a>
<div class="topic">
<h3>interface payload</h3>

<p>portion of the bit stream of a framed interface which can be used for telecommunication services. Any signalling in included in the interface payload</p>
</div>


<a name="p2xhtm-repid-8210" shape="rect"></a>
<div class="topic">
<h3>interface Q1</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05631#id05631" onclick="sync(this);return true" shape="rect">See Q1 interface</a></p>
</div>


<a name="p2xhtm-repid-8211" shape="rect"></a>
<div class="topic">
<h3>interface Q2</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06638#id06638" onclick="sync(this);return true" shape="rect">See Q2 interface</a></p>
</div>


<a name="p2xhtm-repid-8212" shape="rect"></a>
<div class="topic">
<h3>interface Q3</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06639#id06639" onclick="sync(this);return true" shape="rect">See Q3 interface</a></p>
</div>


<a name="id04672" shape="rect"></a>
<div class="topic">
<h3>interface rate; <em>interface bit rate</em></h3>

<p>gross bit rate at an interface, that is, the sum of the bit rates of the interface payload and the interface overhead</p>
</div>


<a name="p2xhtm-repid-8214" shape="rect"></a>
<div class="topic">
<h3>interface switchover</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017112#id017112" onclick="sync(this);return true" shape="rect">See Ethernet interface switchover</a></p>
</div>


<a name="id06273" shape="rect"></a>
<div class="topic">
<h3>interface unit; <em>IFU</em></h3>

<p>functional unit within equipment which is connected to the main unit and involved in the processing of input and output traffic</p>
</div>


<a name="p2xhtm-repid-8216" shape="rect"></a>
<div class="topic">
<h3>interface unit</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013420#id013420" onclick="sync(this);return true" shape="rect">See interface computer</a></p>
</div>


<a name="p2xhtm-repid-8217" shape="rect"></a>
<div class="topic">
<h3>interface V2</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06643#id06643" onclick="sync(this);return true" shape="rect">See V2 interface</a></p>
</div>


<a name="p2xhtm-repid-8218" shape="rect"></a>
<div class="topic">
<h3>interface V5.1</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06645#id06645" onclick="sync(this);return true" shape="rect">See V5.1 interface</a></p>
</div>


<a name="p2xhtm-repid-8219" shape="rect"></a>
<div class="topic">
<h3>interface V5.2</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06644#id06644" onclick="sync(this);return true" shape="rect">See V5.2 interface</a></p>
</div>


<a name="id06207" shape="rect"></a>
<div class="topic">
<h3>interference; <em>radio interference</em>; <em>radio-frequency interference</em>; <em>radio disturbance</em>; <em>RFI</em></h3>

<p>electromagnetic disturbance in the radio-frequency range</p>
</div>


<a name="id010182" shape="rect"></a>
<div class="topic">
<h3>interference averaging</h3>

<p>interference mitigation technique in which the noise-like interference which spreading has generated decreases with the processing gain in despreading</p>
</div>


<a name="id05156" shape="rect"></a>
<div class="topic">
<h3>interference fading</h3>

<p>fading arising from a variation in the relative phases of waves of similar amplitudes</p>
</div>


<a name="p2xhtm-repid-8223" shape="rect"></a>
<div class="topic">
<h3>interference radiation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07004#id07004" onclick="sync(this);return true" shape="rect">See radiated emission</a></p>
</div>


<a name="id011432" shape="rect"></a>
<div class="topic">
<h3>interference signal code power; <em>ISCP</em></h3>

<p>average power of the received signal after despreading and combining, if only interference power is received</p>
</div>


<a name="id03274" shape="rect"></a>
<div class="topic">
<h3>interfering signal; <em>spurious signal</em></h3>

<p>unwanted signal generated either in the equipment itself or externally which interferes with reception</p>
</div>


<a name="id09227" shape="rect"></a>
<div class="topic">
<h3>interim inter-switch signalling protocol; <em>IISP</em></h3>

<p>ATM signalling protocol for inter-switch communication using manually configured prefix tables</p>
</div>


<a name="id010442" shape="rect"></a>
<div class="topic">
<h3>interior gateway protocol; <em>IGP</em></h3>

<p>common name for Internet protocols that routers within autonomous systems use to exchange routing information between each other</p>
</div>


<a name="id010443" shape="rect"></a>
<div class="topic">
<h3>interior gateway routing protocol; <em>internet gateway routing protocol</em>; <em>IGRP</em></h3>

<p>interior gateway protocol designed by Cisco Systems for routing in an autonomous system</p>
</div>


<a name="id018272" shape="rect"></a>
<div class="topic">
<h3>interior node</h3>

<p>node that contains a collection of functions needed if a node is connected only to other DS-capable nodes</p>
</div>


<a name="id09453" shape="rect"></a>
<div class="topic">
<h3>interleaving</h3>

<p>distribution of symbols in one block over a number of adjacent blocks, whereby burst errors can be corrected more effectively than without interleaving</p>
</div>


<a name="id05639" shape="rect"></a>
<div class="topic">
<h3>interlock code; <em>CUG interlock code</em>; <em>IC</em></h3>

<p>code composed of the network indicator and the CUG code which is used between different networks to identify the CUG group of the subscriber</p>
</div>


<a name="id07391" shape="rect"></a>
<div class="topic">
<h3>intermediate announcement</h3>

<p>announcement that is given during call set-up</p>
</div>


<a name="id011579" shape="rect"></a>
<div class="topic">
<h3>intermediate CDR generation</h3>

<p>forming of partial charging records (CDR) in intermediate charging</p>
</div>


<a name="id016431" shape="rect"></a>
<div class="topic">
<h3>intermediate CDR interval</h3>

<p>in charging configuration, the time interval in minutes of the frequency with which intermediate charging records (CDR) are generated for the active PDP contexts for normal users</p>
</div>


<a name="id01019" shape="rect"></a>
<div class="topic">
<h3>intermediate charging</h3>

<p>charging method in which the charging record (CDR) is generated when the call is still in progress</p>
</div>


<a name="id04757" shape="rect"></a>
<div class="topic">
<h3>intermediate exchange</h3>

<p>exchange for signalling between different networks</p>
</div>


<a name="id06233" shape="rect"></a>
<div class="topic">
<h3>intermediate frequency; <em>IF</em></h3>

<p>frequency produced in a super-heterodyne receiver after combining the incoming signal with a signal from a local oscillator, and frequency in a super-heterodyne transmitter before the signal has been converted to the transmitting frequency by a mixer or a local oscillator</p>
</div>


<a name="id013114" shape="rect"></a>
<div class="topic">
<h3>intermediate mobile services switching centre; <em>intermediate MSC</em>; <em>IM-MSC</em>; <em>MSC-I</em></h3>

<p>mobile services switching centre (MSC) through which the anchor MSC (MSC-A) using the E interface is in contact with the mobile station</p>
</div>


<a name="p2xhtm-repid-8239" shape="rect"></a>
<div class="topic">
<h3>intermediate MSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013114#id013114" onclick="sync(this);return true" shape="rect">See intermediate mobile services switching centre</a></p>
</div>


<a name="id04727" shape="rect"></a>
<div class="topic">
<h3>intermediate node; <em>intermediate point</em></h3>

<p>node in which the signalling connection control part (SCCP) decides whether the signalling connection is implemented by one or several connection sections</p>
</div>


<a name="p2xhtm-repid-8241" shape="rect"></a>
<div class="topic">
<h3>intermediate point</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04727#id04727" onclick="sync(this);return true" shape="rect">See intermediate node</a></p>
</div>


<a name="p2xhtm-repid-8242" shape="rect"></a>
<div class="topic">
<h3>intermediate repeater</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06274#id06274" onclick="sync(this);return true" shape="rect">See line repeater</a></p>
</div>


<a name="p2xhtm-repid-8243" shape="rect"></a>
<div class="topic">
<h3>intermediate report</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08738#id08738" onclick="sync(this);return true" shape="rect">See intermediate report of peak hour measurement</a></p>
</div>


<a name="id08738" shape="rect"></a>
<div class="topic">
<h3>intermediate report of peak hour measurement; <em>intermediate report</em></h3>

<p>peak hour report which is used when interrogating how the dimensioning proceeds</p>
</div>


<a name="id012274" shape="rect"></a>
<div class="topic">
<h3>intermediate response</h3>

<p>operation that the service control function (SCF) sends back to the service switching function (SSF) or to specialised resources function (SRF) after it has received initial DP or EventReportBCSM operation</p>
</div>


<a name="id013115" shape="rect"></a>
<div class="topic">
<h3>intermediate result</h3>

<p>part of the result data which has been received from an extended preanalysis still in progress</p>
</div>


<a name="id05909" shape="rect"></a>
<div class="topic">
<h3>intermediate service part; <em>ISP</em></h3>

<p>element of transaction capabililities which supports TCAP for connection-oriented messages. It represents OSI layers 4 to 6</p>
</div>


<a name="id06952" shape="rect"></a>
<div class="topic">
<h3>intermediate system; <em>IS</em></h3>

<p>with regard to two communicating application processes, an open system that is not an end system but is in a path between end systems</p>
</div>


<a name="id011803" shape="rect"></a>
<div class="topic">
<h3>intermediate system hello; <em>ISH</em></h3>

<p>intermediate-system-originated packet that passes information to all adjacent end systems</p>
</div>


<a name="id011805" shape="rect"></a>
<div class="topic">
<h3>intermediate system to intermediate system hello; <em>IS-IS hello</em>; <em>IIH</em></h3>

<p>intermediate-system-originated packet that passes information to another intermediate system (IS) in order to maintain adjacencies</p>
</div>


<a name="id06947" shape="rect"></a>
<div class="topic">
<h3>intermediate system to intermediate system routing protocol; <em>IS-IS protocol</em>; <em>IS-IS</em></h3>

<p>protocol used for routing connectionless network service messages in large telecommunication networks</p>
</div>


<a name="id06235" shape="rect"></a>
<div class="topic">
<h3>intermediate-frequency amplifier; <em>IF amplifier</em></h3>

<p>central stages of a superheterodyne radio receiver which amplify signals after they have been converted to a fixed intermediate frequency by a mixer</p>
</div>


<a name="id06234" shape="rect"></a>
<div class="topic">
<h3>intermediate-frequency signal</h3>

<p>signal produced by a receiver from the incoming high-frequency signal with the help of a local oscillator and a mixer</p>
</div>


<a name="id01740" shape="rect"></a>
<div class="topic">
<h3>intermodulation</h3>

<p>production, in a non-linear transducer element, of frequencies corresponding to the sums and differences of the fundamentals and harmonics of two or more frequencies which are transmitted through the transducer</p>
</div>


<a name="id0364" shape="rect"></a>
<div class="topic">
<h3>intermodulation products</h3>

<p>frequencies in an output signal produced by intermodulation, equal to the sums and differences of integral multiples of the frequencies present in the input signal</p>
</div>


<a name="id08514" shape="rect"></a>
<div class="topic">
<h3>internal alarm</h3>

<p>alarm indicating an internal problem in NMS, for example a local message service failure, a database connection failure, or a failure in the observation of the database connections</p>
</div>


<a name="p2xhtm-repid-8257" shape="rect"></a>
<div class="topic">
<h3>internal announcement measurement</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08776#id08776" onclick="sync(this);return true" shape="rect">See traffic measurement for the internal announcement device</a></p>
</div>


<a name="id012673" shape="rect"></a>
<div class="topic">
<h3>internal announcement measurement report</h3>

<p>measurement report which shows the number and type of announcements that have been given by the Verbal Announcement Generator (VANG) during a results accumulation period</p>
</div>


<a name="id014025" shape="rect"></a>
<div class="topic">
<h3>internal application logic</h3>

<p>feature which describes the implementation of some chosen supplementary services in the application server</p>
</div>


<a name="id013758" shape="rect"></a>
<div class="topic">
<h3>internal ATM interface; <em>internal ATM line</em></h3>

<p>ATM interface between the units or plug-in units of a network element</p>
</div>


<a name="id015159" shape="rect"></a>
<div class="topic">
<h3>internal ATM interface testing services</h3>

<p>feature for locating equipment faults in the Switching Fabric Unit (SFU), and in the interfaces between the SFU and the Network Interface Unit, or between the SFU and the Multiplexer Unit (MXU)</p>
</div>


<a name="p2xhtm-repid-8262" shape="rect"></a>
<div class="topic">
<h3>internal ATM line</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013758#id013758" onclick="sync(this);return true" shape="rect">See internal ATM interface</a></p>
</div>


<a name="id09728" shape="rect"></a>
<div class="topic">
<h3>internal bandwidth management; <em>IBM</em></h3>

<p>feature which is used to prevent cell congestion in the ATM switching fabric by controlling the ATM cell transfer rates across the fabric</p>
</div>


<a name="id016067" shape="rect"></a>
<div class="topic">
<h3>internal bus</h3>

<p>bus that connects the internal computer components to the central processing unit and main memory</p>
</div>


<a name="id0687" shape="rect"></a>
<div class="topic">
<h3>internal call</h3>

<p>a call in internal traffic of an exchange</p>
</div>


<a name="id05415" shape="rect"></a>
<div class="topic">
<h3>internal call circuit group</h3>

<p>in private automatic branch exchange (PABX) centrex, a circuit group between a PABX and a higher-level exchange, which transmits internal traffic from the PABX to the remote extensions</p>
</div>


<a name="id08818" shape="rect"></a>
<div class="topic">
<h3>internal call control analysis</h3>

<p>call control analysis that enables call control software to obtain the required analysis results via the function interface</p>
</div>


<a name="id016064" shape="rect"></a>
<div class="topic">
<h3>internal clock</h3>

<p>equipment's own clock that regulates the rate at which instructions or tasks are executed and synchronises the various electronic components</p>
</div>


<a name="id09658" shape="rect"></a>
<div class="topic">
<h3>internal connection</h3>

<p>virtual connection in which both end points are located inside the same network element</p>
</div>


<a name="id09729" shape="rect"></a>
<div class="topic">
<h3>internal connections initialisation</h3>

<p>function which establishes internal connections in NIU and MXU units in start up according to predefined values</p>
</div>


<a name="id02926" shape="rect"></a>
<div class="topic">
<h3>internal data transfer</h3>

<p>data transfer through internal PCM circuits of an exchange</p>
</div>


<a name="p2xhtm-repid-8272" shape="rect"></a>
<div class="topic">
<h3>internal direction</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0689#id0689" onclick="sync(this);return true" shape="rect">See internal route</a></p>
</div>


<a name="id015823" shape="rect"></a>
<div class="topic">
<h3>internal entity</h3>

<p>entity which stores all information about itself in its declaration statement</p>
</div>


<a name="id015691" shape="rect"></a>
<div class="topic">
<h3>internal error</h3>

<p>error log message indicating in the unit an error which usually causes the current request to be discarded</p>
</div>


<a name="id015836" shape="rect"></a>
<div class="topic">
<h3>internal IN service</h3>

<p>IN supported service developed for special cases and implemented by internal software inside the DX 200 exchange</p>
</div>


<a name="id09730" shape="rect"></a>
<div class="topic">
<h3>internal interface</h3>

<p>interface in a computer unit, used for internal communication and for terminating internal connections</p>
</div>


<a name="p2xhtm-repid-8277" shape="rect"></a>
<div class="topic">
<h3>internal IP address</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010010#id010010" onclick="sync(this);return true" shape="rect">See private IP address</a></p>
</div>


<a name="id018525" shape="rect"></a>
<div class="topic">
<h3>internal LAN manager</h3>

<p>feature which defines a method of configuring host and interface computer units, switching units, and supervisor units for the switching units, in an IPT platform</p>
</div>


<a name="id020263" shape="rect"></a>
<div class="topic">
<h3>internal licence file</h3>

<p>binary licence file which is accessed by the licence management library when feature management requests licence data</p>
</div>


<a name="id011048" shape="rect"></a>
<div class="topic">
<h3>internal location updating</h3>

<p>location updating during which a subscriber moves from one location area to another inside the visitor location register (VLR)</p>
</div>


<a name="id07136" shape="rect"></a>
<div class="topic">
<h3>internal loopback</h3>

<p>test loopback where an outgoing signal is connected to serve as an incoming signal before line transmitters and line receivers</p>
</div>


<a name="id07897" shape="rect"></a>
<div class="topic">
<h3>internal message</h3>

<p>message sent within a computer</p>
</div>


<a name="id09561" shape="rect"></a>
<div class="topic">
<h3>internal message</h3>

<p>message sent inside a computer unit without using the message bus</p>
</div>


<a name="id012275" shape="rect"></a>
<div class="topic">
<h3>internal network number indicator</h3>

<p>indicator showing whether a specific number contained in a parameter is generated by the network</p>
</div>


<a name="id03464" shape="rect"></a>
<div class="topic">
<h3>internal PCM circuit</h3>

<p>PCM circuit in the exchange, for example, between two functional units</p>
</div>


<a name="id0689" shape="rect"></a>
<div class="topic">
<h3>internal route; <em>internal direction</em></h3>

<p>route including circuits between fields, module circuits and different kinds of circuits of hunted equipments</p>
</div>


<a name="id0684" shape="rect"></a>
<div class="topic">
<h3>internal semipermanent circuit group</h3>

<p>number of internal routes with the task of interchanging data between the control equipment and the switching equipment. These internal traffic connections should stay connected (the connections can be altered due to changes in the network structure and in case of failure) (DX 200)</p>
</div>


<a name="id012142" shape="rect"></a>
<div class="topic">
<h3>internal service</h3>

<p>network element's service that is used internally by other network element service implementations</p>
</div>


<a name="id09731" shape="rect"></a>
<div class="topic">
<h3>internal service category; <em>ISC</em></h3>

<p>abstraction of the traffic management hardware that guarantees a certain quality of service to virtual connections inside the network element</p>
</div>


<a name="id0685" shape="rect"></a>
<div class="topic">
<h3>internal switched circuit group</h3>

<p>group of switched circuits which form the connection between the subscriber stage and the group switch and which have the same direction. The establishing of the connection is controlled by the dialling of the calling subscriber</p>
</div>


<a name="id08819" shape="rect"></a>
<div class="topic">
<h3>internal switched circuit group</h3>

<p>switched circuit group with circuits that have the same direction, connecting the group switch and the subscriber stage</p>
</div>


<a name="id015884" shape="rect"></a>
<div class="topic">
<h3>internal termination ID</h3>

<p>termination ID at the MSC server, consisting of a media gateway (MGW) identifier part and the actual termination ID part</p>
</div>


<a name="id09732" shape="rect"></a>
<div class="topic">
<h3>internal termination point</h3>

<p>termination point on one internal interface, used for cell insertion or extraction by the ATM adaptation layer (AAL)</p>
</div>


<a name="id07137" shape="rect"></a>
<div class="topic">
<h3>internal test</h3>

<p>test where a computer unit is tested against its requirements without the help of other computer units</p>
</div>


<a name="id01535" shape="rect"></a>
<div class="topic">
<h3>internal traffic</h3>

<p>traffic originating and terminating within the network considered</p>
</div>


<a name="id013756" shape="rect"></a>
<div class="topic">
<h3>internally terminated connection</h3>

<p>connection between a network interface and one internal interface</p>
</div>


<a name="p2xhtm-repid-8297" shape="rect"></a>
<div class="topic">
<h3>international</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03577#id03577" onclick="sync(this);return true" shape="rect">See international call</a></p>
</div>


<a name="id03577" shape="rect"></a>
<div class="topic">
<h3>international call; <em>international</em></h3>

<p>call destinated outside the country</p>
</div>


<a name="id03565" shape="rect"></a>
<div class="topic">
<h3>international call barring; <em>barring of all outgoing international calls</em></h3>

<p>restriction category of the outgoing calls barring which enables the prevention of international calls from a particular extension</p>
</div>


<a name="id012717" shape="rect"></a>
<div class="topic">
<h3>international carrier access; <em>CAI</em></h3>

<p>feature by which the use of an international carrier access code in a circuit group is activated or deactivated</p>
</div>


<a name="id06887" shape="rect"></a>
<div class="topic">
<h3>international carrier access code; <em>CACI</em></h3>

<p>code for international calls which specifies different network operators</p>
</div>


<a name="id09733" shape="rect"></a>
<div class="topic">
<h3>international code designator; <em>ICD</em></h3>

<p>ATM address format that identifies an international organisation</p>
</div>


<a name="id010540" shape="rect"></a>
<div class="topic">
<h3>international data encryption algorithm; <em>IDEA</em></h3>

<p>block cipher that uses a 128-bit key to encrypt or decrypt data in 64-bit blocks</p>
</div>


<a name="p2xhtm-repid-8304" shape="rect"></a>
<div class="topic">
<h3>international dialable number</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013116#id013116" onclick="sync(this);return true" shape="rect">See international dialled number</a></p>
</div>


<a name="id013116" shape="rect"></a>
<div class="topic">
<h3>international dialled number; <em>international dialable number</em>; <em>IDN</em></h3>

<p>number which consists of the international prefix and international number (consisting of country code, network code and subscriber number)</p>
</div>


<a name="id02929" shape="rect"></a>
<div class="topic">
<h3>International Electrotechnical Commission; <em>IEC</em></h3>

<p>global organization that prepares and publishes international standards for all electrical, electronic and related technologies</p>
</div>


<a name="id05092" shape="rect"></a>
<div class="topic">
<h3>international exchange; <em>international switching centre</em>; <em>ISC</em></h3>

<p>exchange which switches calls destinated to or originating from another country</p>
</div>


<a name="p2xhtm-repid-8308" shape="rect"></a>
<div class="topic">
<h3>international freephone service</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04841#id04841" onclick="sync(this);return true" shape="rect">See ISDN freephone service</a></p>
</div>


<a name="p2xhtm-repid-8309" shape="rect"></a>
<div class="topic">
<h3>international gateway</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04457#id04457" onclick="sync(this);return true" shape="rect">See gateway MSC</a></p>
</div>


<a name="id04475" shape="rect"></a>
<div class="topic">
<h3>international mobile equipment identity; <em>international mobile station equipment identity</em>; <em>IMEI</em></h3>

<p>identity with which the mobile station can be uniquely identified as a piece or assembly of equipment</p>
</div>


<a name="p2xhtm-repid-8311" shape="rect"></a>
<div class="topic">
<h3>international mobile station equipment identity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04475#id04475" onclick="sync(this);return true" shape="rect">See international mobile equipment identity</a></p>
</div>


<a name="p2xhtm-repid-8312" shape="rect"></a>
<div class="topic">
<h3>international mobile station identity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04476#id04476" onclick="sync(this);return true" shape="rect">See international mobile subscriber identity</a></p>
</div>


<a name="id04476" shape="rect"></a>
<div class="topic">
<h3>international mobile subscriber identity; <em>IMSI</em></h3>

<p>unique subscription identifier consisting of the national mobile subscriber identity (NMSI) and the mobile country code (MCC)</p>
</div>


<a name="id012772" shape="rect"></a>
<div class="topic">
<h3>international mobile user number; <em>IMUN</em></h3>

<p>diallable number allocated to a user for international communication</p>
</div>


<a name="id0339" shape="rect"></a>
<div class="topic">
<h3>international number; <em>international significant number</em>; <em>ISN</em></h3>

<p>number consisting of the country code followed by the national significant number of the called subscriber</p>
</div>


<a name="id0340" shape="rect"></a>
<div class="topic">
<h3>International Organization for Standardization; <em>ISO</em></h3>

<p>non-governmental worldwide organization of national standards bodies whose work results are published as international ISO standards</p>
</div>


<a name="id0786" shape="rect"></a>
<div class="topic">
<h3>international prefix; <em>IP</em></h3>

<p>combination of digits to be dialled by a calling subscriber making a call to a subscriber in another country</p>
</div>


<a name="p2xhtm-repid-8318" shape="rect"></a>
<div class="topic">
<h3>international signaling network /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04355#id04355" onclick="sync(this);return true" shape="rect">See international signalling network</a></p>
</div>


<a name="p2xhtm-repid-8319" shape="rect"></a>
<div class="topic">
<h3>international signaling point /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04351#id04351" onclick="sync(this);return true" shape="rect">See international signalling point</a></p>
</div>


<a name="p2xhtm-repid-8320" shape="rect"></a>
<div class="topic">
<h3>international signaling point code /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04352#id04352" onclick="sync(this);return true" shape="rect">See international signalling point code</a></p>
</div>


<a name="id04355" shape="rect"></a>
<div class="topic">
<h3>international signalling network; <em>international signaling network /US/</em></h3>

<p>network used for signalling, consisting of international signalling points and common channel signalling links connecting them</p>
</div>


<a name="id04351" shape="rect"></a>
<div class="topic">
<h3>international signalling point; <em>international signaling point /US/</em>; <em>ISP</em></h3>

<p>signalling point which belongs to the international signalling network</p>
</div>


<a name="id04352" shape="rect"></a>
<div class="topic">
<h3>international signalling point code; <em>international signaling point code /US/</em></h3>

<p>part of the label in a signalling message that uniquely identifies each signalling point which belongs to the international signalling network. It consists of a sub-field for the signalling area/network code (11 bit) and a sub-field which identifies a signalling point in a specific area of network (3 bit)</p>
</div>


<a name="p2xhtm-repid-8324" shape="rect"></a>
<div class="topic">
<h3>international significant number</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0339#id0339" onclick="sync(this);return true" shape="rect">See international number</a></p>
</div>


<a name="id015649" shape="rect"></a>
<div class="topic">
<h3>International Special Committee on Radio Interference; <em>CISPR</em></h3>

<p>non-governmental group composed of National Committees of the International Electrotechnical Commission (IEC), as well as numerous international organisations, aiming to promote international agreement on the aspects of radio interference</p>
</div>


<a name="p2xhtm-repid-8326" shape="rect"></a>
<div class="topic">
<h3>international switching centre</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05092#id05092" onclick="sync(this);return true" shape="rect">See international exchange</a></p>
</div>


<a name="id04638" shape="rect"></a>
<div class="topic">
<h3>International Telecommunication Union; <em>ITU</em></h3>

<p>telecommunications agency of the United Nations which issues recommendations</p>
</div>


<a name="p2xhtm-repid-8328" shape="rect"></a>
<div class="topic">
<h3>International Telegraph and Telephone Consultative Committee</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0338#id0338" onclick="sync(this);return true" shape="rect">See ITU Telecommunication Standardization Sector</a></p>
</div>


<a name="id015889" shape="rect"></a>
<div class="topic">
<h3>international telephone user part; <em>ITUP</em></h3>

<p>telephone user part (TUP) that ITU-T has specified for international use</p>
</div>


<a name="id019010" shape="rect"></a>
<div class="topic">
<h3>internationalisation; <em>i18n</em></h3>

<p>process that ensures that the localisation of a product is as easy as possible</p>
</div>


<a name="id07708" shape="rect"></a>
<div class="topic">
<h3>Internet</h3>

<p>global open information network which consists of combined local area networks (LAN) and servers</p>
</div>


<a name="id016247" shape="rect"></a>
<div class="topic">
<h3>Internet access point; <em>IAP</em></h3>

<p>any point at which a wireless or cable device can gain access to the Internet</p>
</div>


<a name="id08249" shape="rect"></a>
<div class="topic">
<h3>Internet address; <em>web address</em></h3>

<p>identifier individualising a web page or web site</p>
</div>


<a name="id09974" shape="rect"></a>
<div class="topic">
<h3>Internet Assigned Numbers Authority; <em>IANA</em></h3>

<p>organisation that co-ordinates and registers IP addresses and domain names to Internet service providers (ISP), including the registry of various numeric identities for Internet operation which include, for example, port and enterprise numbers</p>
</div>


<a name="id09975" shape="rect"></a>
<div class="topic">
<h3>Internet control message protocol; <em>ICMP</em></h3>

<p>internet protocol which delivers error and control messages between a gateway or a destination host and the source host about IP datagram processing</p>
</div>


<a name="id015153" shape="rect"></a>
<div class="topic">
<h3>Internet control message protocol for the Internet protocol version 6; <em>ICMPv6</em></h3>

<p>Internet control message protocol (ICMP) that the IPv6 nodes use to report errors encountered in processing packets, and to perform other Internet-layer functions, such as diagnostics</p>
</div>


<a name="id09976" shape="rect"></a>
<div class="topic">
<h3>Internet Corporation for Assigned Names And Numbers; <em>ICANN</em></h3>

<p>non-profit organisation that is to assume the responsibility for IP address space allocation, protocol parameter assignment, domain name system management, and root server system management functions that are needed for Internet operation</p>
</div>


<a name="p2xhtm-repid-8338" shape="rect"></a>
<div class="topic">
<h3>internet gateway routing protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010443#id010443" onclick="sync(this);return true" shape="rect">See interior gateway routing protocol</a></p>
</div>


<a name="id010156" shape="rect"></a>
<div class="topic">
<h3>Internet group management protocol; <em>IGMP</em></h3>

<p>protocol used by IP hosts to report their multicast group memberships to an adjacent multicast router</p>
</div>


<a name="id010355" shape="rect"></a>
<div class="topic">
<h3>Internet host</h3>

<p>host computer in the Internet</p>
</div>


<a name="id012143" shape="rect"></a>
<div class="topic">
<h3>Internet inter-ORB protocol; <em>IIOP</em></h3>

<p>standardised protocol that is interoperable between different object request broker (ORB) implementations</p>
</div>


<a name="id09977" shape="rect"></a>
<div class="topic">
<h3>Internet key exchange; <em>IKE</em></h3>

<p>key management protocol that is an instance of the Internet security association and key management protocol (ISAKMP) framework used to create security associations between Internet protocol security hosts</p>
</div>


<a name="p2xhtm-repid-8343" shape="rect"></a>
<div class="topic">
<h3>Internet mail access protocol, version 4</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017590#id017590" onclick="sync(this);return true" shape="rect">See IMAP4</a></p>
</div>


<a name="id016930" shape="rect"></a>
<div class="topic">
<h3>Internet mail gateway; <em>mail gateway</em>; <em>IMGW</em>; <em>MGW</em></h3>

<p>gateway that acts as an interface between a messaging centre and an e-mail server</p>
</div>


<a name="p2xhtm-repid-8345" shape="rect"></a>
<div class="topic">
<h3>Internet message access protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017589#id017589" onclick="sync(this);return true" shape="rect">See IMAP</a></p>
</div>


<a name="p2xhtm-repid-8346" shape="rect"></a>
<div class="topic">
<h3>Internet message access protocol, version 4</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017590#id017590" onclick="sync(this);return true" shape="rect">See IMAP4</a></p>
</div>


<a name="id018595" shape="rect"></a>
<div class="topic">
<h3>Internet message storage database; <em>IMSD</em></h3>

<p>database where messages sent on the Internet can be stored</p>
</div>


<a name="id09978" shape="rect"></a>
<div class="topic">
<h3>Internet packet exchange; <em>internetwork packet exchange</em>; <em>IPX</em></h3>

<p>network layer protocol that is used for transferring data from servers to workstations, similar to IP</p>
</div>


<a name="id06708" shape="rect"></a>
<div class="topic">
<h3>Internet protocol; <em>IP</em></h3>

<p>network layer protocol in TCP/IP stack that offers a connectionless internetwork service</p>
</div>


<a name="p2xhtm-repid-8350" shape="rect"></a>
<div class="topic">
<h3>Internet protocol address</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08251#id08251" onclick="sync(this);return true" shape="rect">See IP address</a></p>
</div>


<a name="p2xhtm-repid-8351" shape="rect"></a>
<div class="topic">
<h3>Internet protocol base station</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016119#id016119" onclick="sync(this);return true" shape="rect">See IP base station</a></p>
</div>


<a name="id011161" shape="rect"></a>
<div class="topic">
<h3>Internet protocol control protocol; <em>IPCP</em></h3>

<p>protocol responsible for configuring, enabling, and disabling the Internet protocol (IP) at both ends of the point-to-point link</p>
</div>


<a name="p2xhtm-repid-8353" shape="rect"></a>
<div class="topic">
<h3>internet protocol network</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09454#id09454" onclick="sync(this);return true" shape="rect">See IP network</a></p>
</div>


<a name="id016118" shape="rect"></a>
<div class="topic">
<h3>Internet protocol radio access network; <em>IP-RAN</em>; <em>IP RAN</em></h3>

<p>radio access network based on IP transport technology</p>
</div>


<a name="id09979" shape="rect"></a>
<div class="topic">
<h3>Internet protocol security; <em>IP security protocol</em>; <em>IPSEC</em>; <em>IPSec</em></h3>

<p>protocol that provides Internet security architecture for data confidentiality, data integrity, and data authentication to support secure exchange of packets at the IP layer</p>
</div>


<a name="id017069" shape="rect"></a>
<div class="topic">
<h3>Internet protocol security option; <em>IP security option</em>; <em>IPSO</em></h3>

<p>field that can be added to an IP datagram for the purpose of carrying security information about the datagram</p>
</div>


<a name="id09980" shape="rect"></a>
<div class="topic">
<h3>Internet protocol version 4; <em>IPv4</em></h3>

<p>version 4 of the Internet protocol</p>
</div>


<a name="id09981" shape="rect"></a>
<div class="topic">
<h3>Internet protocol version 6; <em>IPv6</em></h3>

<p>version 6 of the Internet protocol with the most important improvement to Internet protocol version 4 being the generation of more IP addresses</p>
</div>


<a name="id014431" shape="rect"></a>
<div class="topic">
<h3>Internet protocols</h3>

<p>protocols comprising the baseline on top of which the Internet operates, including inter-network, host-to-host, and application layer protocols</p>
</div>


<a name="id014471" shape="rect"></a>
<div class="topic">
<h3>Internet provider</h3>

<p>Internet service provider (ISP) that provides connectivity services to other ISPs</p>
</div>


<a name="id010675" shape="rect"></a>
<div class="topic">
<h3>Internet relay chat; <em>IRC</em></h3>

<p>service that enables an Internet user to participate in a conversation online in real time with other users</p>
</div>


<a name="id09982" shape="rect"></a>
<div class="topic">
<h3>Internet security association and key management protocol; <em>ISAKMP</em></h3>

<p>Internet protocol that defines procedures for key management, for creation and management of security associations and for threat mitigation (for example, denial of service) to establish and maintain secure communications on the Internet</p>
</div>


<a name="id013838" shape="rect"></a>
<div class="topic">
<h3>Internet selective polling address; <em>ISP</em></h3>

<p>address in the Internet for the polling mode used in connection with telematic services</p>
</div>


<a name="id08677" shape="rect"></a>
<div class="topic">
<h3>Internet service provider; <em>ISP</em></h3>

<p>service provider that can be a private company or organisation providing access to the Internet for commercial and private users</p>
</div>


<a name="id015410" shape="rect"></a>
<div class="topic">
<h3>Internet services gateway; <em>ISG</em></h3>

<p>gateway that supports web-based provision via a form-like user interface in the advanced intelligent network (AIN) system</p>
</div>


<a name="p2xhtm-repid-8366" shape="rect"></a>
<div class="topic">
<h3>internetwork packet exchange</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09978#id09978" onclick="sync(this);return true" shape="rect">See Internet packet exchange</a></p>
</div>


<a name="id05402" shape="rect"></a>
<div class="topic">
<h3>interoperability; <em>IOP</em></h3>

<p>ability of systems and products from different suppliers to work together</p>
</div>


<a name="id012012" shape="rect"></a>
<div class="topic">
<h3>interoperability NOW; <em>iNOW</em></h3>

<p>an initiative to which Nokia is also committed, designed to ensure standard-based interoperability across multiple IP telephony platforms and applications. By achieving interoperability among IP telephony devices, IP transmissions can be terminated on any other IP device that incorporates the iNOW profiles</p>
</div>


<a name="id05477" shape="rect"></a>
<div class="topic">
<h3>interoperable interface</h3>

<p>formally-defined set of protocols, procedures, message formats and semantics used to communicate management information within an object-oriented paradigm</p>
</div>


<a name="id012144" shape="rect"></a>
<div class="topic">
<h3>interoperable object reference; <em>IOR</em></h3>

<p>data structure which is interoperable between different object request broker (ORB) products</p>
</div>


<a name="p2xhtm-repid-8371" shape="rect"></a>
<div class="topic">
<h3>interpreter</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0771#id0771" onclick="sync(this);return true" shape="rect">See interpretive program</a></p>
</div>


<a name="id0771" shape="rect"></a>
<div class="topic">
<h3>interpretive program; <em>interpreter</em></h3>

<p>translator that accepts one line of a source program at a time, and performs the corresponding actions</p>
</div>


<a name="id021233" shape="rect"></a>
<div class="topic">
<h3>interrogate mode</h3>

<p>operational mode of a redundant HLR in which the subscriber data is created temporarily in the redundant HLR to check if subscriber creation is successful</p>
</div>


<a name="id014104" shape="rect"></a>
<div class="topic">
<h3>interrogating call state control function; <em>interrogating CSCF</em>; <em>I-CSCF</em></h3>

<p>role of the call state control function (CSCF) which is used for mobile-terminated communications and for determining how to route mobile-terminated calls</p>
</div>


<a name="p2xhtm-repid-8375" shape="rect"></a>
<div class="topic">
<h3>interrogating CSCF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014104#id014104" onclick="sync(this);return true" shape="rect">See interrogating call state control function</a></p>
</div>


<a name="id014306" shape="rect"></a>
<div class="topic">
<h3>interrogating network entity</h3>

<p>network entity that submits a non-call-related signalling message to interrogate the home location register (HLR)</p>
</div>


<a name="p2xhtm-repid-8377" shape="rect"></a>
<div class="topic">
<h3>interrogating node</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05188#id05188" onclick="sync(this);return true" shape="rect">See interrogation node</a></p>
</div>


<a name="p2xhtm-repid-8378" shape="rect"></a>
<div class="topic">
<h3>interrogating PLMN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013117#id013117" onclick="sync(this);return true" shape="rect">See interrogating public land mobile network</a></p>
</div>


<a name="id013117" shape="rect"></a>
<div class="topic">
<h3>interrogating public land mobile network; <em>interrogating PLMN</em>; <em>IPLMN</em></h3>

<p>PLMN which interrogates the home network (HPLMN) of the called subscriber</p>
</div>


<a name="id011580" shape="rect"></a>
<div class="topic">
<h3>interrogation</h3>

<p>entering an interrogation command</p>
</div>


<a name="p2xhtm-repid-8381" shape="rect"></a>
<div class="topic">
<h3>interrogation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05924#id05924" onclick="sync(this);return true" shape="rect">See service interrogation</a></p>
</div>


<a name="id03177" shape="rect"></a>
<div class="topic">
<h3>interrogation command</h3>

<p>command for reading the content of files</p>
</div>


<a name="id04477" shape="rect"></a>
<div class="topic">
<h3>interrogation method</h3>

<p>routing method where the originating or transit exchange of the public switched telephone network (PSTN) requests the routing data from the home location register of the called subscriber while this in other routing methods is done by the gateway MSC. When the roaming number has been received as a response the call is routed directly to the received address</p>
</div>


<a name="id05188" shape="rect"></a>
<div class="topic">
<h3>interrogation node; <em>interrogating node</em>; <em>IN</em></h3>

<p>switching node that interrogates a home location register (HLR), to route a call for a mobile station (MS) to the visited mobile services switching centre (VMSC)</p>
</div>


<a name="id02666" shape="rect"></a>
<div class="topic">
<h3>interrupt; <em>interruption</em>; <em>INT</em></h3>

<p>suspension of a process, such as execution of a computer program, caused by another process of higher priority and performed in such a way that the original process can be resumed</p>
</div>


<a name="id06695" shape="rect"></a>
<div class="topic">
<h3>interrupt</h3>

<p>change in the execution of a program due to a command to be executed or some other interrupt</p>
</div>


<a name="id09564" shape="rect"></a>
<div class="topic">
<h3>interrupt descriptor table; <em>IDT</em></h3>

<p>descriptor table containing descriptors controlling the handling of interrupts and exceptions</p>
</div>


<a name="id02411" shape="rect"></a>
<div class="topic">
<h3>interrupt handler; <em>interrupt service program</em>; <em>interrupt service routine</em>; <em>ISR</em></h3>

<p>program which starts up when an interrupt takes place</p>
</div>


<a name="id015808" shape="rect"></a>
<div class="topic">
<h3>interrupt interface</h3>

<p>interface via which a message bus can give a normal interrupt or a non-maskable interrupt request (NMI) to a plug-in unit, and acknowledge an interrupt which the plug-in unit has given</p>
</div>


<a name="id0360" shape="rect"></a>
<div class="topic">
<h3>interrupt mask</h3>

<p>mask used for defining allowed and forbidden interrupts</p>
</div>


<a name="id0361" shape="rect"></a>
<div class="topic">
<h3>interrupt request; <em>IRQ</em>; <em>IR</em></h3>

<p>signal caused by a change in the status of a device, causing an interrupt</p>
</div>


<a name="p2xhtm-repid-8392" shape="rect"></a>
<div class="topic">
<h3>interrupt service program</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02411#id02411" onclick="sync(this);return true" shape="rect">See interrupt handler</a></p>
</div>


<a name="p2xhtm-repid-8393" shape="rect"></a>
<div class="topic">
<h3>interrupt service routine</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02411#id02411" onclick="sync(this);return true" shape="rect">See interrupt handler</a></p>
</div>


<a name="id06686" shape="rect"></a>
<div class="topic">
<h3>interrupt signal</h3>

<p>signal which comes from outside a processor and causes a change in the operation of the processor</p>
</div>


<a name="id01846" shape="rect"></a>
<div class="topic">
<h3>interrupt vector</h3>

<p>address of an interrupt service program</p>
</div>


<a name="id0359" shape="rect"></a>
<div class="topic">
<h3>interrupt-enable bit; <em>IF</em></h3>

<p>bit in for example the status register of a process which the processor sets active if it does not want to acknowledge interrupt requests</p>
</div>


<a name="p2xhtm-repid-8397" shape="rect"></a>
<div class="topic">
<h3>interruption</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02666#id02666" onclick="sync(this);return true" shape="rect">See interrupt</a></p>
</div>


<a name="id05937" shape="rect"></a>
<div class="topic">
<h3>interruption; <em>break of service</em></h3>

<p>temporary inability of a service to be provided lasting more than a given time duration, characterised by a change beyond given limits in at least one parameter essential for service</p>
</div>


<a name="id04353" shape="rect"></a>
<div class="topic">
<h3>interruption control</h3>

<p>system which monitors a pilot for interruptions on FDM systems and which transmits an indication to the switching equipment</p>
</div>


<a name="id015436" shape="rect"></a>
<div class="topic">
<h3>interswitch module; <em>ISW module</em></h3>

<p>module for modelling the inter-exchange voice traffic</p>
</div>


<a name="p2xhtm-repid-8401" shape="rect"></a>
<div class="topic">
<h3>intervention</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02223#id02223" onclick="sync(this);return true" shape="rect">See intrusion</a></p>
</div>


<a name="p2xhtm-repid-8402" shape="rect"></a>
<div class="topic">
<h3>intervention tone</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02224#id02224" onclick="sync(this);return true" shape="rect">See intrusion tone</a></p>
</div>


<a name="id010354" shape="rect"></a>
<div class="topic">
<h3>interworking; <em>inter-working</em>; <em>IW</em></h3>

<p>organised exchange of messages between entities, with no guarantee of common syntactic understanding between those entities</p>
</div>


<a name="id04992" shape="rect"></a>
<div class="topic">
<h3>interworking function; <em>IWF</em></h3>

<p>functional entity in a network providing interworking between networks, services, and supplementary services, and signalling interworking</p>
</div>


<a name="id012276" shape="rect"></a>
<div class="topic">
<h3>interworking indicator</h3>

<p>indicator showing whether or not signalling system No.7 is used in all parts of the network connection</p>
</div>


<a name="p2xhtm-repid-8406" shape="rect"></a>
<div class="topic">
<h3>interworking MSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06070#id06070" onclick="sync(this);return true" shape="rect">See interworking MSC for short message service</a></p>
</div>


<a name="id06070" shape="rect"></a>
<div class="topic">
<h3>interworking MSC for short message service; <em>interworking MSC</em>; <em>SMS-IWMSC</em>; <em>IWMSC</em></h3>

<p>interworking MSC capable of receiving short messages from the public land mobile network (PLMN) and submitting them to the recipient short message service centre (SMSC)</p>
</div>


<a name="id016731" shape="rect"></a>
<div class="topic">
<h3>interworking point; <em>IP</em></h3>

<p>point at which interworking occurs</p>
</div>


<a name="id014217" shape="rect"></a>
<div class="topic">
<h3>interworking unit; <em>IWU</em></h3>

<p>unit that is used to interconnect subnetworks</p>
</div>


<a name="id011051" shape="rect"></a>
<div class="topic">
<h3>intra-BSC handover</h3>

<p>handover between different cells of the same base station controller (BSC)</p>
</div>


<a name="id015160" shape="rect"></a>
<div class="topic">
<h3>intra-domain loopback</h3>

<p>loopback in which a cell is inserted by a network operator and looped back by a neighbouring ATM node of the same operator</p>
</div>


<a name="id017179" shape="rect"></a>
<div class="topic">
<h3>intra-domain NAS node selector; <em>IDNNS</em></h3>

<p>information according to which the network determines whether the mobile station is new to the pool area and, when the mobile station is known, routes the signalling to the correct MSC or SGSN</p>
</div>


<a name="id019099" shape="rect"></a>
<div class="topic">
<h3>intra-frequency adjacency; <em>object for intra-frequency adjacency</em>; <em>ADJS</em></h3>

<p>logical adjacency object used for controlling intra-frequency handovers</p>
</div>


<a name="id010125" shape="rect"></a>
<div class="topic">
<h3>intra-frequency handover; <em>IFHO</em></h3>

<p>handover within one carrier frequency</p>
</div>


<a name="id019100" shape="rect"></a>
<div class="topic">
<h3>intra-frequency handover path; <em>object for intra-frequency handover path</em>; <em>HOPS</em></h3>

<p>logical handover path object which includes a set of parameters for controlling the inter-frequency handover</p>
</div>


<a name="id019101" shape="rect"></a>
<div class="topic">
<h3>intra-frequency measurement control; <em>object for intra-frequency measurement control</em>; <em>FMCS</em></h3>

<p>logical frequency measurement control (FMC) object which includes a set of parameters for controlling measurements for intra-frequency handovers</p>
</div>


<a name="id012774" shape="rect"></a>
<div class="topic">
<h3>intra-PLMN handover</h3>

<p>handover within the same public land mobile network (PLMN) regardless of the radio access system</p>
</div>


<a name="id013118" shape="rect"></a>
<div class="topic">
<h3>intra-VLR location update</h3>

<p>location update which is done when the subscriber moves to a new location area, but remains in the same visitor location register (VLR) area</p>
</div>


<a name="id02223" shape="rect"></a>
<div class="topic">
<h3>intrusion; <em>attendant intrusion</em>; <em>intervention</em>; <em>operator's intervention</em>; <em>trunk offering</em></h3>

<p>attendant service which allows the attendant to intervene in an ongoing call so that the parties and the operator can all hear one another</p>
</div>


<a name="id021118" shape="rect"></a>
<div class="topic">
<h3>intrusion detection; <em>ID</em></h3>

<p>process of determining if a device or system has been or is being compromised</p>
</div>


<a name="id020439" shape="rect"></a>
<div class="topic">
<h3>intrusion detection system; <em>IDS</em></h3>

<p>system that detects improper, unauthorised, and abnormal system and network activities</p>
</div>


<a name="id02224" shape="rect"></a>
<div class="topic">
<h3>intrusion tone; <em>intervention tone</em></h3>

<p>tone advising participants during a call that the privacy of the conversation has been breached, for example, by the intervention of an operator</p>
</div>


<a name="p2xhtm-repid-8423" shape="rect"></a>
<div class="topic">
<h3>IntServ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011925#id011925" onclick="sync(this);return true" shape="rect">See integrated service</a></p>
</div>


<a name="id0144" shape="rect"></a>
<div class="topic">
<h3>invalid call</h3>

<p>subscriber's unauthorised attempt to use a service</p>
</div>


<a name="id04689" shape="rect"></a>
<div class="topic">
<h3>invalid cell</h3>

<p>cell where the header is declared by the header error control process to contain errors</p>
</div>


<a name="id018331" shape="rect"></a>
<div class="topic">
<h3>inventory manager</h3>

<p>tool for managing and tracking assets, such as hardware units or components, software licences, and other entities that have to be tracked in the operator's organisation throughout their life cycle</p>
</div>


<a name="id014809" shape="rect"></a>
<div class="topic">
<h3>inverse ATM address resolution protocol; <em>inverse ATMARP</em>; <em>InATMARP</em></h3>

<p>addition to the ATMARP protocol that allows a request for an IP address corresponding to a given ATM address</p>
</div>


<a name="p2xhtm-repid-8428" shape="rect"></a>
<div class="topic">
<h3>inverse ATMARP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014809#id014809" onclick="sync(this);return true" shape="rect">See inverse ATM address resolution protocol</a></p>
</div>


<a name="p2xhtm-repid-8429" shape="rect"></a>
<div class="topic">
<h3>inverse multiplexing</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09450#id09450" onclick="sync(this);return true" shape="rect">See inverse multiplexing for ATM</a></p>
</div>


<a name="id09450" shape="rect"></a>
<div class="topic">
<h3>inverse multiplexing for ATM; <em>ATM inverse multiplexing</em>; <em>inverse multiplexing</em>; <em>IMA</em></h3>

<p>transmission method in which the ATM cells in a cell stream are divided across several physical E1 links on a cell-by-cell basis and then reassembled at the receiving end without affecting the original cell order</p>
</div>


<a name="p2xhtm-repid-8431" shape="rect"></a>
<div class="topic">
<h3>INVITE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014026#id014026" onclick="sync(this);return true" shape="rect">See invite message</a></p>
</div>


<a name="id014026" shape="rect"></a>
<div class="topic">
<h3>invite message; <em>SIP INVITE</em>; <em>INVITE</em></h3>

<p>session initiation protocol (SIP) message which the calling party sends first when the call is set up</p>
</div>


<a name="id020752" shape="rect"></a>
<div class="topic">
<h3>invite talk group</h3>

<p>in the PoC system, a dial-out group for which a member list for invitations and access control is required</p>
</div>


<a name="id016653" shape="rect"></a>
<div class="topic">
<h3>invite your friends campaign</h3>

<p>campaign during which a Club Nokia member can invite one or more friends to join the Club and get a reward</p>
</div>


<a name="id05922" shape="rect"></a>
<div class="topic">
<h3>invocation; <em>service invocation</em></h3>

<p>process of starting the execution of a service</p>
</div>


<a name="p2xhtm-repid-8436" shape="rect"></a>
<div class="topic">
<h3>invocation code</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08846#id08846" onclick="sync(this);return true" shape="rect">See service code</a></p>
</div>


<a name="id012722" shape="rect"></a>
<div class="topic">
<h3>invoke</h3>

<p>to start the execution of a service</p>
</div>


<a name="id09655" shape="rect"></a>
<div class="topic">
<h3>invoke component</h3>

<p>component for requesting the execution of a facility or its part</p>
</div>


<a name="p2xhtm-repid-8439" shape="rect"></a>
<div class="topic">
<h3>invoke id</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09656#id09656" onclick="sync(this);return true" shape="rect">See invoke identifier</a></p>
</div>


<a name="id09656" shape="rect"></a>
<div class="topic">
<h3>invoke identifier; <em>invoke id</em></h3>

<p>invoke component's identification number</p>
</div>


<a name="p2xhtm-repid-8441" shape="rect"></a>
<div class="topic">
<h3>IOM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010388#id010388" onclick="sync(this);return true" shape="rect">See Chorus I/O manager</a></p>
</div>


<a name="p2xhtm-repid-8442" shape="rect"></a>
<div class="topic">
<h3>IOP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05402#id05402" onclick="sync(this);return true" shape="rect">See interoperability</a></p>
</div>


<a name="p2xhtm-repid-8443" shape="rect"></a>
<div class="topic">
<h3>IOR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012144#id012144" onclick="sync(this);return true" shape="rect">See interoperable object reference</a></p>
</div>


<a name="p2xhtm-repid-8444" shape="rect"></a>
<div class="topic">
<h3>IOV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011297#id011297" onclick="sync(this);return true" shape="rect">See input offset value</a></p>
</div>


<a name="p2xhtm-repid-8445" shape="rect"></a>
<div class="topic">
<h3>IOV value</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011297#id011297" onclick="sync(this);return true" shape="rect">See input offset value</a></p>
</div>


<a name="p2xhtm-repid-8446" shape="rect"></a>
<div class="topic">
<h3>IOV-I</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011298#id011298" onclick="sync(this);return true" shape="rect">See input offset value for I-frames</a></p>
</div>


<a name="p2xhtm-repid-8447" shape="rect"></a>
<div class="topic">
<h3>IOV-UI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011299#id011299" onclick="sync(this);return true" shape="rect">See input offset value for UI-frames</a></p>
</div>


<a name="p2xhtm-repid-8448" shape="rect"></a>
<div class="topic">
<h3>IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016731#id016731" onclick="sync(this);return true" shape="rect">See interworking point</a></p>
</div>


<a name="p2xhtm-repid-8449" shape="rect"></a>
<div class="topic">
<h3>IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019224#id019224" onclick="sync(this);return true" shape="rect">See input processor</a></p>
</div>


<a name="p2xhtm-repid-8450" shape="rect"></a>
<div class="topic">
<h3>IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06790#id06790" onclick="sync(this);return true" shape="rect">See specialised resource point</a></p>
</div>


<a name="p2xhtm-repid-8451" shape="rect"></a>
<div class="topic">
<h3>IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0786#id0786" onclick="sync(this);return true" shape="rect">See international prefix</a></p>
</div>


<a name="p2xhtm-repid-8452" shape="rect"></a>
<div class="topic">
<h3>IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06708#id06708" onclick="sync(this);return true" shape="rect">See Internet protocol</a></p>
</div>


<a name="id013423" shape="rect"></a>
<div class="topic">
<h3>IP access server</h3>

<p>access server which offers dial-up connections to the Internet for analogue and ISDN subscribers</p>
</div>


<a name="id08251" shape="rect"></a>
<div class="topic">
<h3>IP address; <em>IP number</em>; <em>Internet protocol address</em></h3>

<p>numerical identification individualising a data processor or a data transferring device connected to the Internet or a network connection</p>
</div>


<a name="id016399" shape="rect"></a>
<div class="topic">
<h3>IP address allocation</h3>

<p>administrative task of the mobile terminal where IP addresses are allocated either statically or dynamically</p>
</div>


<a name="id015162" shape="rect"></a>
<div class="topic">
<h3>IP addressing</h3>

<p>system for assigning numbers to network subdivisions, domains, and nodes in an IP network</p>
</div>


<a name="id014737" shape="rect"></a>
<div class="topic">
<h3>IP attack</h3>

<p>attack that operates at the Internet protocol (IP) layer</p>
</div>


<a name="p2xhtm-repid-8458" shape="rect"></a>
<div class="topic">
<h3>IP authentication header</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09951#id09951" onclick="sync(this);return true" shape="rect">See authentication header</a></p>
</div>


<a name="id014738" shape="rect"></a>
<div class="topic">
<h3>IP backbone</h3>

<p>backbone that uses Internet protocol (IP) -based data transmission</p>
</div>


<a name="id016119" shape="rect"></a>
<div class="topic">
<h3>IP base station; <em>Internet protocol base station</em>; <em>IP-BTS</em>; <em>IP BTS</em></h3>

<p>base transceiver station in the Internet protocol based radio access network (IP-RAN)</p>
</div>


<a name="p2xhtm-repid-8461" shape="rect"></a>
<div class="topic">
<h3>IP BTS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016119#id016119" onclick="sync(this);return true" shape="rect">See IP base station</a></p>
</div>


<a name="id020858" shape="rect"></a>
<div class="topic">
<h3>IP call</h3>

<p>call that is transmitted using the Internet protocol (IP)</p>
</div>


<a name="id014819" shape="rect"></a>
<div class="topic">
<h3>IP connectivity</h3>

<p>multimedia gateway (MGW) feature which adds interfaces for Ethernet, STM-1 for packet over SONET (POS), and STM-1 for IP over ATM (IPoA) traffic to the MGW</p>
</div>


<a name="id021078" shape="rect"></a>
<div class="topic">
<h3>IP convergence</h3>

<p>convergence of mobile and Internet domains, using networks based on the Internet Protocol (IP) as a common infrastructure</p>
</div>


<a name="id09866" shape="rect"></a>
<div class="topic">
<h3>IP datagram</h3>

<p>fundamental unit of information passed across the Internet, which contains source and destination addresses along with data and a number of fields which define such things as the length of the datagram, the header checksum, and flags to indicate whether the datagram can be or has been fragmented</p>
</div>


<a name="id014576" shape="rect"></a>
<div class="topic">
<h3>IP director; <em>IP director node</em>; <em>IP redirector</em>; <em>IPD</em></h3>

<p>node that redirects the external communications of a cluster</p>
</div>


<a name="p2xhtm-repid-8467" shape="rect"></a>
<div class="topic">
<h3>IP director node</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014576#id014576" onclick="sync(this);return true" shape="rect">See IP director</a></p>
</div>


<a name="p2xhtm-repid-8468" shape="rect"></a>
<div class="topic">
<h3>IP encapsulating security payload</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09968#id09968" onclick="sync(this);return true" shape="rect">See encapsulating security payload</a></p>
</div>


<a name="id012602" shape="rect"></a>
<div class="topic">
<h3>IP Exchange Terminal; <em>IPET</em></h3>

<p>Exchange Terminal which converts the speech signals between time-slot-based samples and IP packets</p>
</div>


<a name="id019480" shape="rect"></a>
<div class="topic">
<h3>IP flow; <em>flow</em></h3>

<p>set of user datagrams characterised by certain criteria, such as protocol or port information, destination address, or uniform resource identifier (URI)</p>
</div>


<a name="id09867" shape="rect"></a>
<div class="topic">
<h3>IP forwarding</h3>

<p>process of receiving a packet and using a very low overhead decision process determining how to handle the packet</p>
</div>


<a name="id019547" shape="rect"></a>
<div class="topic">
<h3>IP gateway</h3>

<p>gateway that converts the data stream into Internet protocol (IP) compatible form</p>
</div>


<a name="id013424" shape="rect"></a>
<div class="topic">
<h3>IP host; <em>IP node</em></h3>

<p>host computer on the IP network</p>
</div>


<a name="id017173" shape="rect"></a>
<div class="topic">
<h3>IP layer</h3>

<p>layer containing the functions for the Internet protocol (IP), to which all the communication streams from the higher layers come</p>
</div>


<a name="id014031" shape="rect"></a>
<div class="topic">
<h3>IP management</h3>

<p>feature which is used for managing IP entities, components, and topology</p>
</div>


<a name="id020899" shape="rect"></a>
<div class="topic">
<h3>IP management dynamic interface</h3>

<p>interface which offers asynchronous services for enquiring parameters of the TCP/IP stack</p>
</div>


<a name="id020872" shape="rect"></a>
<div class="topic">
<h3>IP mobile core network; <em>IP mobility core network</em>; <em>mobility core network</em></h3>

<p>mobile core network that is based on the use of the Internet protocol version 6 (IPv6), and supports variable technologies such as GSM and WCDMA</p>
</div>


<a name="p2xhtm-repid-8478" shape="rect"></a>
<div class="topic">
<h3>IP mobility core network</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020872#id020872" onclick="sync(this);return true" shape="rect">See IP mobile core network</a></p>
</div>


<a name="id014032" shape="rect"></a>
<div class="topic">
<h3>IP multimedia; <em>IM</em></h3>

<p>multimedia in which the Internet protocol (IP) is used to combine different communication elements in the same call or event</p>
</div>


<a name="id014033" shape="rect"></a>
<div class="topic">
<h3>IP multimedia call state model</h3>

<p>in a call processing server (CPS), a call state model that co-ordinates the call set-up with the help of other network elements</p>
</div>


<a name="p2xhtm-repid-8481" shape="rect"></a>
<div class="topic">
<h3>IP multimedia CN subsystem</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="id014020" shape="rect"></a>
<div class="topic">
<h3>IP multimedia core; <em>IMC</em></h3>

<p>set of core network elements which are needed to provide IP multimedia services</p>
</div>


<a name="p2xhtm-repid-8483" shape="rect"></a>
<div class="topic">
<h3>IP multimedia core network subsystem</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014034#id014034" onclick="sync(this);return true" shape="rect">See IP multimedia subsystem</a></p>
</div>


<a name="p2xhtm-repid-8484" shape="rect"></a>
<div class="topic">
<h3>IP multimedia media gateway</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020540#id020540" onclick="sync(this);return true" shape="rect">See IM-MGW</a></p>
</div>


<a name="id017006" shape="rect"></a>
<div class="topic">
<h3>IP multimedia register; <em>IMR</em></h3>

<p>main subscriber and service data storage in the IP multimedia subsystem (IMS), containing all permanent information related to IMS services and subscribers</p>
</div>


<a name="p2xhtm-repid-8486" shape="rect"></a>
<div class="topic">
<h3>IP multimedia repository</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017006#id017006" onclick="sync(this);return true" shape="rect">See IP multimedia register</a></p>
</div>


<a name="id014021" shape="rect"></a>
<div class="topic">
<h3>IP multimedia service; <em>IM service</em></h3>

<p>multimedia service that requires support at the call control level, carried on top of the packet switched (PS) connectivity services</p>
</div>


<a name="id017004" shape="rect"></a>
<div class="topic">
<h3>IP multimedia service control interface; <em>ISC interface</em>; <em>IMS service control interface</em></h3>

<p>interface between the serving call state control function (S-CSCF) and the service platform</p>
</div>


<a name="id014034" shape="rect"></a>
<div class="topic">
<h3>IP multimedia subsystem; <em>IM subsystem</em>; <em>IP multimedia core network subsystem</em>; <em>IP multimedia CN subsystem</em>; <em>IM CN subsystem</em>; <em>IMS</em>; <em>IM CN SS</em></h3>

<p>subsystem providing IP multimedia services that complement the services provided by the circuit switched core network (CS CN) domain</p>
</div>


<a name="id09454" shape="rect"></a>
<div class="topic">
<h3>IP network; <em>internet protocol network</em>; <em>IPN</em></h3>

<p>data communications network based on the Internet protocol</p>
</div>


<a name="p2xhtm-repid-8491" shape="rect"></a>
<div class="topic">
<h3>IP node</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013424#id013424" onclick="sync(this);return true" shape="rect">See IP host</a></p>
</div>


<a name="p2xhtm-repid-8492" shape="rect"></a>
<div class="topic">
<h3>IP number</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08251#id08251" onclick="sync(this);return true" shape="rect">See IP address</a></p>
</div>


<a name="id013762" shape="rect"></a>
<div class="topic">
<h3>IP over ATM; <em>IPoA</em>; <em>IPOA</em></h3>

<p>feature which specifies and implements the method for carrying IP traffic over ATM network by using AAL5 permanent virtual circuits as IP transmission medium</p>
</div>


<a name="p2xhtm-repid-8494" shape="rect"></a>
<div class="topic">
<h3>IP over ATM interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014816#id014816" onclick="sync(this);return true" shape="rect">See IP-over-ATM interface</a></p>
</div>


<a name="id015163" shape="rect"></a>
<div class="topic">
<h3>IP over Ethernet</h3>

<p>feature which is used for transmitting encapsulated IP datagrams in standard Ethernet frames</p>
</div>


<a name="p2xhtm-repid-8496" shape="rect"></a>
<div class="topic">
<h3>IP over SDH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013781#id013781" onclick="sync(this);return true" shape="rect">See packet over SONET</a></p>
</div>


<a name="id015164" shape="rect"></a>
<div class="topic">
<h3>IP payload compression protocol; <em>IPComp</em></h3>

<p>protocol that provides lossless compression for reducing the size of Internet protocol (IP) datagrams in an Internet environment</p>
</div>


<a name="id013422" shape="rect"></a>
<div class="topic">
<h3>IP platform; <em>IPT platform</em></h3>

<p>platform that provides IP telephony (IPT) to its users</p>
</div>


<a name="p2xhtm-repid-8499" shape="rect"></a>
<div class="topic">
<h3>IP RAN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016118#id016118" onclick="sync(this);return true" shape="rect">See Internet protocol radio access network</a></p>
</div>


<a name="p2xhtm-repid-8500" shape="rect"></a>
<div class="topic">
<h3>IP RAN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016495#id016495" onclick="sync(this);return true" shape="rect">See All-IP radio access network</a></p>
</div>


<a name="p2xhtm-repid-8501" shape="rect"></a>
<div class="topic">
<h3>IP redirector</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014576#id014576" onclick="sync(this);return true" shape="rect">See IP director</a></p>
</div>


<a name="id013425" shape="rect"></a>
<div class="topic">
<h3>IP route</h3>

<p>route which is selected as a result of IP routing</p>
</div>


<a name="id012604" shape="rect"></a>
<div class="topic">
<h3>IP router</h3>

<p>router which routes and forwards packets based on an IP address and routing tables</p>
</div>


<a name="id09912" shape="rect"></a>
<div class="topic">
<h3>IP routing</h3>

<p>exchange of information that takes place in order to have the necessary information available to make a correct forwarding decision for an IP datagram</p>
</div>


<a name="p2xhtm-repid-8505" shape="rect"></a>
<div class="topic">
<h3>IP security option</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017069#id017069" onclick="sync(this);return true" shape="rect">See Internet protocol security option</a></p>
</div>


<a name="p2xhtm-repid-8506" shape="rect"></a>
<div class="topic">
<h3>IP security protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09979#id09979" onclick="sync(this);return true" shape="rect">See Internet protocol security</a></p>
</div>


<a name="id015165" shape="rect"></a>
<div class="topic">
<h3>IP server process; <em>IPSP</em></h3>

<p>process instance of an IP-based application</p>
</div>


<a name="p2xhtm-repid-8508" shape="rect"></a>
<div class="topic">
<h3>IP service architecture</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014028#id014028" onclick="sync(this);return true" shape="rect">See IP-based service architecture</a></p>
</div>


<a name="id017007" shape="rect"></a>
<div class="topic">
<h3>IP service subsystem; <em>IP services subsystem</em>; <em>IPSS</em></h3>

<p>subsystem including the functions and interfaces added to the IP multimedia subsystem to provide SIP services</p>
</div>


<a name="p2xhtm-repid-8510" shape="rect"></a>
<div class="topic">
<h3>IP services subsystem</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017007#id017007" onclick="sync(this);return true" shape="rect">See IP service subsystem</a></p>
</div>


<a name="id013947" shape="rect"></a>
<div class="topic">
<h3>IP spoofing; <em>IP spoofing attack</em>; <em>spoofing attack</em></h3>

<p>attack in which an attacker attempts to access a network using a trusted IP address</p>
</div>


<a name="id018289" shape="rect"></a>
<div class="topic">
<h3>IP spoofing; <em>packet hijack</em></h3>

<p>form of security attack in which an attacker uses a trusted IP address to access the target network</p>
</div>


<a name="p2xhtm-repid-8513" shape="rect"></a>
<div class="topic">
<h3>IP spoofing attack</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013947#id013947" onclick="sync(this);return true" shape="rect">See IP spoofing</a></p>
</div>


<a name="id015166" shape="rect"></a>
<div class="topic">
<h3>IP statistics</h3>

<p>feature which is used to collect information about IP traffic from a packet over SONET interface, IP over ATM interface, and Ethernet interface</p>
</div>


<a name="id014105" shape="rect"></a>
<div class="topic">
<h3>IP statistics for PCU-A</h3>

<p>feature which defines the principles for collecting statistical data from the IP Exchange Terminals (IPET) of a Packet Control Unit (PCU-A)</p>
</div>


<a name="id020219" shape="rect"></a>
<div class="topic">
<h3>IP subnet</h3>

<p>segment of a local area network (LAN) that is used for the IP address handling of the interface and host computer unit groups</p>
</div>


<a name="id09984" shape="rect"></a>
<div class="topic">
<h3>IP switch; <em>IP switched router</em>; <em>IPSW</em></h3>

<p>switch of the network layer which switches packets</p>
</div>


<a name="p2xhtm-repid-8518" shape="rect"></a>
<div class="topic">
<h3>IP switched router</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09984#id09984" onclick="sync(this);return true" shape="rect">See IP switch</a></p>
</div>


<a name="p2xhtm-repid-8519" shape="rect"></a>
<div class="topic">
<h3>IP telephony</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010833#id010833" onclick="sync(this);return true" shape="rect">See voice over IP</a></p>
</div>


<a name="id013984" shape="rect"></a>
<div class="topic">
<h3>IP telephony application server; <em>APPSE</em></h3>

<p>server that runs applications in the IP telephony environment</p>
</div>


<a name="id014035" shape="rect"></a>
<div class="topic">
<h3>IP telephony charging</h3>

<p>charging that is generated within the IP network according to the mechanisms and policies defined by the IP network operator</p>
</div>


<a name="id014036" shape="rect"></a>
<div class="topic">
<h3>IP telephony core network</h3>

<p>core network in which the transmission of speech and data is based on the Internet protocol (IP)</p>
</div>


<a name="id012601" shape="rect"></a>
<div class="topic">
<h3>IP telephony gateway; <em>IPT gateway</em>; <em>IPT GW</em></h3>

<p>carrier class gateway which connects switched circuit networks to IP-based networks and vice versa, allowing phone-to-phone, PC-to-phone, phone-to-PC, and PC-to-PC connections</p>
</div>


<a name="id014106" shape="rect"></a>
<div class="topic">
<h3>IP terminal equipment; <em>IPTE</em></h3>

<p>terminal equipment which can access the IP network</p>
</div>


<a name="id012605" shape="rect"></a>
<div class="topic">
<h3>IP trunk; <em>integrated IP trunk</em></h3>

<p>solution which allows transparent transmission of telephone call information and ISUP signalling over an IP network</p>
</div>


<a name="id016421" shape="rect"></a>
<div class="topic">
<h3>IP tunnelling</h3>

<p>tunnelling in which IP packets from one system are placed as a payload inside the IP packets of another system</p>
</div>


<a name="id014028" shape="rect"></a>
<div class="topic">
<h3>IP-based service architecture; <em>IP service architecture</em>; <em>IPSA</em></h3>

<p>distributed service architecture which provides for the operators and service providers a flexible and access-independent IP-based service platform utilising a web-like approach in service development and execution</p>
</div>


<a name="p2xhtm-repid-8528" shape="rect"></a>
<div class="topic">
<h3>IP-BTS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016119#id016119" onclick="sync(this);return true" shape="rect">See IP base station</a></p>
</div>


<a name="p2xhtm-repid-8529" shape="rect"></a>
<div class="topic">
<h3>IP-DL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014468#id014468" onclick="sync(this);return true" shape="rect">See idle period downlink</a></p>
</div>


<a name="id016440" shape="rect"></a>
<div class="topic">
<h3>IP-in-IP tunnel; <em>IP-over-IP tunnel</em></h3>

<p>tunnel that provides means of connecting two local area networks (LAN) allowing them to share data, but keeping them behind the firewalls</p>
</div>


<a name="id016400" shape="rect"></a>
<div class="topic">
<h3>IP-in-IP tunnelling protocol</h3>

<p>tunnelling protocol for encapsulating an IP packet with a new IP header</p>
</div>


<a name="id014816" shape="rect"></a>
<div class="topic">
<h3>IP-over-ATM interface; <em>IP over ATM interface</em>; <em>IPOA interface</em>; <em>IPoA interface</em></h3>

<p>logical ATM interface over which the IP-based traffic can be transferred</p>
</div>


<a name="p2xhtm-repid-8533" shape="rect"></a>
<div class="topic">
<h3>IP-over-IP tunnel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016440#id016440" onclick="sync(this);return true" shape="rect">See IP-in-IP tunnel</a></p>
</div>


<a name="p2xhtm-repid-8534" shape="rect"></a>
<div class="topic">
<h3>IP-RAN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016118#id016118" onclick="sync(this);return true" shape="rect">See Internet protocol radio access network</a></p>
</div>


<a name="id014818" shape="rect"></a>
<div class="topic">
<h3>IP/ATM trunk</h3>

<p>in a multimedia gateway, a set of functions that use tandem free operation (TFO) to transfer compressed speech over a packet switched core network with as high quality as possible</p>
</div>


<a name="p2xhtm-repid-8536" shape="rect"></a>
<div class="topic">
<h3>IP6L</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019425#id019425" onclick="sync(this);return true" shape="rect">See IPv6 Linux distribution</a></p>
</div>


<a name="p2xhtm-repid-8537" shape="rect"></a>
<div class="topic">
<h3>IPBCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014815#id014815" onclick="sync(this);return true" shape="rect">See BICC IP bearer control protocol</a></p>
</div>


<a name="p2xhtm-repid-8538" shape="rect"></a>
<div class="topic">
<h3>IPC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09864#id09864" onclick="sync(this);return true" shape="rect">See inter-process communication</a></p>
</div>


<a name="id013761" shape="rect"></a>
<div class="topic">
<h3>IPC and MIPC message monitoring</h3>

<p>service that consists of a ChorusOS kernel modification enabling an actor to monitor the sending and receiving of inter-process communication (IPC) and message queue IPC (MIPC) messages</p>
</div>


<a name="p2xhtm-repid-8540" shape="rect"></a>
<div class="topic">
<h3>IPComp</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015164#id015164" onclick="sync(this);return true" shape="rect">See IP payload compression protocol</a></p>
</div>


<a name="p2xhtm-repid-8541" shape="rect"></a>
<div class="topic">
<h3>IPCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011161#id011161" onclick="sync(this);return true" shape="rect">See Internet protocol control protocol</a></p>
</div>


<a name="p2xhtm-repid-8542" shape="rect"></a>
<div class="topic">
<h3>IPD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014576#id014576" onclick="sync(this);return true" shape="rect">See IP director</a></p>
</div>


<a name="id020592" shape="rect"></a>
<div class="topic">
<h3>IPD IP address</h3>

<p>IP address assigned to the network interfaces in an IP director (IPD), which connects the IPD and thus the whole cluster to the external network and to the internal network</p>
</div>


<a name="p2xhtm-repid-8544" shape="rect"></a>
<div class="topic">
<h3>IPDL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014468#id014468" onclick="sync(this);return true" shape="rect">See idle period downlink</a></p>
</div>


<a name="p2xhtm-repid-8545" shape="rect"></a>
<div class="topic">
<h3>IPDL-OTDOA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016460#id016460" onclick="sync(this);return true" shape="rect">See idle period downlink - observed time difference of arrival</a></p>
</div>


<a name="p2xhtm-repid-8546" shape="rect"></a>
<div class="topic">
<h3>IPET</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012602#id012602" onclick="sync(this);return true" shape="rect">See IP Exchange Terminal</a></p>
</div>


<a name="p2xhtm-repid-8547" shape="rect"></a>
<div class="topic">
<h3>IPET cgr</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015722#id015722" onclick="sync(this);return true" shape="rect">See IPET circuit group</a></p>
</div>


<a name="id015722" shape="rect"></a>
<div class="topic">
<h3>IPET circuit group; <em>IPET cgr</em></h3>

<p>circuit group from where the free circuits are hunted for defined outgoing IP routes and for the internal route defined for all incoming IP trunk calls</p>
</div>


<a name="id014027" shape="rect"></a>
<div class="topic">
<h3>IPET route</h3>

<p>route that consists of internal circuits that connect a Group Switch (GSW) and IP Exchange Terminals (IPET)</p>
</div>


<a name="p2xhtm-repid-8550" shape="rect"></a>
<div class="topic">
<h3>IPLMN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013117#id013117" onclick="sync(this);return true" shape="rect">See interrogating public land mobile network</a></p>
</div>


<a name="p2xhtm-repid-8551" shape="rect"></a>
<div class="topic">
<h3>IPM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020326#id020326" onclick="sync(this);return true" shape="rect">See IPSec policy manager</a></p>
</div>


<a name="p2xhtm-repid-8552" shape="rect"></a>
<div class="topic">
<h3>IPMB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016472#id016472" onclick="sync(this);return true" shape="rect">See Intelligent Platform Management Bus</a></p>
</div>


<a name="p2xhtm-repid-8553" shape="rect"></a>
<div class="topic">
<h3>IPMI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019392#id019392" onclick="sync(this);return true" shape="rect">See Intelligent Platform Management Interface</a></p>
</div>


<a name="p2xhtm-repid-8554" shape="rect"></a>
<div class="topic">
<h3>IPN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09454#id09454" onclick="sync(this);return true" shape="rect">See IP network</a></p>
</div>


<a name="p2xhtm-repid-8555" shape="rect"></a>
<div class="topic">
<h3>IPoA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013762#id013762" onclick="sync(this);return true" shape="rect">See IP over ATM</a></p>
</div>


<a name="p2xhtm-repid-8556" shape="rect"></a>
<div class="topic">
<h3>IPOA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013762#id013762" onclick="sync(this);return true" shape="rect">See IP over ATM</a></p>
</div>


<a name="p2xhtm-repid-8557" shape="rect"></a>
<div class="topic">
<h3>IPOA interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014816#id014816" onclick="sync(this);return true" shape="rect">See IP-over-ATM interface</a></p>
</div>


<a name="p2xhtm-repid-8558" shape="rect"></a>
<div class="topic">
<h3>IPoA interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014816#id014816" onclick="sync(this);return true" shape="rect">See IP-over-ATM interface</a></p>
</div>


<a name="p2xhtm-repid-8559" shape="rect"></a>
<div class="topic">
<h3>IPSA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014028#id014028" onclick="sync(this);return true" shape="rect">See IP-based service architecture</a></p>
</div>


<a name="id014029" shape="rect"></a>
<div class="topic">
<h3>IPSA requirements for HSS, CPS, SPD</h3>

<p>feature which states the requirements for 3G network elements to support IP-based service architecture (IPSA)</p>
</div>


<a name="p2xhtm-repid-8561" shape="rect"></a>
<div class="topic">
<h3>IPSEC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09979#id09979" onclick="sync(this);return true" shape="rect">See Internet protocol security</a></p>
</div>


<a name="p2xhtm-repid-8562" shape="rect"></a>
<div class="topic">
<h3>IPSec</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09979#id09979" onclick="sync(this);return true" shape="rect">See Internet protocol security</a></p>
</div>


<a name="p2xhtm-repid-8563" shape="rect"></a>
<div class="topic">
<h3>IPSEC DOI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015108#id015108" onclick="sync(this);return true" shape="rect">See IPSec domain of interpretation</a></p>
</div>


<a name="id015108" shape="rect"></a>
<div class="topic">
<h3>IPSec domain of interpretation; <em>domain of interpretation</em>; <em>IPSEC DOI</em>; <em>DOI</em></h3>

<p>protocol which is used to group related protocols using Internet security association and the key management protocol (ISAKMP) to negotiate security associations</p>
</div>


<a name="p2xhtm-repid-8565" shape="rect"></a>
<div class="topic">
<h3>IPSec PIB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018545#id018545" onclick="sync(this);return true" shape="rect">See IPSec policy information base</a></p>
</div>


<a name="id018545" shape="rect"></a>
<div class="topic">
<h3>IPSec policy information base; <em>IPSec PIB</em></h3>

<p>policy information base that contains the instances of provisioning classes for configuring IPSec services</p>
</div>


<a name="id020326" shape="rect"></a>
<div class="topic">
<h3>IPSec policy manager; <em>IPM</em></h3>

<p>module for IP security policy management</p>
</div>


<a name="id016605" shape="rect"></a>
<div class="topic">
<h3>Ipsilon routing daemon; <em>IPSRD</em></h3>

<p>Nokia-proprietary routing software of the IPSO platform that implements routing policies</p>
</div>


<a name="p2xhtm-repid-8569" shape="rect"></a>
<div class="topic">
<h3>IPSO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017068#id017068" onclick="sync(this);return true" shape="rect">See IPSO operating system</a></p>
</div>


<a name="p2xhtm-repid-8570" shape="rect"></a>
<div class="topic">
<h3>IPSO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017069#id017069" onclick="sync(this);return true" shape="rect">See Internet protocol security option</a></p>
</div>


<a name="p2xhtm-repid-8571" shape="rect"></a>
<div class="topic">
<h3>IPSO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09983#id09983" onclick="sync(this);return true" shape="rect">See IPSO platform</a></p>
</div>


<a name="id017068" shape="rect"></a>
<div class="topic">
<h3>IPSO operating system; <em>IPSO</em></h3>

<p>operating system used in IP routing on border gateways, routers, and GPRS support nodes (GSN)</p>
</div>


<a name="id09983" shape="rect"></a>
<div class="topic">
<h3>IPSO platform; <em>IPSO</em></h3>

<p>software platform used in IP routers and GPRS support nodes</p>
</div>


<a name="p2xhtm-repid-8574" shape="rect"></a>
<div class="topic">
<h3>IPSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015165#id015165" onclick="sync(this);return true" shape="rect">See IP server process</a></p>
</div>


<a name="p2xhtm-repid-8575" shape="rect"></a>
<div class="topic">
<h3>IPSRD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016605#id016605" onclick="sync(this);return true" shape="rect">See Ipsilon routing daemon</a></p>
</div>


<a name="p2xhtm-repid-8576" shape="rect"></a>
<div class="topic">
<h3>IPSS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017007#id017007" onclick="sync(this);return true" shape="rect">See IP service subsystem</a></p>
</div>


<a name="id016407" shape="rect"></a>
<div class="topic">
<h3>IPSTCL</h3>

<p>variation of TCL script language</p>
</div>


<a name="p2xhtm-repid-8578" shape="rect"></a>
<div class="topic">
<h3>IPSW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09984#id09984" onclick="sync(this);return true" shape="rect">See IP switch</a></p>
</div>


<a name="p2xhtm-repid-8579" shape="rect"></a>
<div class="topic">
<h3>IPT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010833#id010833" onclick="sync(this);return true" shape="rect">See voice over IP</a></p>
</div>


<a name="p2xhtm-repid-8580" shape="rect"></a>
<div class="topic">
<h3>IPT cgr</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015721#id015721" onclick="sync(this);return true" shape="rect">See IPT circuit group</a></p>
</div>


<a name="id015721" shape="rect"></a>
<div class="topic">
<h3>IPT circuit group; <em>IPT cgr</em></h3>

<p>circuit group that does not contain any circuits but contains an index to the IP Entity Information File (IEIFIL), parameters for an incoming call, and a link to a unique IPET route instead, and is used for routing via IP</p>
</div>


<a name="p2xhtm-repid-8582" shape="rect"></a>
<div class="topic">
<h3>IPT gateway</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012601#id012601" onclick="sync(this);return true" shape="rect">See IP telephony gateway</a></p>
</div>


<a name="p2xhtm-repid-8583" shape="rect"></a>
<div class="topic">
<h3>IPT GW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012601#id012601" onclick="sync(this);return true" shape="rect">See IP telephony gateway</a></p>
</div>


<a name="p2xhtm-repid-8584" shape="rect"></a>
<div class="topic">
<h3>IPT platform</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013422#id013422" onclick="sync(this);return true" shape="rect">See IP platform</a></p>
</div>


<a name="id014030" shape="rect"></a>
<div class="topic">
<h3>IPT protocol statistics</h3>

<p>feature which consists of mobile application part (MAP) measurements and session initiation protocol (SIP) monitoring based on the output of erroneous and traced SIP messages in the Network Element Management Unit (NEMU) database</p>
</div>


<a name="p2xhtm-repid-8586" shape="rect"></a>
<div class="topic">
<h3>IPTE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014106#id014106" onclick="sync(this);return true" shape="rect">See IP terminal equipment</a></p>
</div>


<a name="p2xhtm-repid-8587" shape="rect"></a>
<div class="topic">
<h3>IPTI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014812#id014812" onclick="sync(this);return true" shape="rect">See inter-PDU transmission interval</a></p>
</div>


<a name="p2xhtm-repid-8588" shape="rect"></a>
<div class="topic">
<h3>IPv4</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09980#id09980" onclick="sync(this);return true" shape="rect">See Internet protocol version 4</a></p>
</div>


<a name="p2xhtm-repid-8589" shape="rect"></a>
<div class="topic">
<h3>IPv6</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09981#id09981" onclick="sync(this);return true" shape="rect">See Internet protocol version 6</a></p>
</div>


<a name="id014817" shape="rect"></a>
<div class="topic">
<h3>IPv6 control protocol; <em>IPV6CP</em></h3>

<p>protocol for configuring, enabling, and disabling the IPv6 protocol modules at both ends of the point-to-point link</p>
</div>


<a name="id016443" shape="rect"></a>
<div class="topic">
<h3>IPv6 in IPv4</h3>

<p>Internet protocol version 6 (IPv6) access point connection type where IPv6 traffic is tunnelled to the remote internet protocol version 4 (IPv4) tunnel endpoint</p>
</div>


<a name="id019425" shape="rect"></a>
<div class="topic">
<h3>IPv6 Linux distribution; <em>IP6L</em></h3>

<p>Internet protocol version 6 (IPv6) protocol stack for the Linux system</p>
</div>


<a name="p2xhtm-repid-8593" shape="rect"></a>
<div class="topic">
<h3>IPV6CP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014817#id014817" onclick="sync(this);return true" shape="rect">See IPv6 control protocol</a></p>
</div>


<a name="p2xhtm-repid-8594" shape="rect"></a>
<div class="topic">
<h3>IPX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09978#id09978" onclick="sync(this);return true" shape="rect">See Internet packet exchange</a></p>
</div>


<a name="p2xhtm-repid-8595" shape="rect"></a>
<div class="topic">
<h3>IR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0361#id0361" onclick="sync(this);return true" shape="rect">See interrupt request</a></p>
</div>


<a name="p2xhtm-repid-8596" shape="rect"></a>
<div class="topic">
<h3>IRATHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010124#id010124" onclick="sync(this);return true" shape="rect">See inter-system handover</a></p>
</div>


<a name="p2xhtm-repid-8597" shape="rect"></a>
<div class="topic">
<h3>IRC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010675#id010675" onclick="sync(this);return true" shape="rect">See Internet relay chat</a></p>
</div>


<a name="p2xhtm-repid-8598" shape="rect"></a>
<div class="topic">
<h3>IRDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016732#id016732" onclick="sync(this);return true" shape="rect">See ICMP router discovery protocol</a></p>
</div>


<a name="p2xhtm-repid-8599" shape="rect"></a>
<div class="topic">
<h3>IRHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010124#id010124" onclick="sync(this);return true" shape="rect">See inter-system handover</a></p>
</div>


<a name="p2xhtm-repid-8600" shape="rect"></a>
<div class="topic">
<h3>IRP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014577#id014577" onclick="sync(this);return true" shape="rect">See integration reference point</a></p>
</div>


<a name="id012775" shape="rect"></a>
<div class="topic">
<h3>IRP information model; <em>integration reference point information model</em></h3>

<p>information model consisting of an IRP information service and a network resource model</p>
</div>


<a name="id012776" shape="rect"></a>
<div class="topic">
<h3>IRP information service; <em>integration reference point information service</em></h3>

<p>information service that describes the information flow and support objects for a certain functional area</p>
</div>


<a name="id012777" shape="rect"></a>
<div class="topic">
<h3>IRP solution set; <em>integration reference point solution set</em></h3>

<p>solution set that is a mapping of the IRP information service to a technology</p>
</div>


<a name="p2xhtm-repid-8604" shape="rect"></a>
<div class="topic">
<h3>IRQ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0361#id0361" onclick="sync(this);return true" shape="rect">See interrupt request</a></p>
</div>


<a name="p2xhtm-repid-8605" shape="rect"></a>
<div class="topic">
<h3>IRS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012267#id012267" onclick="sync(this);return true" shape="rect">See identification response message</a></p>
</div>


<a name="p2xhtm-repid-8606" shape="rect"></a>
<div class="topic">
<h3>IS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016870#id016870" onclick="sync(this);return true" shape="rect">See information system</a></p>
</div>


<a name="p2xhtm-repid-8607" shape="rect"></a>
<div class="topic">
<h3>IS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06952#id06952" onclick="sync(this);return true" shape="rect">See intermediate system</a></p>
</div>


<a name="p2xhtm-repid-8608" shape="rect"></a>
<div class="topic">
<h3>IS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09019#id09019" onclick="sync(this);return true" shape="rect">See intelligent shutdown</a></p>
</div>


<a name="p2xhtm-repid-8609" shape="rect"></a>
<div class="topic">
<h3>IS client interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020703#id020703" onclick="sync(this);return true" shape="rect">See Industry Consortium client interface</a></p>
</div>


<a name="p2xhtm-repid-8610" shape="rect"></a>
<div class="topic">
<h3>IS client-server interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020703#id020703" onclick="sync(this);return true" shape="rect">See Industry Consortium client interface</a></p>
</div>


<a name="id012014" shape="rect"></a>
<div class="topic">
<h3>IS-136</h3>

<p>2nd generation TDMA standard elaborated by Telecommunications Industry Association (TIA)</p>
</div>


<a name="p2xhtm-repid-8612" shape="rect"></a>
<div class="topic">
<h3>IS-2000 Revision C</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020398#id020398" onclick="sync(this);return true" shape="rect">See CDMA2000 1XEV-DV</a></p>
</div>


<a name="id012015" shape="rect"></a>
<div class="topic">
<h3>IS-41</h3>

<p>set of EIA/TIA standards defining signalling and handover rules among dissimilar systems to create a seamless network</p>
</div>


<a name="id012016" shape="rect"></a>
<div class="topic">
<h3>IS-95</h3>

<p>2nd generation code division multiple access (CDMA) standard elaborated by Telecommunications Industry Association (TIA)</p>
</div>


<a name="p2xhtm-repid-8615" shape="rect"></a>
<div class="topic">
<h3>IS-IS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06947#id06947" onclick="sync(this);return true" shape="rect">See intermediate system to intermediate system routing protocol</a></p>
</div>


<a name="p2xhtm-repid-8616" shape="rect"></a>
<div class="topic">
<h3>IS-IS hello</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011805#id011805" onclick="sync(this);return true" shape="rect">See intermediate system to intermediate system hello</a></p>
</div>


<a name="p2xhtm-repid-8617" shape="rect"></a>
<div class="topic">
<h3>IS-IS protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06947#id06947" onclick="sync(this);return true" shape="rect">See intermediate system to intermediate system routing protocol</a></p>
</div>


<a name="p2xhtm-repid-8618" shape="rect"></a>
<div class="topic">
<h3>IS-NCCRS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016172#id016172" onclick="sync(this);return true" shape="rect">See inter-system network-controlled cell re-selection</a></p>
</div>


<a name="p2xhtm-repid-8619" shape="rect"></a>
<div class="topic">
<h3>ISAF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020719#id020719" onclick="sync(this);return true" shape="rect">See Industry Consortium adaptation function</a></p>
</div>


<a name="p2xhtm-repid-8620" shape="rect"></a>
<div class="topic">
<h3>ISAKMP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09982#id09982" onclick="sync(this);return true" shape="rect">See Internet security association and key management protocol</a></p>
</div>


<a name="p2xhtm-repid-8621" shape="rect"></a>
<div class="topic">
<h3>ISC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020413#id020413" onclick="sync(this);return true" shape="rect">See intelligent service configurator</a></p>
</div>


<a name="p2xhtm-repid-8622" shape="rect"></a>
<div class="topic">
<h3>ISC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09731#id09731" onclick="sync(this);return true" shape="rect">See internal service category</a></p>
</div>


<a name="p2xhtm-repid-8623" shape="rect"></a>
<div class="topic">
<h3>ISC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05092#id05092" onclick="sync(this);return true" shape="rect">See international exchange</a></p>
</div>


<a name="p2xhtm-repid-8624" shape="rect"></a>
<div class="topic">
<h3>ISC interface</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017004#id017004" onclick="sync(this);return true" shape="rect">See IP multimedia service control interface</a></p>
</div>


<a name="id020809" shape="rect"></a>
<div class="topic">
<h3>ISC repository</h3>

<p>database on the ISC server that stores the service data in the ICD service directory (ISD)</p>
</div>


<a name="id020811" shape="rect"></a>
<div class="topic">
<h3>ISC service model</h3>

<p>abstract definition of a service in terms of templates and their relationships</p>
</div>


<a name="p2xhtm-repid-8627" shape="rect"></a>
<div class="topic">
<h3>ISCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011432#id011432" onclick="sync(this);return true" shape="rect">See interference signal code power</a></p>
</div>


<a name="p2xhtm-repid-8628" shape="rect"></a>
<div class="topic">
<h3>ISCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015409#id015409" onclick="sync(this);return true" shape="rect">See integrated service control point</a></p>
</div>


<a name="p2xhtm-repid-8629" shape="rect"></a>
<div class="topic">
<h3>ISD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020409#id020409" onclick="sync(this);return true" shape="rect">See ICD service directory</a></p>
</div>


<a name="p2xhtm-repid-8630" shape="rect"></a>
<div class="topic">
<h3>ISDN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0100#id0100" onclick="sync(this);return true" shape="rect">See integrated services digital network</a></p>
</div>


<a name="id011239" shape="rect"></a>
<div class="topic">
<h3>ISDN Abis</h3>

<p>feature that utilises the existing integrated services digital network (ISDN) to establish an ISDN connection between the base station and the base station controller</p>
</div>


<a name="id012723" shape="rect"></a>
<div class="topic">
<h3>ISDN access</h3>

<p>point in an ISDN network which has an interface for terminal equipment</p>
</div>


<a name="id012277" shape="rect"></a>
<div class="topic">
<h3>ISDN access indicator</h3>

<p>indicator sent in either direction indicating whether the access signalling protocol is ISDN</p>
</div>


<a name="p2xhtm-repid-8634" shape="rect"></a>
<div class="topic">
<h3>ISDN basic access</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04794#id04794" onclick="sync(this);return true" shape="rect">See basic access</a></p>
</div>


<a name="p2xhtm-repid-8635" shape="rect"></a>
<div class="topic">
<h3>ISDN BCIE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013119#id013119" onclick="sync(this);return true" shape="rect">See ISDN bearer capability information element</a></p>
</div>


<a name="id013119" shape="rect"></a>
<div class="topic">
<h3>ISDN bearer capability information element; <em>ISDN BCIE</em></h3>

<p>bearer capability information element (BCIE) from the ISDN network, including a set of signalling parameters packed by the trunk signalling, or by the A interface signalling program in a mobile-originated data call</p>
</div>


<a name="id03613" shape="rect"></a>
<div class="topic">
<h3>ISDN connection</h3>

<p>connection that is established through an ISDN between specified ISDN interfaces</p>
</div>


<a name="id03990" shape="rect"></a>
<div class="topic">
<h3>ISDN connection attribute; <em>connection attribute</em></h3>

<p>specified characteristic of an ISDN connection</p>
</div>


<a name="id03696" shape="rect"></a>
<div class="topic">
<h3>ISDN connection element; <em>connection element</em></h3>

<p>part of an ISDN connection which has stated values of one or more ISDN connection attributes</p>
</div>


<a name="id07526" shape="rect"></a>
<div class="topic">
<h3>ISDN customer access</h3>

<p>equipment providing the concatenation of all functional groups relevant to an individual or group of related access connection elements</p>
</div>


<a name="id013546" shape="rect"></a>
<div class="topic">
<h3>ISDN digital subscriber line; <em>IDSL</em></h3>

<p>xDSL service based on the use of standard ISDN 2B+D transmission technology</p>
</div>


<a name="id04841" shape="rect"></a>
<div class="topic">
<h3>ISDN freephone service; <em>IFS</em></h3>

<p>service which enables a subscriber, in one country, to be allocated one or more special telephone numbers in one or more countries which allow users in this or these countries to call the subscriber free of charge</p>
</div>


<a name="id012736" shape="rect"></a>
<div class="topic">
<h3>ISDN internal call without charging</h3>

<p>feature which can be used to make internal calls free-of-charge inside ISDN access</p>
</div>


<a name="p2xhtm-repid-8644" shape="rect"></a>
<div class="topic">
<h3>ISDN local exchange</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07527#id07527" onclick="sync(this);return true" shape="rect">See local exchange</a></p>
</div>


<a name="id05754" shape="rect"></a>
<div class="topic">
<h3>ISDN number</h3>

<p>part of the called subscriber's address which is sent by the calling subscriber and which the network recognises</p>
</div>


<a name="id011806" shape="rect"></a>
<div class="topic">
<h3>ISDN number for network element</h3>

<p>unique number by which each network element is identified</p>
</div>


<a name="p2xhtm-repid-8647" shape="rect"></a>
<div class="topic">
<h3>ISDN PABX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03152#id03152" onclick="sync(this);return true" shape="rect">See integrated services digital PABX</a></p>
</div>


<a name="p2xhtm-repid-8648" shape="rect"></a>
<div class="topic">
<h3>ISDN primary access signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08799#id08799" onclick="sync(this);return true" shape="rect">See ISDN primary access signalling</a></p>
</div>


<a name="id08799" shape="rect"></a>
<div class="topic">
<h3>ISDN primary access signalling; <em>ISDN primary rate signalling</em>; <em>ISDN primary access signaling /US/</em>; <em>ISDN primary rate signaling /US/</em></h3>

<p>signalling that allows messaging between an exchange and an integrated services digital private automatic branch exchange (PABX)</p>
</div>


<a name="p2xhtm-repid-8650" shape="rect"></a>
<div class="topic">
<h3>ISDN primary rate signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08799#id08799" onclick="sync(this);return true" shape="rect">See ISDN primary access signalling</a></p>
</div>


<a name="p2xhtm-repid-8651" shape="rect"></a>
<div class="topic">
<h3>ISDN primary rate signalling</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08799#id08799" onclick="sync(this);return true" shape="rect">See ISDN primary access signalling</a></p>
</div>


<a name="id020915" shape="rect"></a>
<div class="topic">
<h3>ISDN Q.921-user adaptation layer; <em>ISDN user adaptation layer protocol</em>; <em>IUA</em></h3>

<p>SIGTRAN protocol for backhauling ISDN Q.921 user messages over the Internet protocol (IP) by using the stream control transmission protocol (SCTP)</p>
</div>


<a name="id08676" shape="rect"></a>
<div class="topic">
<h3>ISDN splitter</h3>

<p>passive or active filter that separates ISDN traffic from high-speed ADSL traffic</p>
</div>


<a name="p2xhtm-repid-8654" shape="rect"></a>
<div class="topic">
<h3>ISDN user adaptation layer protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020915#id020915" onclick="sync(this);return true" shape="rect">See ISDN Q.921-user adaptation layer</a></p>
</div>


<a name="id03242" shape="rect"></a>
<div class="topic">
<h3>ISDN user part; <em>integrated services user part</em>; <em>integrated services digital user part</em>; <em>ISUP</em>; <em>ISDN-UP</em></h3>

<p>protocol of signalling system No. 7 which provides the signalling functions necessary for basic bearer services and supplementary services for voice and non-voice applications in the ISDN</p>
</div>


<a name="id012278" shape="rect"></a>
<div class="topic">
<h3>ISDN user part indicator</h3>

<p>indicator sent in either direction to indicate that the ISDN user part is used in all preceding parts of the network connection</p>
</div>


<a name="id011054" shape="rect"></a>
<div class="topic">
<h3>ISDN user part preference indicator; <em>ISDN user preference indicator</em></h3>

<p>indicator which indicates whether the ISDN user part is required or preferred in all parts of the network connection</p>
</div>


<a name="p2xhtm-repid-8658" shape="rect"></a>
<div class="topic">
<h3>ISDN user part signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08800#id08800" onclick="sync(this);return true" shape="rect">See ISUP signalling</a></p>
</div>


<a name="p2xhtm-repid-8659" shape="rect"></a>
<div class="topic">
<h3>ISDN user part signalling</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08800#id08800" onclick="sync(this);return true" shape="rect">See ISUP signalling</a></p>
</div>


<a name="p2xhtm-repid-8660" shape="rect"></a>
<div class="topic">
<h3>ISDN user preference indicator</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011054#id011054" onclick="sync(this);return true" shape="rect">See ISDN user part preference indicator</a></p>
</div>


<a name="p2xhtm-repid-8661" shape="rect"></a>
<div class="topic">
<h3>ISDN-UP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03242#id03242" onclick="sync(this);return true" shape="rect">See ISDN user part</a></p>
</div>


<a name="p2xhtm-repid-8662" shape="rect"></a>
<div class="topic">
<h3>ISG</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015410#id015410" onclick="sync(this);return true" shape="rect">See Internet services gateway</a></p>
</div>


<a name="p2xhtm-repid-8663" shape="rect"></a>
<div class="topic">
<h3>ISH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011803#id011803" onclick="sync(this);return true" shape="rect">See intermediate system hello</a></p>
</div>


<a name="p2xhtm-repid-8664" shape="rect"></a>
<div class="topic">
<h3>ISHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010124#id010124" onclick="sync(this);return true" shape="rect">See inter-system handover</a></p>
</div>


<a name="p2xhtm-repid-8665" shape="rect"></a>
<div class="topic">
<h3>ISIM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017055#id017055" onclick="sync(this);return true" shape="rect">See IM services identity module</a></p>
</div>


<a name="p2xhtm-repid-8666" shape="rect"></a>
<div class="topic">
<h3>ISMG</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019767#id019767" onclick="sync(this);return true" shape="rect">See integrated short message gateway</a></p>
</div>


<a name="p2xhtm-repid-8667" shape="rect"></a>
<div class="topic">
<h3>ISN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020038#id020038" onclick="sync(this);return true" shape="rect">See intelligent service node</a></p>
</div>


<a name="p2xhtm-repid-8668" shape="rect"></a>
<div class="topic">
<h3>ISN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0339#id0339" onclick="sync(this);return true" shape="rect">See international number</a></p>
</div>


<a name="p2xhtm-repid-8669" shape="rect"></a>
<div class="topic">
<h3>ISN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03767#id03767" onclick="sync(this);return true" shape="rect">See integrated services network</a></p>
</div>


<a name="p2xhtm-repid-8670" shape="rect"></a>
<div class="topic">
<h3>ISO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0340#id0340" onclick="sync(this);return true" shape="rect">See International Organization for Standardization</a></p>
</div>


<a name="id013878" shape="rect"></a>
<div class="topic">
<h3>ISO 8583 protocol</h3>

<p>protocol based on ISO standard 8583 that defines signalling in financial transactions</p>
</div>


<a name="id010853" shape="rect"></a>
<div class="topic">
<h3>ISO internet protocol; <em>ISO IP</em></h3>

<p>connectionless network protocol used for sending messages to the broadcasting network</p>
</div>


<a name="p2xhtm-repid-8673" shape="rect"></a>
<div class="topic">
<h3>ISO IP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010853#id010853" onclick="sync(this);return true" shape="rect">See ISO internet protocol</a></p>
</div>


<a name="id013120" shape="rect"></a>
<div class="topic">
<h3>ISO virtual terminal; <em>ISO VT</em></h3>

<p>service element of the application layer of the OSI model providing services for the interactive transfer and management of character-based data</p>
</div>


<a name="p2xhtm-repid-8675" shape="rect"></a>
<div class="topic">
<h3>ISO VT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013120#id013120" onclick="sync(this);return true" shape="rect">See ISO virtual terminal</a></p>
</div>


<a name="p2xhtm-repid-8676" shape="rect"></a>
<div class="topic">
<h3>ISO VT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09926#id09926" onclick="sync(this);return true" shape="rect">See virtual terminal protocol</a></p>
</div>


<a name="id018645" shape="rect"></a>
<div class="topic">
<h3>ISO-2022-JP</h3>

<p>character encoding method based on ISO-2022, used for handling a mixture of ASCII and JIS X 0208</p>
</div>


<a name="id018646" shape="rect"></a>
<div class="topic">
<h3>ISO-2022-JP-1</h3>

<p>character encoding method based on ISO-2022, used for handling JIS X 0212-1990</p>
</div>


<a name="id018647" shape="rect"></a>
<div class="topic">
<h3>ISO-2022-JP-2</h3>

<p>character encoding method based on ISO-2022, used for handling JIS X 0212-1990 and other character sets such as GB 2312-80, KS X 1001:1992, and two parts of ISO 8859</p>
</div>


<a name="id018644" shape="rect"></a>
<div class="topic">
<h3>ISO-2022:1994</h3>

<p>ISO standard that forms the foundation for ISO-2022 and extended UNIX code (EUC) encodings</p>
</div>


<a name="id0274" shape="rect"></a>
<div class="topic">
<h3>isochronous</h3>

<p>essential characteristic of signals such that the time intervals between consecutive significant instants either have the same duration or durations that are integral multiples of the shortest duration</p>
</div>


<a name="id04292" shape="rect"></a>
<div class="topic">
<h3>isolation</h3>

<p>state where other events may not use the results of an unfinished event</p>
</div>


<a name="p2xhtm-repid-8683" shape="rect"></a>
<div class="topic">
<h3>isotropic antenna</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06167#id06167" onclick="sync(this);return true" shape="rect">See isotropic radiator</a></p>
</div>


<a name="id06167" shape="rect"></a>
<div class="topic">
<h3>isotropic radiator; <em>isotropic antenna</em></h3>

<p>imaginary aerial which radiates uniformly in all directions</p>
</div>


<a name="p2xhtm-repid-8685" shape="rect"></a>
<div class="topic">
<h3>ISP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04351#id04351" onclick="sync(this);return true" shape="rect">See international signalling point</a></p>
</div>


<a name="p2xhtm-repid-8686" shape="rect"></a>
<div class="topic">
<h3>ISP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05909#id05909" onclick="sync(this);return true" shape="rect">See intermediate service part</a></p>
</div>


<a name="p2xhtm-repid-8687" shape="rect"></a>
<div class="topic">
<h3>ISP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08677#id08677" onclick="sync(this);return true" shape="rect">See Internet service provider</a></p>
</div>


<a name="p2xhtm-repid-8688" shape="rect"></a>
<div class="topic">
<h3>ISP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013838#id013838" onclick="sync(this);return true" shape="rect">See Internet selective polling address</a></p>
</div>


<a name="id013978" shape="rect"></a>
<div class="topic">
<h3>ISP roaming</h3>

<p>roaming among groups of internet service providers (ISP)</p>
</div>


<a name="p2xhtm-repid-8690" shape="rect"></a>
<div class="topic">
<h3>ISPABX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03152#id03152" onclick="sync(this);return true" shape="rect">See integrated services digital PABX</a></p>
</div>


<a name="p2xhtm-repid-8691" shape="rect"></a>
<div class="topic">
<h3>ISPBX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03152#id03152" onclick="sync(this);return true" shape="rect">See integrated services digital PABX</a></p>
</div>


<a name="p2xhtm-repid-8692" shape="rect"></a>
<div class="topic">
<h3>ISR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02411#id02411" onclick="sync(this);return true" shape="rect">See interrupt handler</a></p>
</div>


<a name="p2xhtm-repid-8693" shape="rect"></a>
<div class="topic">
<h3>ISRM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010776#id010776" onclick="sync(this);return true" shape="rect">See initial service request message</a></p>
</div>


<a name="id014657" shape="rect"></a>
<div class="topic">
<h3>issuer; <em>issuer of the certificate</em></h3>

<p>party that supplies a certificate and defines the signer of the certificate (usually a certification authority)</p>
</div>


<a name="p2xhtm-repid-8695" shape="rect"></a>
<div class="topic">
<h3>issuer of the certificate</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014657#id014657" onclick="sync(this);return true" shape="rect">See issuer</a></p>
</div>


<a name="id010445" shape="rect"></a>
<div class="topic">
<h3>issuing point; <em>trigger issuing point</em>; <em>acquisition point</em>; <em>receiving point</em></h3>

<p>point in the call set-up phase where the call control finds the trigger in the received data</p>
</div>


<a name="p2xhtm-repid-8697" shape="rect"></a>
<div class="topic">
<h3>IST</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013105#id013105" onclick="sync(this);return true" shape="rect">See immediate service termination</a></p>
</div>


<a name="p2xhtm-repid-8698" shape="rect"></a>
<div class="topic">
<h3>ISUP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03242#id03242" onclick="sync(this);return true" shape="rect">See ISDN user part</a></p>
</div>


<a name="p2xhtm-repid-8699" shape="rect"></a>
<div class="topic">
<h3>ISUP signaling /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08800#id08800" onclick="sync(this);return true" shape="rect">See ISUP signalling</a></p>
</div>


<a name="id08800" shape="rect"></a>
<div class="topic">
<h3>ISUP signalling; <em>ISDN user part signalling</em>; <em>ISUP signaling /US/</em>; <em>ISDN user part signaling /US/</em></h3>

<p>signalling that enables signalling between an exchange and ISDN user part through the message transfer part which is used for implementation of basic and supplementary services of ISDN</p>
</div>


<a name="p2xhtm-repid-8701" shape="rect"></a>
<div class="topic">
<h3>ISV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010844#id010844" onclick="sync(this);return true" shape="rect">See independent software vendor</a></p>
</div>


<a name="p2xhtm-repid-8702" shape="rect"></a>
<div class="topic">
<h3>ISW module</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015436#id015436" onclick="sync(this);return true" shape="rect">See interswitch module</a></p>
</div>


<a name="p2xhtm-repid-8703" shape="rect"></a>
<div class="topic">
<h3>ITC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013755#id013755" onclick="sync(this);return true" shape="rect">See independent transmit clock configuration</a></p>
</div>


<a name="id09519" shape="rect"></a>
<div class="topic">
<h3>itemised bill; <em>itemized bill /US/</em></h3>

<p>detailed statement sent to a subscriber, which indicates call-specific data with desired accuracy</p>
</div>


<a name="p2xhtm-repid-8705" shape="rect"></a>
<div class="topic">
<h3>itemised billing of calls</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09519#id09519" onclick="sync(this);return true" shape="rect">See itemised bill</a></p>
</div>


<a name="p2xhtm-repid-8706" shape="rect"></a>
<div class="topic">
<h3>itemized bill /US/</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09519#id09519" onclick="sync(this);return true" shape="rect">See itemised bill</a></p>
</div>


<a name="p2xhtm-repid-8707" shape="rect"></a>
<div class="topic">
<h3>ITI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014823#id014823" onclick="sync(this);return true" shape="rect">See Iu timing interval</a></p>
</div>


<a name="p2xhtm-repid-8708" shape="rect"></a>
<div class="topic">
<h3>ITN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020654#id020654" onclick="sync(this);return true" shape="rect">See integrated transmission node</a></p>
</div>


<a name="id016149" shape="rect"></a>
<div class="topic">
<h3>ITRAU</h3>

<p>application layer protocol between a circuit switched gateway (CSGW) and base station gateway (BSGW)</p>
</div>


<a name="p2xhtm-repid-8710" shape="rect"></a>
<div class="topic">
<h3>ITT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016941#id016941" onclick="sync(this);return true" shape="rect">See incoming traffic treatment</a></p>
</div>


<a name="p2xhtm-repid-8711" shape="rect"></a>
<div class="topic">
<h3>ITU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04638#id04638" onclick="sync(this);return true" shape="rect">See International Telecommunication Union</a></p>
</div>


<a name="id0338" shape="rect"></a>
<div class="topic">
<h3>ITU Telecommunication Standardization Sector; <em>ITU-T</em></h3>

<p>permanent organ of the International Telecommunication Union responsible for studying technical, operating and tariff questions and for issuing Recommendations on them with a view of standardising telecommunications on a worldwide basis</p>
</div>


<a name="p2xhtm-repid-8713" shape="rect"></a>
<div class="topic">
<h3>ITU-T</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0338#id0338" onclick="sync(this);return true" shape="rect">See ITU Telecommunication Standardization Sector</a></p>
</div>


<a name="p2xhtm-repid-8714" shape="rect"></a>
<div class="topic">
<h3>ITU-T No. 7</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03933#id03933" onclick="sync(this);return true" shape="rect">See signalling system No.7</a></p>
</div>


<a name="p2xhtm-repid-8715" shape="rect"></a>
<div class="topic">
<h3>ITU-TS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0338#id0338" onclick="sync(this);return true" shape="rect">See ITU Telecommunication Standardization Sector</a></p>
</div>


<a name="p2xhtm-repid-8716" shape="rect"></a>
<div class="topic">
<h3>ITUP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015889#id015889" onclick="sync(this);return true" shape="rect">See international telephone user part</a></p>
</div>


<a name="p2xhtm-repid-8717" shape="rect"></a>
<div class="topic">
<h3>Iu</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010080#id010080" onclick="sync(this);return true" shape="rect">See Iu interface</a></p>
</div>


<a name="p2xhtm-repid-8718" shape="rect"></a>
<div class="topic">
<h3>IU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01895#id01895" onclick="sync(this);return true" shape="rect">See input unit</a></p>
</div>


<a name="p2xhtm-repid-8719" shape="rect"></a>
<div class="topic">
<h3>IU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07423#id07423" onclick="sync(this);return true" shape="rect">See indoor unit</a></p>
</div>


<a name="id010080" shape="rect"></a>
<div class="topic">
<h3>Iu interface; <em>Iu</em></h3>

<p>interface between the radio network controller (RNC) and the core network</p>
</div>


<a name="id014870" shape="rect"></a>
<div class="topic">
<h3>Iu rate control procedure; <em>rate control</em>; <em>RC</em></h3>

<p>procedure for signalling to the peer Iu user plane (UP) protocol layer the maximum rate over Iu in the direction reverse to the sent rate control frame</p>
</div>


<a name="p2xhtm-repid-8722" shape="rect"></a>
<div class="topic">
<h3>Iu release</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014821#id014821" onclick="sync(this);return true" shape="rect">See Iu release procedure</a></p>
</div>


<a name="id014821" shape="rect"></a>
<div class="topic">
<h3>Iu release procedure; <em>Iu release</em></h3>

<p>elementary procedure for enabling the core network to release the Iu connection and all the radio access network resources related to it</p>
</div>


<a name="p2xhtm-repid-8724" shape="rect"></a>
<div class="topic">
<h3>Iu release request</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014822#id014822" onclick="sync(this);return true" shape="rect">See Iu release request procedure</a></p>
</div>


<a name="id014822" shape="rect"></a>
<div class="topic">
<h3>Iu release request procedure; <em>Iu release request</em></h3>

<p>elementary procedure for enabling the radio access network (RAN) to request the core network to release the Iu connection for a particular mobile station due to some RAN originating reason</p>
</div>


<a name="id014823" shape="rect"></a>
<div class="topic">
<h3>Iu timing interval; <em>ITI</em></h3>

<p>minimum time interval between sent Iu user plane (UP) protocol data units (PDU) for a specific radio access bearer (RAB)</p>
</div>


<a name="id014824" shape="rect"></a>
<div class="topic">
<h3>Iu transport association</h3>

<p>information element (IE) that associates the radio access bearer (RAB) and the corresponding user plane connection</p>
</div>


<a name="p2xhtm-repid-8728" shape="rect"></a>
<div class="topic">
<h3>Iu UP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014825#id014825" onclick="sync(this);return true" shape="rect">See Iu user plane protocol</a></p>
</div>


<a name="p2xhtm-repid-8729" shape="rect"></a>
<div class="topic">
<h3>Iu UP protocol</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014825#id014825" onclick="sync(this);return true" shape="rect">See Iu user plane protocol</a></p>
</div>


<a name="id014825" shape="rect"></a>
<div class="topic">
<h3>Iu user plane protocol; <em>Iu UP protocol</em>; <em>Iu UP</em></h3>

<p>protocol used in the Iu interface to transfer the user plane data</p>
</div>


<a name="p2xhtm-repid-8731" shape="rect"></a>
<div class="topic">
<h3>Iu'</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016130#id016130" onclick="sync(this);return true" shape="rect">See Iu' interface</a></p>
</div>


<a name="id016130" shape="rect"></a>
<div class="topic">
<h3>Iu' interface; <em>Iu'</em></h3>

<p>interface between a radio network access server (RNAS), radio network gateway (RNGW), or circuit switched gateway (CSGW) and an IP base station(IP-BTS) for the Iu-interface-based traffic</p>
</div>


<a name="p2xhtm-repid-8733" shape="rect"></a>
<div class="topic">
<h3>Iu-BC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020940#id020940" onclick="sync(this);return true" shape="rect">See Iu-BC interface</a></p>
</div>


<a name="id020940" shape="rect"></a>
<div class="topic">
<h3>Iu-BC interface; <em>Iu-BC</em></h3>

<p>logical interface between a radio network controller (RNC) in the radio access network (RAN) and a cell broadcast centre (CBC) in the core network</p>
</div>


<a name="p2xhtm-repid-8735" shape="rect"></a>
<div class="topic">
<h3>Iu-c</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016128#id016128" onclick="sync(this);return true" shape="rect">See Iu-c interface</a></p>
</div>


<a name="id016128" shape="rect"></a>
<div class="topic">
<h3>Iu-c interface; <em>Iu-c</em></h3>

<p>control plane interface between a radio network access server (RNAS) and the core network (CN)</p>
</div>


<a name="p2xhtm-repid-8737" shape="rect"></a>
<div class="topic">
<h3>Iu-CS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014820#id014820" onclick="sync(this);return true" shape="rect">See Iu-CS interface</a></p>
</div>


<a name="id014820" shape="rect"></a>
<div class="topic">
<h3>Iu-CS interface; <em>Iu-CS</em></h3>

<p>interface that is used to carry traffic between the radio network controller (RNC) and circuit switched core network domain</p>
</div>


<a name="p2xhtm-repid-8739" shape="rect"></a>
<div class="topic">
<h3>Iu-PS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015167#id015167" onclick="sync(this);return true" shape="rect">See Iu-PS interface</a></p>
</div>


<a name="id015167" shape="rect"></a>
<div class="topic">
<h3>Iu-PS interface; <em>Iu-PS</em></h3>

<p>interface that is used to carry traffic between the radio network controller (RNC) and packet switched core network domain</p>
</div>


<a name="p2xhtm-repid-8741" shape="rect"></a>
<div class="topic">
<h3>Iu-psU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016451#id016451" onclick="sync(this);return true" shape="rect">See Iu-psU interface</a></p>
</div>


<a name="id016451" shape="rect"></a>
<div class="topic">
<h3>Iu-psU interface; <em>Iu-psU</em></h3>

<p>Iu-PS interface for user plane traffic</p>
</div>


<a name="p2xhtm-repid-8743" shape="rect"></a>
<div class="topic">
<h3>Iu-u</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016129#id016129" onclick="sync(this);return true" shape="rect">See Iu-u interface</a></p>
</div>


<a name="id016129" shape="rect"></a>
<div class="topic">
<h3>Iu-u interface; <em>Iu-u</em></h3>

<p>user plane interface between a radio network gateway (RNGW) and the core network (CN)</p>
</div>


<a name="p2xhtm-repid-8745" shape="rect"></a>
<div class="topic">
<h3>IUA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020915#id020915" onclick="sync(this);return true" shape="rect">See ISDN Q.921-user adaptation layer</a></p>
</div>


<a name="p2xhtm-repid-8746" shape="rect"></a>
<div class="topic">
<h3>Iub</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010078#id010078" onclick="sync(this);return true" shape="rect">See Iub interface</a></p>
</div>


<a name="id010078" shape="rect"></a>
<div class="topic">
<h3>Iub interface; <em>Iub</em></h3>

<p>interface between the radio network controller (RNC) and the base transceiver station</p>
</div>


<a name="p2xhtm-repid-8748" shape="rect"></a>
<div class="topic">
<h3>Iubis</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014515#id014515" onclick="sync(this);return true" shape="rect">See Iubis interface</a></p>
</div>


<a name="id014515" shape="rect"></a>
<div class="topic">
<h3>Iubis interface; <em>Iubis</em></h3>

<p>internal UTRAN radio network subsystem (RNS) interface between the radio network controller (RNC) and the base transceiver station (node B)</p>
</div>


<a name="id017175" shape="rect"></a>
<div class="topic">
<h3>IuFlex</h3>

<p>concept which enables the radio access network (RAN) nodes to route information to more than one core network (CN) node</p>
</div>


<a name="p2xhtm-repid-8751" shape="rect"></a>
<div class="topic">
<h3>IUO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09027#id09027" onclick="sync(this);return true" shape="rect">See intelligent underlay overlay</a></p>
</div>


<a name="p2xhtm-repid-8752" shape="rect"></a>
<div class="topic">
<h3>Iupc</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016132#id016132" onclick="sync(this);return true" shape="rect">See Iupc interface</a></p>
</div>


<a name="id016132" shape="rect"></a>
<div class="topic">
<h3>Iupc interface; <em>Iupc</em></h3>

<p>logical interface between a radio network controller (RNC) and a stand-alone A-GPS SMLC (SAS) within the UMTS terrestrial radio access network (UTRAN)</p>
</div>


<a name="p2xhtm-repid-8754" shape="rect"></a>
<div class="topic">
<h3>Iupc'</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016131#id016131" onclick="sync(this);return true" shape="rect">See Iupc' interface</a></p>
</div>


<a name="id016131" shape="rect"></a>
<div class="topic">
<h3>Iupc' interface; <em>Iupc'</em></h3>

<p>logical interface between the serving mobile location centre (SMLC) and an IP base station(IP-BTS)</p>
</div>


<a name="p2xhtm-repid-8756" shape="rect"></a>
<div class="topic">
<h3>Iur</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010079#id010079" onclick="sync(this);return true" shape="rect">See Iur interface</a></p>
</div>


<a name="id010079" shape="rect"></a>
<div class="topic">
<h3>Iur interface; <em>Iur</em></h3>

<p>logical interface for the interconnection of two radio network controller (RNC) components of the UMTS terrestrial radio access network (UTRAN) system</p>
</div>


<a name="p2xhtm-repid-8758" shape="rect"></a>
<div class="topic">
<h3>Iur'</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016135#id016135" onclick="sync(this);return true" shape="rect">See Iur' interface</a></p>
</div>


<a name="id016135" shape="rect"></a>
<div class="topic">
<h3>Iur' interface; <em>Iur'</em></h3>

<p>interface between the Ip base stations (IP-BTS) providing radio interface mobility for the user equipment (UE) having a connection to the Internet protocol radio access network (IP-RAN)</p>
</div>


<a name="p2xhtm-repid-8760" shape="rect"></a>
<div class="topic">
<h3>Iur''</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016136#id016136" onclick="sync(this);return true" shape="rect">See Iur'' interface</a></p>
</div>


<a name="id016136" shape="rect"></a>
<div class="topic">
<h3>Iur'' interface; <em>Iur''</em></h3>

<p>interface between the RAN access server (RNAS) and IP base station(IP-BTS)</p>
</div>


<a name="p2xhtm-repid-8762" shape="rect"></a>
<div class="topic">
<h3>Iur-c</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016133#id016133" onclick="sync(this);return true" shape="rect">See Iur-c interface</a></p>
</div>


<a name="id016133" shape="rect"></a>
<div class="topic">
<h3>Iur-c interface; <em>Iur-c</em></h3>

<p>control plane interface between a radio network access server (RNAS) and radio network controller (RNC)</p>
</div>


<a name="p2xhtm-repid-8764" shape="rect"></a>
<div class="topic">
<h3>Iur-g</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016134#id016134" onclick="sync(this);return true" shape="rect">See Iur-g interface</a></p>
</div>


<a name="id016134" shape="rect"></a>
<div class="topic">
<h3>Iur-g interface; <em>Iur-g</em></h3>

<p>interface between two base station subsystems (BSS) in a GSM/EDGE radio access network (GERAN) or a base station controller (BSC) in GERAN and a radio network controller (RNC) in a UMTS terrestrial radio access network (UTRAN)</p>
</div>


<a name="p2xhtm-repid-8766" shape="rect"></a>
<div class="topic">
<h3>IV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015154#id015154" onclick="sync(this);return true" shape="rect">See initialisation vector</a></p>
</div>


<a name="p2xhtm-repid-8767" shape="rect"></a>
<div class="topic">
<h3>IVR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012100#id012100" onclick="sync(this);return true" shape="rect">See interactive voice response</a></p>
</div>


<a name="p2xhtm-repid-8768" shape="rect"></a>
<div class="topic">
<h3>IW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010354#id010354" onclick="sync(this);return true" shape="rect">See interworking</a></p>
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<div class="topic">
<h3>IWF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04992#id04992" onclick="sync(this);return true" shape="rect">See interworking function</a></p>
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<div class="topic">
<h3>IWMSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06070#id06070" onclick="sync(this);return true" shape="rect">See interworking MSC for short message service</a></p>
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<div class="topic">
<h3>IWS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015574#id015574" onclick="sync(this);return true" shape="rect">See infoware system</a></p>
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<div class="topic">
<h3>IWU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014217#id014217" onclick="sync(this);return true" shape="rect">See interworking unit</a></p>
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