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<div class="div">
<h2>D</h2>

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<h3>D 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=id014008#id014008" onclick="sync(this);return true" shape="rect">See D reference point</a></p>
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<a name="id014008" shape="rect"></a>
<div class="topic">
<h3>D reference point; <em>D interface</em></h3>

<p>interface between the visitor location register (VLR) and the home subscriber server (HSS)</p>
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<div class="topic">
<h3>D-alarm</h3>

<p>rack alarm indicating that an alarm (A or B) has been acknowledged but the fault has not yet been repaired</p>
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<h3>D-AMPS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010837#id010837" onclick="sync(this);return true" shape="rect">See digital advanced mobile phone service</a></p>
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<h3>D-bus</h3>

<p>bus of a base transceiver station which is used for the serial data transmission, as well as for the transfer of calls, and control signals related to the calls</p>
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<h3>D-bus allocation</h3>

<p>allocation of the BTS transmission capacity on the D-bus</p>
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<h3>D-channel; <em>data channel</em></h3>

<p>ISDN channel used for signalling and other message-based data transmission</p>
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<h3>D-channel link set</h3>

<p>channel link set formed by D-channels between the entities of the layer3 communicating with each other</p>
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<h3>D-channel system; <em>DCS</em></h3>

<p>system which identifies the D-channel inside one signalling unit</p>
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<h3>D-CSI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013055#id013055" onclick="sync(this);return true" shape="rect">See dialled services CAMEL subscription information</a></p>
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<h3>D-GPS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019715#id019715" onclick="sync(this);return true" shape="rect">See differential GPS</a></p>
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<h3>D-NBAP; <em>dedicated NBAP</em>; <em>DNBAP</em></h3>

<p>part of the NBAP protocol which uses the dedicated signalling link between the base transceiver station (BTS) and radio network controller (RNC)</p>
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<h3>D-RNTI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015365#id015365" onclick="sync(this);return true" shape="rect">See drift RNTI</a></p>
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<h3>D.D.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=id02248#id02248" onclick="sync(this);return true" shape="rect">See direct dialling-in</a></p>
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<h3>d/a converter</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04913#id04913" onclick="sync(this);return true" shape="rect">See digital-to-analogue converter</a></p>
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<div class="topic">
<h3>DA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02221#id02221" onclick="sync(this);return true" shape="rect">See directory assistance service</a></p>
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<h3>DAB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014466#id014466" onclick="sync(this);return true" shape="rect">See digital audio broadcasting</a></p>
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<a name="p2xhtm-repid-4171" shape="rect"></a>
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<h3>DAC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04913#id04913" onclick="sync(this);return true" shape="rect">See digital-to-analogue converter</a></p>
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<h3>DAC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07356#id07356" onclick="sync(this);return true" shape="rect">See identity-based access control</a></p>
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<h3>DaCS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013716#id013716" onclick="sync(this);return true" shape="rect">See data communication service</a></p>
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<h3>DAD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015111#id015111" onclick="sync(this);return true" shape="rect">See duplicate address detection</a></p>
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<h3>DAD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03434#id03434" onclick="sync(this);return true" shape="rect">See destination address</a></p>
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<h3>DADL/B</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011216#id011216" onclick="sync(this);return true" shape="rect">See direct access to desired layer/band</a></p>
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<h3>daemon</h3>

<p>independent process within the background process, carrying out maintenance and control functions useful for operating or file systems</p>
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<h3>dangerousness class</h3>

<p>division of commands based on how dangerous they are with regard to the operating capacity of the system</p>
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<h3>DAPI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020034#id020034" onclick="sync(this);return true" shape="rect">See distributor API</a></p>
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<h3>DAPR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014976#id014976" onclick="sync(this);return true" shape="rect">See destination address prefixing</a></p>
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<h3>dark fibre; <em>unused fibre</em></h3>

<p>fibre-optic connection that is leased without any active equipment connected to it, and whose entire capacity is reserved for use between its terminal equipment</p>
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<h3>DAS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02221#id02221" onclick="sync(this);return true" shape="rect">See directory assistance service</a></p>
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<h3>DAT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011767#id011767" onclick="sync(this);return true" shape="rect">See digital audio tape</a></p>
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<h3>data</h3>

<p>information that can be operated on by a computer program</p>
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<a name="p2xhtm-repid-4185" shape="rect"></a>
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<h3>data and reports 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=id015405#id015405" onclick="sync(this);return true" shape="rect">See data reporting system</a></p>
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<h3>data bearer</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012698#id012698" onclick="sync(this);return true" shape="rect">See bearer</a></p>
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<h3>data bit; <em>information bit</em></h3>

<p>bit originated by the data source and not used for error control by the data transmission system</p>
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<h3>data block</h3>

<p>block which is created by a formatting process and sent to operator's post-processing system</p>
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<a name="p2xhtm-repid-4189" shape="rect"></a>
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<h3>data block</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0287#id0287" onclick="sync(this);return true" shape="rect">See block</a></p>
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<h3>data block</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09611#id09611" onclick="sync(this);return true" shape="rect">See CML data block</a></p>
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<h3>data boundary check</h3>

<p>check of a data value made to ensure that the value is in accordance with predefined requirements</p>
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<h3>data call</h3>

<p>call in which the information carried is in binary format</p>
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<h3>data call measurement</h3>

<p>network-element-specific measurement which collects information on the use and number of data calls, and on the errors that occur in data calls in a multimedia gateway (MGW)</p>
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<h3>data channel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02903#id02903" onclick="sync(this);return true" shape="rect">See D-channel</a></p>
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<h3>data channel; <em>DC</em></h3>

<p>channel used for data transmission</p>
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<h3>data channel propagation time; <em>Tp</em></h3>

<p>period which starts when the last bit of the signal unit has entered the data channel at the sending side and ends when the last bit of the signal unit leaves the data channel at the receiving end, irrespective of whether the signal unit is disturbed or not</p>
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<div class="topic">
<h3>data check</h3>

<p>service interrogation which compares the data entered by a user during the interrogation procedure with the information stored in the network</p>
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<div class="topic">
<h3>data checkpointing</h3>

<p>mechanism by which the application state is transmitted from an active application instance to one or more standby instances</p>
</div>


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<div class="topic">
<h3>data chunk; <em>chunk</em></h3>

<p>unit of information within a stream control transport protocol (SCTP) datagram, consisting of a header and specific contents (user data)</p>
</div>


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<h3>data circuit</h3>

<p>combination of data processing nodes and connections between them</p>
</div>


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<div class="topic">
<h3>data coding scheme; <em>DCS</em></h3>

<p>parameter which identifies the alphabet or coding employed for the user information and message handling at the mobile station (MS) and is passed transparently from the cell broadcast centre (CBC) to the MS</p>
</div>


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<h3>data collection processor</h3>

<p>communications device serving as mediation equipment in the telecommunication management network, which provides concentration, protocol conversion and operations functions such as accumulation and thresholding. One or more NEs may be connected to each physical port</p>
</div>


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<div class="topic">
<h3>data collector</h3>

<p>function that collects the measured data from the network element and transfers it to the Network Element Management Unit (NEMU)</p>
</div>


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<div class="topic">
<h3>data communication</h3>

<p>telecommunications where communication is done using data processed via computers</p>
</div>


<a name="id05286" shape="rect"></a>
<div class="topic">
<h3>data communication function; <em>DCF</em></h3>

<p>function providing the means for data communication to transport information related to telecommunication management between telecommunications management network (TMN) function blocks</p>
</div>


<a name="id087" shape="rect"></a>
<div class="topic">
<h3>data communication network; <em>data transmission network</em>; <em>data network</em>; <em>DCN</em></h3>

<p>telecommunication network mainly meant for data transmission</p>
</div>


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<div class="topic">
<h3>data communication service; <em>DaCS</em></h3>

<p>service which supplements the functions which the TCP/IP stack of the underlying real-time operating system (RTOS) provides</p>
</div>


<a name="id06486" shape="rect"></a>
<div class="topic">
<h3>data communications channel; <em>DCC</em></h3>

<p>auxiliary channel within section overhead which is used for network management related communication between operations systems and network elements</p>
</div>


<a name="id016862" shape="rect"></a>
<div class="topic">
<h3>data communications equipment; <em>DCE</em></h3>

<p>any hardware involved in starting a communications link</p>
</div>


<a name="id08286" shape="rect"></a>
<div class="topic">
<h3>data compression; <em>compression</em>; <em>DC</em></h3>

<p>technique that saves storage space by replacing digital character strings with short codes</p>
</div>


<a name="id017189" shape="rect"></a>
<div class="topic">
<h3>data connection</h3>

<p>full duplex connection over which data is transferred in a specified mode and type</p>
</div>


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<div class="topic">
<h3>data connection socket; <em>DCS</em></h3>

<p>socket which is an endpoint for an FTP data connection</p>
</div>


<a name="id019591" shape="rect"></a>
<div class="topic">
<h3>data content fragment</h3>

<p>number of a specific, static, linear sub-sequence of the data content of the component</p>
</div>


<a name="id09703" shape="rect"></a>
<div class="topic">
<h3>data country code; <em>DCC</em></h3>

<p>ATM address format that specifies the country in which an address is registered</p>
</div>


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<div class="topic">
<h3>data description</h3>

<p>description that links the variables in the service logic to their values stored in other parts of the system</p>
</div>


<a name="id017059" shape="rect"></a>
<div class="topic">
<h3>data description template</h3>

<p>template that is used for the creation of the data descriptions used in service execution</p>
</div>


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<div class="topic">
<h3>data dictionary</h3>

<p>collection of data which contains administrative information associated with the database</p>
</div>


<a name="id016146" shape="rect"></a>
<div class="topic">
<h3>data distribution protocol; <em>DDP</em></h3>

<p>protocol that provides a fault-tolerant data transfer mechanism over IP networks</p>
</div>


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<div class="topic">
<h3>data download</h3>

<p>mechanism to inform the DX 200 software related to the previously downloaded file about a new file or a version of the file so that the file may be taken into use</p>
</div>


<a name="p2xhtm-repid-4220" shape="rect"></a>
<div class="topic">
<h3>data encryption standard algorithm</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07360#id07360" onclick="sync(this);return true" shape="rect">See DES algorithm</a></p>
</div>


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<div class="topic">
<h3>data exchange interface; <em>DXI</em></h3>

<p>network node interface between data terminal equipment and a special ATM CSU/DSU that converts between the variable-length DXI frames and the fixed-length ATM cells</p>
</div>


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<div class="topic">
<h3>data field</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012747#id012747" onclick="sync(this);return true" shape="rect">See elementary file</a></p>
</div>


<a name="id0746" shape="rect"></a>
<div class="topic">
<h3>data field</h3>

<p>defined area in a data medium or memory, which is used for storing some piece of data</p>
</div>


<a name="id011763" shape="rect"></a>
<div class="topic">
<h3>data file</h3>

<p>data type load module</p>
</div>


<a name="p2xhtm-repid-4225" shape="rect"></a>
<div class="topic">
<h3>data 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=id01860#id01860" onclick="sync(this);return true" shape="rect">See file</a></p>
</div>


<a name="id021242" shape="rect"></a>
<div class="topic">
<h3>data flow; <em>flow</em></h3>

<p>identifiable stream of data</p>
</div>


<a name="id013909" shape="rect"></a>
<div class="topic">
<h3>data flow indicator</h3>

<p>indicator which shows the relative speed at which data is transferred</p>
</div>


<a name="id015933" shape="rect"></a>
<div class="topic">
<h3>data form 1; <em>DT1</em></h3>

<p>message used in the signalling connection control part (SCCP) connection-oriented service to transfer data</p>
</div>


<a name="id010659" shape="rect"></a>
<div class="topic">
<h3>data haven</h3>

<p>country or region where maintaining a person register is not restricted or controlled</p>
</div>


<a name="id012581" shape="rect"></a>
<div class="topic">
<h3>data header</h3>

<p>group of selectable information fields which a user can select with the form file editor and fill with a formatter process which saves them to the beginning of a created charging record (CDR) or report</p>
</div>


<a name="id04576" shape="rect"></a>
<div class="topic">
<h3>data independent</h3>

<p>independent of the logical or physical structure of data</p>
</div>


<a name="p2xhtm-repid-4232" shape="rect"></a>
<div class="topic">
<h3>data integrity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09536#id09536" onclick="sync(this);return true" shape="rect">See integrity</a></p>
</div>


<a name="id06249" shape="rect"></a>
<div class="topic">
<h3>data interface; <em>DI</em></h3>

<p>asynchronous interface used to extend the Q1 management bus over a data channel accessed through free bits or a dedicated frame</p>
</div>


<a name="id06979" shape="rect"></a>
<div class="topic">
<h3>data interface unit; <em>data unit</em>; <em>DIU</em></h3>

<p>unit which provides standard user data interfaces and connects the data interface signals to the aggregate signals in the internal connection buses of, for example, multiplex, branching, or node equipment</p>
</div>


<a name="id016267" shape="rect"></a>
<div class="topic">
<h3>data interface unit pool; <em>DIU pool</em></h3>

<p>data pool that consists of data interface units (DIUs) and handles unrestricted digital information (UDI) call requests</p>
</div>


<a name="id06670" shape="rect"></a>
<div class="topic">
<h3>data item</h3>

<p>set of logically related data treated as a unit</p>
</div>


<a name="id03375" shape="rect"></a>
<div class="topic">
<h3>data link</h3>

<p>ensemble of terminal installations and the interconnecting network operating in a particular mode that permits information to be exchanged</p>
</div>


<a name="id011154" shape="rect"></a>
<div class="topic">
<h3>data link connection; <em>DLC</em></h3>

<p>connection established in the link layer to provide for information exchange between two or more service access points (SAP)</p>
</div>


<a name="id03368" shape="rect"></a>
<div class="topic">
<h3>data link connection identifier; <em>DLCI</em></h3>

<p>identifier of a data link connection (DLC), which is unique within one bearer channel and composed of network service virtual link identifier and the bearer channel identifier</p>
</div>


<a name="p2xhtm-repid-4240" shape="rect"></a>
<div class="topic">
<h3>data link layer</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03135#id03135" onclick="sync(this);return true" shape="rect">See link layer</a></p>
</div>


<a name="id014553" shape="rect"></a>
<div class="topic">
<h3>data management</h3>

<p>function of controlling the acquisition, analysis, storage, retrieval, and distribution of data</p>
</div>


<a name="p2xhtm-repid-4242" shape="rect"></a>
<div class="topic">
<h3>data management HA services</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016469#id016469" onclick="sync(this);return true" shape="rect">See data management high availability services</a></p>
</div>


<a name="id016469" shape="rect"></a>
<div class="topic">
<h3>data management high availability services; <em>data management HA services</em></h3>

<p>part of data management which aims to improve the availability of data stores, supervises databases for any errors, and reports the errors to the alarm system</p>
</div>


<a name="id014791" shape="rect"></a>
<div class="topic">
<h3>data mediator</h3>

<p>function that acts as an intermediate party between the network element's data providers and the data collector</p>
</div>


<a name="id04539" shape="rect"></a>
<div class="topic">
<h3>data model</h3>

<p>structure used for describing a database</p>
</div>


<a name="p2xhtm-repid-4246" shape="rect"></a>
<div class="topic">
<h3>data 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=id087#id087" onclick="sync(this);return true" shape="rect">See data communication network</a></p>
</div>


<a name="p2xhtm-repid-4247" shape="rect"></a>
<div class="topic">
<h3>data 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=id020051#id020051" onclick="sync(this);return true" shape="rect">See data processing node</a></p>
</div>


<a name="id08753" shape="rect"></a>
<div class="topic">
<h3>data on the exchange's grade of service</h3>

<p>part of field reporting which contains data on the answered, unanswered and lost calls and a report on calls terminated in clear code groups defined by the user</p>
</div>


<a name="id016979" shape="rect"></a>
<div class="topic">
<h3>data origin authentication</h3>

<p>authentication that verifies the identity of the claimed source of data</p>
</div>


<a name="p2xhtm-repid-4250" shape="rect"></a>
<div class="topic">
<h3>data package</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04029#id04029" onclick="sync(this);return true" shape="rect">See office data build</a></p>
</div>


<a name="p2xhtm-repid-4251" shape="rect"></a>
<div class="topic">
<h3>DATA packet</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013393#id013393" onclick="sync(this);return true" shape="rect">See TFTP DATA packet</a></p>
</div>


<a name="id014792" shape="rect"></a>
<div class="topic">
<h3>data PDU type</h3>

<p>field in the Iu user plane (UP) protocol data unit (PDU) indicating the PDU type that is used for transferring user data</p>
</div>


<a name="id020051" shape="rect"></a>
<div class="topic">
<h3>data processing node; <em>data node</em>; <em>DPN</em></h3>

<p>node at which one or more data processing systems are located</p>
</div>


<a name="id06904" shape="rect"></a>
<div class="topic">
<h3>data protection; <em>privacy protection</em></h3>

<p>part of data security which aims at preventing unauthorised usage and seizure of data</p>
</div>


<a name="id06660" shape="rect"></a>
<div class="topic">
<h3>data protection key</h3>

<p>lower level cryptographic key used for protecting subscriber authentication keys (Ki) and other data items</p>
</div>


<a name="id014793" shape="rect"></a>
<div class="topic">
<h3>data provider</h3>

<p>function that collects statistical information from the multimedia gateway (MGW) and writes it to a file</p>
</div>


<a name="p2xhtm-repid-4257" shape="rect"></a>
<div class="topic">
<h3>data 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=id0743#id0743" onclick="sync(this);return true" shape="rect">See data transmission rate</a></p>
</div>


<a name="id09704" shape="rect"></a>
<div class="topic">
<h3>data receiving</h3>

<p>function which forwards data received by SAR (segmentation and reassembly sublayer) on the reserved VCC (virtual channel connection) to the client process</p>
</div>


<a name="id015766" shape="rect"></a>
<div class="topic">
<h3>data record transfer request</h3>

<p>message used in charging in the packet switched core network (PS) domain to transmit charging record (CDR) information</p>
</div>


<a name="id015767" shape="rect"></a>
<div class="topic">
<h3>data record transfer response</h3>

<p>message sent as a response to a received data record transfer request</p>
</div>


<a name="id015405" shape="rect"></a>
<div class="topic">
<h3>data reporting system; <em>data and reports system</em>; <em>DRS</em></h3>

<p>system that integrates data from various sources into a single repository</p>
</div>


<a name="id012719" shape="rect"></a>
<div class="topic">
<h3>data request</h3>

<p>service interrogation which enables a user to request the stored data for a particular service on its network termination</p>
</div>


<a name="id06903" shape="rect"></a>
<div class="topic">
<h3>data risk; <em>information risk</em></h3>

<p>threat of an incidence related to data or their use which, if it takes place, causes damage or loss</p>
</div>


<a name="id07357" shape="rect"></a>
<div class="topic">
<h3>data risk; <em>information risk</em></h3>

<p>total effect of the vulnerability of information or a system and the threat directed at them, which results in damage, if the threat is realised</p>
</div>


<a name="id07358" shape="rect"></a>
<div class="topic">
<h3>data security</h3>

<p>information security, which minimises risks directed at data</p>
</div>


<a name="p2xhtm-repid-4266" shape="rect"></a>
<div class="topic">
<h3>data 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=id07366#id07366" onclick="sync(this);return true" shape="rect">See information security</a></p>
</div>


<a name="id09705" shape="rect"></a>
<div class="topic">
<h3>data sending</h3>

<p>function that sends data via reserved virtual channel connection</p>
</div>


<a name="id09080" shape="rect"></a>
<div class="topic">
<h3>data service unit; <em>DSU</em></h3>

<p>functional unit used for data communication services through the mobile services switching centre (MSC)</p>
</div>


<a name="id017182" shape="rect"></a>
<div class="topic">
<h3>data service unit measurement</h3>

<p>measurement which gives information about data traffic intensity for different call types and data service units</p>
</div>


<a name="id012582" shape="rect"></a>
<div class="topic">
<h3>data service unit measurement report</h3>

<p>measurement report which indicates the data traffic intensity for different call types and data service units</p>
</div>


<a name="id01665" shape="rect"></a>
<div class="topic">
<h3>data signal</h3>

<p>signal which consists of data arranged to represent information and which may include check digits added to the data</p>
</div>


<a name="id016468" shape="rect"></a>
<div class="topic">
<h3>data store management</h3>

<p>cluster-wide data management which consists of taking and restoring backup copies and managing information in data stores</p>
</div>


<a name="id020027" shape="rect"></a>
<div class="topic">
<h3>data striping; <em>RAID 0</em></h3>

<p>segmentation of logically sequential data, such as a single file, so that segments can be written to multiple physical devices in a way similar to round-robin</p>
</div>


<a name="id0748" shape="rect"></a>
<div class="topic">
<h3>data structure</h3>

<p>system of relationships between items of data</p>
</div>


<a name="id017000" shape="rect"></a>
<div class="topic">
<h3>data subsystem</h3>

<p>subsystem that contains IMS and service subscription data and service data</p>
</div>


<a name="id014464" shape="rect"></a>
<div class="topic">
<h3>data synchronisation service; <em>data synchronization service /US/</em></h3>

<p>network service that permits networked devices to ensure that the local data on the device is consistent with the network data on one or more remote databases connected to the network service</p>
</div>


<a name="p2xhtm-repid-4277" shape="rect"></a>
<div class="topic">
<h3>data synchronization service /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=id014464#id014464" onclick="sync(this);return true" shape="rect">See data synchronisation service</a></p>
</div>


<a name="id01763" shape="rect"></a>
<div class="topic">
<h3>data terminal equipment; <em>DTE</em></h3>

<p>piece of equipment owned by the subscriber that is connected to the network: remote terminal of a data processing system (for example, a printer or a screen) or a computer</p>
</div>


<a name="id016937" shape="rect"></a>
<div class="topic">
<h3>data tier</h3>

<p>logical layer of a distributed system that gives the applications access to required repositories</p>
</div>


<a name="p2xhtm-repid-4280" shape="rect"></a>
<div class="topic">
<h3>data 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=id0742#id0742" onclick="sync(this);return true" shape="rect">See data transmission</a></p>
</div>


<a name="id017190" shape="rect"></a>
<div class="topic">
<h3>data transfer process; <em>DTP</em></h3>

<p>process which establishes and manages data connections</p>
</div>


<a name="p2xhtm-repid-4282" shape="rect"></a>
<div class="topic">
<h3>data transfer 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=id0743#id0743" onclick="sync(this);return true" shape="rect">See data transmission rate</a></p>
</div>


<a name="p2xhtm-repid-4283" shape="rect"></a>
<div class="topic">
<h3>data transmission</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03826#id03826" onclick="sync(this);return true" shape="rect">See transmission</a></p>
</div>


<a name="id0742" shape="rect"></a>
<div class="topic">
<h3>data transmission; <em>data transfer</em>; <em>transfer</em></h3>

<p>data transmission which uses computers or their peripheral units as terminal equipment</p>
</div>


<a name="p2xhtm-repid-4285" shape="rect"></a>
<div class="topic">
<h3>data transmission 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=id087#id087" onclick="sync(this);return true" shape="rect">See data communication network</a></p>
</div>


<a name="id0743" shape="rect"></a>
<div class="topic">
<h3>data transmission rate; <em>data transfer rate</em></h3>

<p>average number of bits, characters, or blocks per unit time passing between corresponding equipment in a data transmission system</p>
</div>


<a name="id04236" shape="rect"></a>
<div class="topic">
<h3>data type</h3>

<p>definition of a data structure which has a name and in addition, it may define a range of allowed values and a set of operator signatures</p>
</div>


<a name="id04237" shape="rect"></a>
<div class="topic">
<h3>data type definition; <em>DTD</em></h3>

<p>definition which describes a data type</p>
</div>


<a name="p2xhtm-repid-4289" shape="rect"></a>
<div class="topic">
<h3>data 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=id06979#id06979" onclick="sync(this);return true" shape="rect">See data interface unit</a></p>
</div>


<a name="id09840" shape="rect"></a>
<div class="topic">
<h3>data upload</h3>

<p>mechanism to notify external objects that there is a file in the DX 200 file system ready to be uploaded</p>
</div>


<a name="id09841" shape="rect"></a>
<div class="topic">
<h3>data upload and download; <em>DUD</em></h3>

<p>feature which consists of uploading various files from DX 200 into external system, and downloading configuration files from external system into DX 200 and taking them into use in a controlled manner</p>
</div>


<a name="id084" shape="rect"></a>
<div class="topic">
<h3>data user part; <em>DUP</em></h3>

<p>user part specified for data services</p>
</div>


<a name="id011540" shape="rect"></a>
<div class="topic">
<h3>data volume based charging</h3>

<p>charging method which is based on the amount of carried data</p>
</div>


<a name="id09613" shape="rect"></a>
<div class="topic">
<h3>data warehouse</h3>

<p>database or collection of databases for storing, retrieving and managing large amounts of data</p>
</div>


<a name="id02322" shape="rect"></a>
<div class="topic">
<h3>database; <em>DB</em></h3>

<p>collection of data describing a specific target area and used and updated by one or more applications</p>
</div>


<a name="id011539" shape="rect"></a>
<div class="topic">
<h3>database access control</h3>

<p>part of the NMS system security where those entitled to access the network management system (NMS) database are divided into user accounts with different privileges</p>
</div>


<a name="id019242" shape="rect"></a>
<div class="topic">
<h3>database administrator; <em>DBA</em></h3>

<p>role in content management that is responsible for administering databases</p>
</div>


<a name="id09072" shape="rect"></a>
<div class="topic">
<h3>database application</h3>

<p>software that implements the DX 200 database definitions (logical and physical structure) and database procedure definitions</p>
</div>


<a name="id018168" shape="rect"></a>
<div class="topic">
<h3>database cleaner; <em>database cleaning tool</em></h3>

<p>software which deletes old entries from a database</p>
</div>


<a name="p2xhtm-repid-4300" shape="rect"></a>
<div class="topic">
<h3>database cleaning tool</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018168#id018168" onclick="sync(this);return true" shape="rect">See database cleaner</a></p>
</div>


<a name="id020341" shape="rect"></a>
<div class="topic">
<h3>database cluster</h3>

<p>collection of databases that is accessible through a single instance of a running database server</p>
</div>


<a name="p2xhtm-repid-4302" shape="rect"></a>
<div class="topic">
<h3>database cluster 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=id020340#id020340" onclick="sync(this);return true" shape="rect">See cluster node</a></p>
</div>


<a name="id018376" shape="rect"></a>
<div class="topic">
<h3>database connection supervision</h3>

<p>supervision of the connections from the workstation to the database</p>
</div>


<a name="id011759" shape="rect"></a>
<div class="topic">
<h3>database disk log; <em>disk log</em></h3>

<p>database log stored on a disk</p>
</div>


<a name="id013715" shape="rect"></a>
<div class="topic">
<h3>database disk updating</h3>

<p>operation by which the log buffers are saved to disk, the contents of the log buffers are updated to the disk copy of database, the database from the disk is loaded to memory, and the database is dumped from memory to disk</p>
</div>


<a name="id014006" shape="rect"></a>
<div class="topic">
<h3>database distributor in HSS</h3>

<p>feature which defines a service for finding a correct database distributor unit where the subscriber data is located on the basis of logical name, a service for adding logical name/database unit pair information to the new distributed database, and a service for removing a logical name/database unit pair from the distributed database</p>
</div>


<a name="id012579" shape="rect"></a>
<div class="topic">
<h3>database distributor unit; <em>DBDU</em></h3>

<p>computer unit which distributes to the correct unit subscriber related data coming from either the network or administrative unit</p>
</div>


<a name="id018377" shape="rect"></a>
<div class="topic">
<h3>database failover node; <em>DFN</em></h3>

<p>designated adaptive server to which the database package is moved if the database server (DS) fails</p>
</div>


<a name="id04562" shape="rect"></a>
<div class="topic">
<h3>database fastread; <em>fastread</em></h3>

<p>database procedure which does not update the database</p>
</div>


<a name="id04572" shape="rect"></a>
<div class="topic">
<h3>database file</h3>

<p>file which is part of the physical implementation of a database</p>
</div>


<a name="id019551" shape="rect"></a>
<div class="topic">
<h3>database handler; <em>DB handler</em></h3>

<p>software that is used to access and manage a database and its contents</p>
</div>


<a name="id09073" shape="rect"></a>
<div class="topic">
<h3>database identification; <em>db id</em></h3>

<p>identifier for each DX 200 database occurrence</p>
</div>


<a name="id09074" shape="rect"></a>
<div class="topic">
<h3>database implementation; <em>database implementation specification</em></h3>

<p>database procedure definition that specifies which data structures are used to implement the TDL database objects and which kinds of help structures speed up access from the database</p>
</div>


<a name="p2xhtm-repid-4314" shape="rect"></a>
<div class="topic">
<h3>database implementation specification</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09074#id09074" onclick="sync(this);return true" shape="rect">See database implementation</a></p>
</div>


<a name="id09075" shape="rect"></a>
<div class="topic">
<h3>database local interface</h3>

<p>interface, which database application provides to execute database procedures, used to access a database residing in the same physical unit as the application</p>
</div>


<a name="id04570" shape="rect"></a>
<div class="topic">
<h3>database log</h3>

<p>log in the form of sequential file to which data on executed transactions is recorded</p>
</div>


<a name="id015732" shape="rect"></a>
<div class="topic">
<h3>database log item</h3>

<p>in a database log, the information that describes one database update</p>
</div>


<a name="id09076" shape="rect"></a>
<div class="topic">
<h3>database main copy; <em>main copy of a database</em></h3>

<p>database occurrence where transactions are executed</p>
</div>


<a name="id04284" shape="rect"></a>
<div class="topic">
<h3>database management system; <em>DBMS</em></h3>

<p>general software designed for the management of a database</p>
</div>


<a name="id09077" shape="rect"></a>
<div class="topic">
<h3>database manager</h3>

<p>process family which implements the database management system server and which can also be used to execute database procedures using the database application</p>
</div>


<a name="id017001" shape="rect"></a>
<div class="topic">
<h3>database measurement</h3>

<p>measurement which provides performance data about the register databases from the application point of view</p>
</div>


<a name="id017229" shape="rect"></a>
<div class="topic">
<h3>database node</h3>

<p>node representing the computer unit where the database or, in the case of a distributed database, part of it is located</p>
</div>


<a name="id04569" shape="rect"></a>
<div class="topic">
<h3>database occurrence; <em>occurrence</em></h3>

<p>database constructed on the basis of a certain database description and a given storage structure with reserved physical storage structures</p>
</div>


<a name="id09078" shape="rect"></a>
<div class="topic">
<h3>database occurrence number</h3>

<p>number identifying the database occurrences with a given name</p>
</div>


<a name="p2xhtm-repid-4325" shape="rect"></a>
<div class="topic">
<h3>database primary copy</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04574#id04574" onclick="sync(this);return true" shape="rect">See primary copy of a file</a></p>
</div>


<a name="id04571" shape="rect"></a>
<div class="topic">
<h3>database procedure</h3>

<p>operations directed at a database, which are procedures written in the TDL language and consist of elementary operations which logically belong together</p>
</div>


<a name="id017234" shape="rect"></a>
<div class="topic">
<h3>database procedure execution request</h3>

<p>message from the application to the database which starts the database transaction execution protocol</p>
</div>


<a name="id017235" shape="rect"></a>
<div class="topic">
<h3>database procedure execution response; <em>database procedure response</em></h3>

<p>message from the database to the application which ends the database transaction execution protocol</p>
</div>


<a name="p2xhtm-repid-4329" shape="rect"></a>
<div class="topic">
<h3>database procedure 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=id017235#id017235" onclick="sync(this);return true" shape="rect">See database procedure execution response</a></p>
</div>


<a name="p2xhtm-repid-4330" shape="rect"></a>
<div class="topic">
<h3>database query language</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014940#id014940" onclick="sync(this);return true" shape="rect">See query language</a></p>
</div>


<a name="id011760" shape="rect"></a>
<div class="topic">
<h3>database RAM log; <em>RAM log</em>; <em>log buffer</em></h3>

<p>database log in random access memory (RAM)</p>
</div>


<a name="id04573" shape="rect"></a>
<div class="topic">
<h3>database remote copy; <em>remote copy</em></h3>

<p>copy of a database located in a remote unit</p>
</div>


<a name="id09079" shape="rect"></a>
<div class="topic">
<h3>database remote interface</h3>

<p>interface, which database application provides to execute database procedures, used when the database and application reside in different units or when the application updates the database</p>
</div>


<a name="id04540" shape="rect"></a>
<div class="topic">
<h3>database schema</h3>

<p>description of the logical structure of a database</p>
</div>


<a name="id08635" shape="rect"></a>
<div class="topic">
<h3>database server; <em>DS</em></h3>

<p>stand-alone server in a local area network that holds and manages the database</p>
</div>


<a name="id012971" shape="rect"></a>
<div class="topic">
<h3>database snapshot; <em>snap-shot</em></h3>

<p>state of a database at a particular point in time</p>
</div>


<a name="id02478" shape="rect"></a>
<div class="topic">
<h3>database system; <em>DBS</em></h3>

<p>entity consisting of a database and its management system</p>
</div>


<a name="id01856" shape="rect"></a>
<div class="topic">
<h3>database transaction; <em>transaction</em></h3>

<p>database procedure which transforms a database from one consistent state to another</p>
</div>


<a name="id017233" shape="rect"></a>
<div class="topic">
<h3>database transaction execution protocol</h3>

<p>protocol which is used between an application and the database and between the different database nodes to execute a database transaction</p>
</div>


<a name="id017232" shape="rect"></a>
<div class="topic">
<h3>database transaction throughput</h3>

<p>number of database transaction executions in a specified time interval</p>
</div>


<a name="id04575" shape="rect"></a>
<div class="topic">
<h3>database type</h3>

<p>logical database description with a unique name to which several physical storage structures can be defined</p>
</div>


<a name="id019877" shape="rect"></a>
<div class="topic">
<h3>database upgrade tool</h3>

<p>Java program that allows the user to collect, format, and save information from the old release's database and to distribute it to the new release's database</p>
</div>


<a name="p2xhtm-repid-4343" shape="rect"></a>
<div class="topic">
<h3>datacast</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019946#id019946" onclick="sync(this);return true" shape="rect">See datacasting</a></p>
</div>


<a name="id019946" shape="rect"></a>
<div class="topic">
<h3>datacasting; <em>datacast</em></h3>

<p>broadcasting where additional data is sent with the signal</p>
</div>


<a name="id09838" shape="rect"></a>
<div class="topic">
<h3>datagram socket</h3>

<p>socket that may connect multiple times to change its association and that may dissolve the association by connecting to an invalid address, such as a null address</p>
</div>


<a name="id08778" shape="rect"></a>
<div class="topic">
<h3>dataslot</h3>

<p>part of random access memory (RAM) into which the data collected by data collecting services is stored</p>
</div>


<a name="p2xhtm-repid-4347" shape="rect"></a>
<div class="topic">
<h3>DAUD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015094#id015094" onclick="sync(this);return true" shape="rect">See destination state audit message</a></p>
</div>


<a name="p2xhtm-repid-4348" shape="rect"></a>
<div class="topic">
<h3>DAVA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015092#id015092" onclick="sync(this);return true" shape="rect">See destination available message</a></p>
</div>


<a name="id08414" shape="rect"></a>
<div class="topic">
<h3>DAXNode; <em>dynamic access node</em></h3>

<p>switch-independent access node</p>
</div>


<a name="id0649" shape="rect"></a>
<div class="topic">
<h3>day class</h3>

<p>code specified for each calendar day according to which the charge rate change moments are selected</p>
</div>


<a name="id05824" shape="rect"></a>
<div class="topic">
<h3>day class group</h3>

<p>set of day classes defined for each day of the week</p>
</div>


<a name="p2xhtm-repid-4352" shape="rect"></a>
<div class="topic">
<h3>DB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02322#id02322" onclick="sync(this);return true" shape="rect">See database</a></p>
</div>


<a name="p2xhtm-repid-4353" shape="rect"></a>
<div class="topic">
<h3>DB handler</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019551#id019551" onclick="sync(this);return true" shape="rect">See database handler</a></p>
</div>


<a name="p2xhtm-repid-4354" shape="rect"></a>
<div class="topic">
<h3>db 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=id09073#id09073" onclick="sync(this);return true" shape="rect">See database identification</a></p>
</div>


<a name="p2xhtm-repid-4355" shape="rect"></a>
<div class="topic">
<h3>DBA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019242#id019242" onclick="sync(this);return true" shape="rect">See database administrator</a></p>
</div>


<a name="p2xhtm-repid-4356" shape="rect"></a>
<div class="topic">
<h3>DBA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09708#id09708" onclick="sync(this);return true" shape="rect">See dynamic bandwidth allocation</a></p>
</div>


<a name="p2xhtm-repid-4357" shape="rect"></a>
<div class="topic">
<h3>DBDU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012579#id012579" onclick="sync(this);return true" shape="rect">See database distributor unit</a></p>
</div>


<a name="p2xhtm-repid-4358" shape="rect"></a>
<div class="topic">
<h3>DBM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09709#id09709" onclick="sync(this);return true" shape="rect">See dynamic bandwidth management</a></p>
</div>


<a name="p2xhtm-repid-4359" shape="rect"></a>
<div class="topic">
<h3>DBMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04284#id04284" onclick="sync(this);return true" shape="rect">See database management system</a></p>
</div>


<a name="id0208" shape="rect"></a>
<div class="topic">
<h3>dBr</h3>

<p>electrical power difference, expressed in decibels, between any point and a reference point selected as the zero transmission level reference point, used to express relative transmission power levels</p>
</div>


<a name="p2xhtm-repid-4361" shape="rect"></a>
<div class="topic">
<h3>DBS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02478#id02478" onclick="sync(this);return true" shape="rect">See database system</a></p>
</div>


<a name="p2xhtm-repid-4362" shape="rect"></a>
<div class="topic">
<h3>DC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015107#id015107" onclick="sync(this);return true" shape="rect">See domain name component</a></p>
</div>


<a name="p2xhtm-repid-4363" shape="rect"></a>
<div class="topic">
<h3>DC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03413#id03413" onclick="sync(this);return true" shape="rect">See data channel</a></p>
</div>


<a name="p2xhtm-repid-4364" shape="rect"></a>
<div class="topic">
<h3>DC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08286#id08286" onclick="sync(this);return true" shape="rect">See data compression</a></p>
</div>


<a name="p2xhtm-repid-4365" shape="rect"></a>
<div class="topic">
<h3>DC 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=id02253#id02253" onclick="sync(this);return true" shape="rect">See direct current signalling</a></p>
</div>


<a name="p2xhtm-repid-4366" shape="rect"></a>
<div class="topic">
<h3>DCA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05369#id05369" onclick="sync(this);return true" shape="rect">See dynamic channel allocation</a></p>
</div>


<a name="p2xhtm-repid-4367" shape="rect"></a>
<div class="topic">
<h3>DCC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06486#id06486" onclick="sync(this);return true" shape="rect">See data communications channel</a></p>
</div>


<a name="p2xhtm-repid-4368" shape="rect"></a>
<div class="topic">
<h3>DCC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09703#id09703" onclick="sync(this);return true" shape="rect">See data country code</a></p>
</div>


<a name="p2xhtm-repid-4369" shape="rect"></a>
<div class="topic">
<h3>DCCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04434#id04434" onclick="sync(this);return true" shape="rect">See associated control channel</a></p>
</div>


<a name="p2xhtm-repid-4370" shape="rect"></a>
<div class="topic">
<h3>DCE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016862#id016862" onclick="sync(this);return true" shape="rect">See data communications equipment</a></p>
</div>


<a name="p2xhtm-repid-4371" shape="rect"></a>
<div class="topic">
<h3>DCF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018265#id018265" onclick="sync(this);return true" shape="rect">See DRM content format</a></p>
</div>


<a name="p2xhtm-repid-4372" shape="rect"></a>
<div class="topic">
<h3>DCF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05286#id05286" onclick="sync(this);return true" shape="rect">See data communication function</a></p>
</div>


<a name="p2xhtm-repid-4373" shape="rect"></a>
<div class="topic">
<h3>DCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010069#id010069" onclick="sync(this);return true" shape="rect">See dedicated traffic channel</a></p>
</div>


<a name="p2xhtm-repid-4374" shape="rect"></a>
<div class="topic">
<h3>DCME</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05088#id05088" onclick="sync(this);return true" shape="rect">See digital circuit multiplication equipment</a></p>
</div>


<a name="p2xhtm-repid-4375" shape="rect"></a>
<div class="topic">
<h3>DCN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05306#id05306" onclick="sync(this);return true" shape="rect">See TMN data communication network</a></p>
</div>


<a name="p2xhtm-repid-4376" shape="rect"></a>
<div class="topic">
<h3>DCN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id087#id087" onclick="sync(this);return true" shape="rect">See data communication network</a></p>
</div>


<a name="id018378" shape="rect"></a>
<div class="topic">
<h3>DCN adapter</h3>

<p>adapter that facilitates the connection of Q1-managed equipment to upper-level management systems</p>
</div>


<a name="id015429" shape="rect"></a>
<div class="topic">
<h3>DCN settings</h3>

<p>settings that implement the logical and physical connections of the exchanges to data communication networks (DCN) according to the DCN planning results</p>
</div>


<a name="p2xhtm-repid-4379" shape="rect"></a>
<div class="topic">
<h3>DCOM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012134#id012134" onclick="sync(this);return true" shape="rect">See distributed component object model</a></p>
</div>


<a name="id010770" shape="rect"></a>
<div class="topic">
<h3>DCP point; <em>common part length</em></h3>

<p>point indicating the length of the common part of the in-dialling number and the group call number</p>
</div>


<a name="p2xhtm-repid-4381" shape="rect"></a>
<div class="topic">
<h3>DCS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010843#id010843" onclick="sync(this);return true" shape="rect">See digital cellular system</a></p>
</div>


<a name="p2xhtm-repid-4382" shape="rect"></a>
<div class="topic">
<h3>DCS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013054#id013054" onclick="sync(this);return true" shape="rect">See D-channel system</a></p>
</div>


<a name="p2xhtm-repid-4383" shape="rect"></a>
<div class="topic">
<h3>DCS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016709#id016709" onclick="sync(this);return true" shape="rect">See data coding scheme</a></p>
</div>


<a name="p2xhtm-repid-4384" shape="rect"></a>
<div class="topic">
<h3>DCS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018521#id018521" onclick="sync(this);return true" shape="rect">See data connection socket</a></p>
</div>


<a name="p2xhtm-repid-4385" shape="rect"></a>
<div class="topic">
<h3>DCS1800</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06891#id06891" onclick="sync(this);return true" shape="rect">See Digital Cellular System for 1800 MHz</a></p>
</div>


<a name="p2xhtm-repid-4386" shape="rect"></a>
<div class="topic">
<h3>DD 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=id018713#id018713" onclick="sync(this);return true" shape="rect">See download descriptor file</a></p>
</div>


<a name="p2xhtm-repid-4387" shape="rect"></a>
<div class="topic">
<h3>DDA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011024#id011024" onclick="sync(this);return true" shape="rect">See direct data access</a></p>
</div>


<a name="p2xhtm-repid-4388" shape="rect"></a>
<div class="topic">
<h3>DDA pool</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016266#id016266" onclick="sync(this);return true" shape="rect">See direct data access pool</a></p>
</div>


<a name="p2xhtm-repid-4389" shape="rect"></a>
<div class="topic">
<h3>DDB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04537#id04537" onclick="sync(this);return true" shape="rect">See distributed database</a></p>
</div>


<a name="p2xhtm-repid-4390" shape="rect"></a>
<div class="topic">
<h3>DDBMS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04549#id04549" onclick="sync(this);return true" shape="rect">See distributed database management system</a></p>
</div>


<a name="p2xhtm-repid-4391" shape="rect"></a>
<div class="topic">
<h3>DDBS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04548#id04548" onclick="sync(this);return true" shape="rect">See distributed database system</a></p>
</div>


<a name="p2xhtm-repid-4392" shape="rect"></a>
<div class="topic">
<h3>DDF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03875#id03875" onclick="sync(this);return true" shape="rect">See digital distribution frame</a></p>
</div>


<a name="p2xhtm-repid-4393" shape="rect"></a>
<div class="topic">
<h3>DDI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015097#id015097" onclick="sync(this);return true" shape="rect">See device driver interface</a></p>
</div>


<a name="p2xhtm-repid-4394" shape="rect"></a>
<div class="topic">
<h3>DDI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02248#id02248" onclick="sync(this);return true" shape="rect">See direct dialling-in</a></p>
</div>


<a name="p2xhtm-repid-4395" shape="rect"></a>
<div class="topic">
<h3>DDI call return</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010745#id010745" onclick="sync(this);return true" shape="rect">See direct dialling-in call return</a></p>
</div>


<a name="p2xhtm-repid-4396" shape="rect"></a>
<div class="topic">
<h3>DDI 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="id010746" shape="rect"></a>
<div class="topic">
<h3>DDI part of the number</h3>

<p>part of the number that is formed by digits after the DCP point and forwarded to the extension</p>
</div>


<a name="p2xhtm-repid-4398" shape="rect"></a>
<div class="topic">
<h3>DDP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016146#id016146" onclick="sync(this);return true" shape="rect">See data distribution protocol</a></p>
</div>


<a name="p2xhtm-repid-4399" shape="rect"></a>
<div class="topic">
<h3>DDQ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015953#id015953" onclick="sync(this);return true" shape="rect">See default CLI display qualifier</a></p>
</div>


<a name="p2xhtm-repid-4400" shape="rect"></a>
<div class="topic">
<h3>DDR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019746#id019746" onclick="sync(this);return true" shape="rect">See dual data rate random access memory</a></p>
</div>


<a name="p2xhtm-repid-4401" shape="rect"></a>
<div class="topic">
<h3>DDR-RAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019746#id019746" onclick="sync(this);return true" shape="rect">See dual data rate random access memory</a></p>
</div>


<a name="p2xhtm-repid-4402" shape="rect"></a>
<div class="topic">
<h3>DDR-SDRAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019746#id019746" onclick="sync(this);return true" shape="rect">See dual data rate random access memory</a></p>
</div>


<a name="p2xhtm-repid-4403" shape="rect"></a>
<div class="topic">
<h3>DDS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013624#id013624" onclick="sync(this);return true" shape="rect">See direct digital synthesis</a></p>
</div>


<a name="p2xhtm-repid-4404" shape="rect"></a>
<div class="topic">
<h3>DDS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09081#id09081" onclick="sync(this);return true" shape="rect">See digital data storage</a></p>
</div>


<a name="id04938" shape="rect"></a>
<div class="topic">
<h3>de-emphasis</h3>

<p>establishment of a signal to its original form after pre-emphasis</p>
</div>


<a name="id012708" shape="rect"></a>
<div class="topic">
<h3>de-personalisation</h3>

<p>removal of personalised features from a mobile station</p>
</div>


<a name="id014007" shape="rect"></a>
<div class="topic">
<h3>de-registration</h3>

<p>with CSCF, a process in which the user equipment ends its current registration to the serving call state control function (S-CSCF)</p>
</div>


<a name="id03182" shape="rect"></a>
<div class="topic">
<h3>deactivate</h3>

<p>to remove a service from an active state</p>
</div>


<a name="p2xhtm-repid-4409" shape="rect"></a>
<div class="topic">
<h3>deactivate a 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=id03182#id03182" onclick="sync(this);return true" shape="rect">See deactivate</a></p>
</div>


<a name="id013056" shape="rect"></a>
<div class="topic">
<h3>deactivateSS</h3>

<p>operation in which a supplementary service is taken out of an operative state</p>
</div>


<a name="id05829" shape="rect"></a>
<div class="topic">
<h3>deactivation</h3>

<p>process by which a service is removed from an active state</p>
</div>


<a name="p2xhtm-repid-4412" shape="rect"></a>
<div class="topic">
<h3>deactivation of 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=id05829#id05829" onclick="sync(this);return true" shape="rect">See deactivation</a></p>
</div>


<a name="p2xhtm-repid-4413" shape="rect"></a>
<div class="topic">
<h3>dead region</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03974#id03974" onclick="sync(this);return true" shape="rect">See shadow region</a></p>
</div>


<a name="id013910" shape="rect"></a>
<div class="topic">
<h3>dead spot</h3>

<p>area where radio signals cannot be received</p>
</div>


<a name="id0482" shape="rect"></a>
<div class="topic">
<h3>deadlock</h3>

<p>error condition in which processing cannot continue because both parties of a process are waiting for an action by or response from each other</p>
</div>


<a name="id04603" shape="rect"></a>
<div class="topic">
<h3>deaf-aid telephone</h3>

<p>special telephone designed for people having impaired hearing, which can be used for reception and sending of text, as well as voice</p>
</div>


<a name="id04893" shape="rect"></a>
<div class="topic">
<h3>debug</h3>

<p>detect, isolate and correct a mistake in a computer program or the computer system itself</p>
</div>


<a name="id02405" shape="rect"></a>
<div class="topic">
<h3>debugger</h3>

<p>program which assists in testing and tracing errors in an application program</p>
</div>


<a name="p2xhtm-repid-4419" shape="rect"></a>
<div class="topic">
<h3>debugging operations</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0282#id0282" onclick="sync(this);return true" shape="rect">See system support functions</a></p>
</div>


<a name="p2xhtm-repid-4420" shape="rect"></a>
<div class="topic">
<h3>DEC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017138#id017138" onclick="sync(this);return true" shape="rect">See decision message</a></p>
</div>


<a name="p2xhtm-repid-4421" shape="rect"></a>
<div class="topic">
<h3>decadic 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=id0312#id0312" onclick="sync(this);return true" shape="rect">See rotary dialling</a></p>
</div>


<a name="p2xhtm-repid-4422" shape="rect"></a>
<div class="topic">
<h3>decadic dialling</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0312#id0312" onclick="sync(this);return true" shape="rect">See rotary dialling</a></p>
</div>


<a name="p2xhtm-repid-4423" shape="rect"></a>
<div class="topic">
<h3>decadic 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=id01205#id01205" onclick="sync(this);return true" shape="rect">See decadic signalling</a></p>
</div>


<a name="id01205" shape="rect"></a>
<div class="topic">
<h3>decadic signalling; <em>decadic signaling /US/</em></h3>

<p>signalling method in which dialling is carried out in signals which consist of a series of identical pulses and which correspond in number to the value of the digit it represents</p>
</div>


<a name="id08968" shape="rect"></a>
<div class="topic">
<h3>decapsulation</h3>

<p>SGSN function which removes the additional addressing and controlling information from the encapsulated message (PDU) and reveals the original data unit</p>
</div>


<a name="id0201" shape="rect"></a>
<div class="topic">
<h3>decentralised control; <em>decentralized control /US/</em></h3>

<p>type of control of a telephone exchange in which the control functions have been divided between several independent devices</p>
</div>


<a name="p2xhtm-repid-4427" shape="rect"></a>
<div class="topic">
<h3>decentralized control /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=id0201#id0201" onclick="sync(this);return true" shape="rect">See decentralised control</a></p>
</div>


<a name="id01002" shape="rect"></a>
<div class="topic">
<h3>decimal position number; <em>DP</em></h3>

<p>see position number</p>
</div>


<a name="id07359" shape="rect"></a>
<div class="topic">
<h3>decipherment; <em>decryption</em></h3>

<p>method that cancels information transformation (encipherment)</p>
</div>


<a name="p2xhtm-repid-4430" shape="rect"></a>
<div class="topic">
<h3>decision</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017138#id017138" onclick="sync(this);return true" shape="rect">See decision message</a></p>
</div>


<a name="id02832" shape="rect"></a>
<div class="topic">
<h3>decision</h3>

<p>action within a transition which asks a question to which the answer can be obtained at that instant and accordingly chooses one of the several outgoing transitions from the decision to continue interpretation</p>
</div>


<a name="id0652" shape="rect"></a>
<div class="topic">
<h3>decision circuit</h3>

<p>circuit that decides the probable value of a signal element of a received digital signal</p>
</div>


<a name="p2xhtm-repid-4433" shape="rect"></a>
<div class="topic">
<h3>decision instant</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0112#id0112" onclick="sync(this);return true" shape="rect">See decision instant of a digital signal</a></p>
</div>


<a name="id0112" shape="rect"></a>
<div class="topic">
<h3>decision instant of a digital signal; <em>decision instant</em></h3>

<p>instant at which decision is taken as to the probable value of a signal element of a received digital signal</p>
</div>


<a name="id017138" shape="rect"></a>
<div class="topic">
<h3>decision message; <em>decision</em>; <em>DEC</em></h3>

<p>message which the policy decision point (PDP) sends as a response to a request message (REQ) that the policy enforcement point (PEP) has sent</p>
</div>


<a name="id018546" shape="rect"></a>
<div class="topic">
<h3>decision object</h3>

<p>variable-length data object which carries additional stateless information that can be applied by the policy enforcement point locally</p>
</div>


<a name="id0653" shape="rect"></a>
<div class="topic">
<h3>decision value</h3>

<p>value defining the boundary between adjacent quantising intervals</p>
</div>


<a name="id04161" shape="rect"></a>
<div class="topic">
<h3>declarative SDL</h3>

<p>part of specification and description language (SDL) which contains the block, interface, data type, signal, and alarm definitions</p>
</div>


<a name="id04791" shape="rect"></a>
<div class="topic">
<h3>decode</h3>

<p>to generate reconstructed samples</p>
</div>


<a name="id089" shape="rect"></a>
<div class="topic">
<h3>decoder</h3>

<p>device that performs decoding</p>
</div>


<a name="id088" shape="rect"></a>
<div class="topic">
<h3>decoding</h3>

<p>generation of reconstructed samples</p>
</div>


<a name="p2xhtm-repid-4442" shape="rect"></a>
<div class="topic">
<h3>decryption</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07359#id07359" onclick="sync(this);return true" shape="rect">See decipherment</a></p>
</div>


<a name="id018497" shape="rect"></a>
<div class="topic">
<h3>decryption function</h3>

<p>function that is used to decrypt the encrypted data with the help of a key</p>
</div>


<a name="p2xhtm-repid-4444" shape="rect"></a>
<div class="topic">
<h3>DECT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04404#id04404" onclick="sync(this);return true" shape="rect">See Digital European Cordless Telecommunications</a></p>
</div>


<a name="p2xhtm-repid-4445" shape="rect"></a>
<div class="topic">
<h3>dedicated channel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010069#id010069" onclick="sync(this);return true" shape="rect">See dedicated traffic channel</a></p>
</div>


<a name="p2xhtm-repid-4446" shape="rect"></a>
<div class="topic">
<h3>dedicated control channel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04434#id04434" onclick="sync(this);return true" shape="rect">See associated control channel</a></p>
</div>


<a name="id012709" shape="rect"></a>
<div class="topic">
<h3>dedicated file; <em>DF</em></h3>

<p>file containing access conditions and, optionally, elementary files (EF) or other dedicated files (DF)</p>
</div>


<a name="id011213" shape="rect"></a>
<div class="topic">
<h3>dedicated GPRS capacity; <em>CDED</em></h3>

<p>part of the default GPRS capacity that can be reserved totally for GPRS and that can be blocked altogether from circuit switched use</p>
</div>


<a name="id011214" shape="rect"></a>
<div class="topic">
<h3>dedicated GPRS resources</h3>

<p>radio time-slots that are permanently reserved for GPRS use</p>
</div>


<a name="id020330" shape="rect"></a>
<div class="topic">
<h3>dedicated IP address</h3>

<p>IP address visible to external network elements and internal nodes</p>
</div>


<a name="p2xhtm-repid-4451" shape="rect"></a>
<div class="topic">
<h3>dedicated 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=id08680#id08680" onclick="sync(this);return true" shape="rect">See leased line</a></p>
</div>


<a name="p2xhtm-repid-4452" shape="rect"></a>
<div class="topic">
<h3>dedicated MAC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016473#id016473" onclick="sync(this);return true" shape="rect">See dedicated medium access control</a></p>
</div>


<a name="id016473" shape="rect"></a>
<div class="topic">
<h3>dedicated medium access control; <em>dedicated MAC</em>; <em>medium access control d</em>; <em>MACd</em></h3>

<p>medium access control mode which allows the user data to be carried to one mobile station only</p>
</div>


<a name="p2xhtm-repid-4454" shape="rect"></a>
<div class="topic">
<h3>dedicated NBAP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016068#id016068" onclick="sync(this);return true" shape="rect">See D-NBAP</a></p>
</div>


<a name="id015364" shape="rect"></a>
<div class="topic">
<h3>dedicated NBAP signalling entity</h3>

<p>set of base transceiver station or radio network controller functions responsible for the radio link management for a group of mobile stations</p>
</div>


<a name="id01682" shape="rect"></a>
<div class="topic">
<h3>dedicated network; <em>DNW</em></h3>

<p>telecommunication network dedicated for a special user group</p>
</div>


<a name="id014196" shape="rect"></a>
<div class="topic">
<h3>dedicated physical channel; <em>DPCH</em></h3>

<p>physical channel which is assigned to a dedicated connection between the user equipment and network</p>
</div>


<a name="id020943" shape="rect"></a>
<div class="topic">
<h3>dedicated physical control channel; <em>DPCCH</em></h3>

<p>dedicated physical channel which is used to carry control information generated at the physical layer</p>
</div>


<a name="id020942" shape="rect"></a>
<div class="topic">
<h3>dedicated physical data channel; <em>DPDCH</em></h3>

<p>dedicated physical channel which is used to carry the dedicated transport channel</p>
</div>


<a name="id020612" shape="rect"></a>
<div class="topic">
<h3>dedicated port load-balancing service; <em>LBSDP</em></h3>

<p>load-balancing service which distributes incoming traffic according to the target port numbers</p>
</div>


<a name="id06591" shape="rect"></a>
<div class="topic">
<h3>dedicated protection</h3>

<p>protection architecture whose capacity is used by one entity only</p>
</div>


<a name="id010069" shape="rect"></a>
<div class="topic">
<h3>dedicated traffic channel; <em>dedicated channel</em>; <em>DCH</em>; <em>DTCH</em></h3>

<p>traffic channel for user traffic and signalling</p>
</div>


<a name="p2xhtm-repid-4463" shape="rect"></a>
<div class="topic">
<h3>DEF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015090#id015090" onclick="sync(this);return true" shape="rect">See default PHB</a></p>
</div>


<a name="id06726" shape="rect"></a>
<div class="topic">
<h3>default analysis</h3>

<p>analysis which offers a uniform call address information format to the routing and charging analysis (central memory digit analysis)</p>
</div>


<a name="id015954" shape="rect"></a>
<div class="topic">
<h3>default as no NN flag; <em>DNN</em></h3>

<p>flag which indicates that the default calling line identity (CLI) is the network number (NN) for non-private numbering plan (PNP) calls</p>
</div>


<a name="p2xhtm-repid-4466" shape="rect"></a>
<div class="topic">
<h3>default 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=id07189#id07189" onclick="sync(this);return true" shape="rect">See default software build</a></p>
</div>


<a name="p2xhtm-repid-4467" shape="rect"></a>
<div class="topic">
<h3>default CG</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011638#id011638" onclick="sync(this);return true" shape="rect">See primary charging gateway</a></p>
</div>


<a name="p2xhtm-repid-4468" shape="rect"></a>
<div class="topic">
<h3>default charging 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=id011638#id011638" onclick="sync(this);return true" shape="rect">See primary charging gateway</a></p>
</div>


<a name="id015953" shape="rect"></a>
<div class="topic">
<h3>default CLI display qualifier; <em>DDQ</em></h3>

<p>qualifier used for setting the CLI blocking indicator (CBI) and the identity qualifier (IQ) for the default calling line identity (CLI)</p>
</div>


<a name="id011215" shape="rect"></a>
<div class="topic">
<h3>default GPRS capacity; <em>default GPRS territory</em>; <em>CDEF</em></h3>

<p>GPRS territory which GPRS can use when the circuit-switched load allows</p>
</div>


<a name="p2xhtm-repid-4471" shape="rect"></a>
<div class="topic">
<h3>default GPRS territory</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011215#id011215" onclick="sync(this);return true" shape="rect">See default GPRS capacity</a></p>
</div>


<a name="p2xhtm-repid-4472" shape="rect"></a>
<div class="topic">
<h3>default handling</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017053#id017053" onclick="sync(this);return true" shape="rect">See default IP multimedia handling</a></p>
</div>


<a name="id017053" shape="rect"></a>
<div class="topic">
<h3>default IP multimedia handling; <em>default handling</em></h3>

<p>parameter that indicates whether to abandon matching of lower priority triggers and to release the dialogue, or to continue the dialogue and trigger matching</p>
</div>


<a name="id03997" shape="rect"></a>
<div class="topic">
<h3>default ISDN number</h3>

<p>ISDN number which is common for all terminals of a basic access in multiple subscriber numbering (MSN)</p>
</div>


<a name="id017176" shape="rect"></a>
<div class="topic">
<h3>default MSS</h3>

<p>MSC server (MSS) which is contacted by the MSSs who do not have information of multiple MSSs serving in the location area</p>
</div>


<a name="id011764" shape="rect"></a>
<div class="topic">
<h3>default output device</h3>

<p>primary output device of a logical file</p>
</div>


<a name="p2xhtm-repid-4477" shape="rect"></a>
<div class="topic">
<h3>default package</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07189#id07189" onclick="sync(this);return true" shape="rect">See default software build</a></p>
</div>


<a name="id015090" shape="rect"></a>
<div class="topic">
<h3>default PHB; <em>DEF</em></h3>

<p>per-hop-behaviour (PHB) that is used to provide the common best effort service</p>
</div>


<a name="id09842" shape="rect"></a>
<div class="topic">
<h3>default port</h3>

<p>port which is automatically created for the actor by the operating system</p>
</div>


<a name="id016264" shape="rect"></a>
<div class="topic">
<h3>default preferred inter-exchange carrier; <em>DPIC</em></h3>

<p>carrier identification code (CIC) identifying the default network operator of a public land mobile network (PLMN) to be used in a long-distance call</p>
</div>


<a name="id013057" shape="rect"></a>
<div class="topic">
<h3>default result of subanalysis; <em>subanalysis default result</em></h3>

<p>analytical data achieved by partial analysis when a call case related value of an attribute does not match a value defined to partial analysis by the operator</p>
</div>


<a name="id011765" shape="rect"></a>
<div class="topic">
<h3>default route</h3>

<p>routing table entry which is used to direct packets addressed to networks not explicitly listed in the routing table</p>
</div>


<a name="id011019" shape="rect"></a>
<div class="topic">
<h3>default routing</h3>

<p>routing which can be used when normal routing fails</p>
</div>


<a name="id010771" shape="rect"></a>
<div class="topic">
<h3>default service number</h3>

<p>service number defined for a centrex analogue or ISDN phone attendant which controls service number- specific handling of outgoing traffic from the operator</p>
</div>


<a name="id07189" shape="rect"></a>
<div class="topic">
<h3>default software build; <em>default SW build</em>; <em>default build</em></h3>

<p>software build loaded to the computer units of a network element in initial loading and when the network element is restarted</p>
</div>


<a name="p2xhtm-repid-4486" shape="rect"></a>
<div class="topic">
<h3>default subscriber profile</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011865#id011865" onclick="sync(this);return true" shape="rect">See subscriber profile</a></p>
</div>


<a name="p2xhtm-repid-4487" shape="rect"></a>
<div class="topic">
<h3>default 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=id07189#id07189" onclick="sync(this);return true" shape="rect">See default software build</a></p>
</div>


<a name="id0569" shape="rect"></a>
<div class="topic">
<h3>default value</h3>

<p>value given to a parameter in the absence of a specific value in the command</p>
</div>


<a name="id010070" shape="rect"></a>
<div class="topic">
<h3>default version; <em>disk version</em></h3>

<p>version of a file in a directory, which the applications normally use for operations</p>
</div>


<a name="id013059" shape="rect"></a>
<div class="topic">
<h3>default zone</h3>

<p>zone which is defined by the zone codes stored in the public land mobile network (PLMN) parameters</p>
</div>


<a name="id019545" shape="rect"></a>
<div class="topic">
<h3>deferred delivery</h3>

<p>message delivery in which the message recipient does not request a message from the messaging centre immediately after receiving a notification of the message but at a later time</p>
</div>


<a name="id021037" shape="rect"></a>
<div class="topic">
<h3>deferred location request</h3>

<p>location request for which an immediate response is not required</p>
</div>


<a name="id015091" shape="rect"></a>
<div class="topic">
<h3>deficit weighted round robin; <em>deficit WRR</em>; <em>DWRR</em></h3>

<p>weighted round robin for packets in an ATM network, in which certain credits are allocated to each queue, and at each round the queue is served if it has enough credits for transmitting the next packet</p>
</div>


<a name="p2xhtm-repid-4494" shape="rect"></a>
<div class="topic">
<h3>deficit WRR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015091#id015091" onclick="sync(this);return true" shape="rect">See deficit weighted round robin</a></p>
</div>


<a name="id011916" shape="rect"></a>
<div class="topic">
<h3>definition level</h3>

<p>parameter that is defined for the functional definition elements</p>
</div>


<a name="p2xhtm-repid-4496" shape="rect"></a>
<div class="topic">
<h3>DEG</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08003#id08003" onclick="sync(this);return true" shape="rect">See signal degrade</a></p>
</div>


<a name="id07007" shape="rect"></a>
<div class="topic">
<h3>degradation of performance</h3>

<p>undesired departure in the operational performance of any device, equipment or system from its intended performance</p>
</div>


<a name="id012978" shape="rect"></a>
<div class="topic">
<h3>degraded minute; <em>DM</em></h3>

<p>group of 60 consecutive seconds, after excluding severely errored seconds (SESs), with an excessive bit error ratio (BIR)</p>
</div>


<a name="id021092" shape="rect"></a>
<div class="topic">
<h3>degraded service</h3>

<p>service that has degraded as a result of anomalies or defects that cause a degradation, but do not result in total failure of the service</p>
</div>


<a name="id011541" shape="rect"></a>
<div class="topic">
<h3>delay class</h3>

<p>quality of service parameter defined for each PDP context, which specifies the end-to-end transfer delay incurred in the transmission of service data units through the GPRS network or networks</p>
</div>


<a name="id02365" shape="rect"></a>
<div class="topic">
<h3>delay distortion; <em>delay-frequency distortion</em></h3>

<p>distortion caused by different propagation speeds of electric signals in a transmission medium due to their difference in frequency</p>
</div>


<a name="p2xhtm-repid-4502" shape="rect"></a>
<div class="topic">
<h3>delay-frequency distortion</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02365#id02365" onclick="sync(this);return true" shape="rect">See delay distortion</a></p>
</div>


<a name="id018169" shape="rect"></a>
<div class="topic">
<h3>delayed delivery</h3>

<p>message delivery which is delayed based on the message sender’s indication that the message should not be delivered immediately but only after a defined period</p>
</div>


<a name="p2xhtm-repid-4504" shape="rect"></a>
<div class="topic">
<h3>delayed direct 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=id04587#id04587" onclick="sync(this);return true" shape="rect">See fixed destination call with time-out</a></p>
</div>


<a name="id019958" shape="rect"></a>
<div class="topic">
<h3>delayed downlink TBF release</h3>

<p>feature which provides continuous downlink temporary block flow (TBF) and also enables quicker establishment of uplinks</p>
</div>


<a name="id012237" shape="rect"></a>
<div class="topic">
<h3>delayed release message; <em>DRS</em></h3>

<p>signalling message sent in either directon indicating that the called or calling party has disconnected but that the network is holding the connection</p>
</div>


<a name="p2xhtm-repid-4507" shape="rect"></a>
<div class="topic">
<h3>delete request state</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018512#id018512" onclick="sync(this);return true" shape="rect">See delete request state message</a></p>
</div>


<a name="id018512" shape="rect"></a>
<div class="topic">
<h3>delete request state message; <em>delete request state</em>; <em>DRQ</em></h3>

<p>COPS protocol based message which the policy enforcement point (PEP) sends to the remote policy decision point (PDP) to indicate that the state identified by the client handle is no longer available or relevant</p>
</div>


<a name="id0753" shape="rect"></a>
<div class="topic">
<h3>deletion of subscriber</h3>

<p>information given to the system by an operational command of the fact that the subscriber is no longer connected to the exchange</p>
</div>


<a name="id019569" shape="rect"></a>
<div class="topic">
<h3>delimited ASCII format</h3>

<p>format for presenting data in which the variables for each case appear in the same order and the values for each variable are separated by a delimiter</p>
</div>


<a name="id020194" shape="rect"></a>
<div class="topic">
<h3>delimiter</h3>

<p>character or string used to separate, or mark the start or end of, items of data</p>
</div>


<a name="id012710" shape="rect"></a>
<div class="topic">
<h3>delivered QoS; <em>delivered quality of service</em></h3>

<p>quality of service which is granted to a user</p>
</div>


<a name="p2xhtm-repid-4513" shape="rect"></a>
<div class="topic">
<h3>delivered quality of 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=id012710#id012710" onclick="sync(this);return true" shape="rect">See delivered QoS</a></p>
</div>


<a name="id07883" shape="rect"></a>
<div class="topic">
<h3>deliverer</h3>

<p>process of the post office which receives messages from the bus</p>
</div>


<a name="id018727" shape="rect"></a>
<div class="topic">
<h3>delivery acknowledgement</h3>

<p>acknowledgement indicating the successful delivery of an item</p>
</div>


<a name="id014794" shape="rect"></a>
<div class="topic">
<h3>delivery monitoring; <em>RTCP delivery monitoring</em></h3>

<p>end-to-end delivery service which the RTP/RTCP protocol provides for data with real-time characteristics to measure the packet loss, throughput, and round trip delay</p>
</div>


<a name="id018301" shape="rect"></a>
<div class="topic">
<h3>delivery of erroneous SDUs</h3>

<p>quality of service parameter indicating whether the service data units (SDUs) detected as erroneous shall be delivered or discarded</p>
</div>


<a name="id018298" shape="rect"></a>
<div class="topic">
<h3>delivery order</h3>

<p>quality of service parameter indicating whether the UMTS bearer shall provide in-sequence service data unit (SDU) delivery or not</p>
</div>


<a name="id011766" shape="rect"></a>
<div class="topic">
<h3>delivery report; <em>DR</em></h3>

<p>response from the network or the recipient to a message from a messaging centre or a mobile station, which either confirms the delivery of the message, or is a failure report that informs the originator that the message was never delivered and the reason why</p>
</div>


<a name="id019516" shape="rect"></a>
<div class="topic">
<h3>delivery report object; <em>DR-O</em></h3>

<p>internal representation of a delivery report in a multimedia messaging service centre (MMSC)</p>
</div>


<a name="id015659" shape="rect"></a>
<div class="topic">
<h3>delivery server; <em>DLS</em></h3>

<p>server that manages business rules for content download, fetches content from content storage, and reliably delivers it to a mobile terminal</p>
</div>


<a name="id018684" shape="rect"></a>
<div class="topic">
<h3>delivery server core; <em>DLSC</em></h3>

<p>delivery server's software building block which controls the download of commercial content items to terminals, and provides integration to charging and billing systems</p>
</div>


<a name="p2xhtm-repid-4523" shape="rect"></a>
<div class="topic">
<h3>delivery server's download provisioning 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=id015660#id015660" onclick="sync(this);return true" shape="rect">See download provisioning interface</a></p>
</div>


<a name="id090" shape="rect"></a>
<div class="topic">
<h3>delta modulation</h3>

<p>form of differential pulse code modulation in which only the sign of the difference between each sample and its predicted value is detected and encoded by a single bit</p>
</div>


<a name="id010152" shape="rect"></a>
<div class="topic">
<h3>demand priority protocol; <em>DPP</em></h3>

<p>protocol that seeks to provide a high speed, shared media LAN to replace slower speed network protocols while utilising the existing media</p>
</div>


<a name="id03957" shape="rect"></a>
<div class="topic">
<h3>demand service; <em>demand telecommunication service</em></h3>

<p>type of telecommunication service in which the communication path is established almost immediately, in response to a user request effected by means of user-network signalling</p>
</div>


<a name="p2xhtm-repid-4527" shape="rect"></a>
<div class="topic">
<h3>demand telecommunication 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=id03957#id03957" onclick="sync(this);return true" shape="rect">See demand service</a></p>
</div>


<a name="id091" shape="rect"></a>
<div class="topic">
<h3>democratic mutually synchronised network; <em>democratic network</em>; <em>democratic mutually synchronized network /US/</em></h3>

<p>mutually synchronised network in which all clocks are of equal status and exert equal amounts of control over the others.The network operating frequency (digit rate) is the mean of the natural (uncontrolled) frequencies of all the clocks</p>
</div>


<a name="p2xhtm-repid-4529" shape="rect"></a>
<div class="topic">
<h3>democratic mutually synchronized 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=id091#id091" onclick="sync(this);return true" shape="rect">See democratic mutually synchronised network</a></p>
</div>


<a name="p2xhtm-repid-4530" shape="rect"></a>
<div class="topic">
<h3>democratic 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=id091#id091" onclick="sync(this);return true" shape="rect">See democratic mutually synchronised network</a></p>
</div>


<a name="id06750" shape="rect"></a>
<div class="topic">
<h3>demultiplexer</h3>

<p>equipment that performs demultiplexing</p>
</div>


<a name="id06754" shape="rect"></a>
<div class="topic">
<h3>demultiplexing</h3>

<p>separation of multiple input streams that were multiplexed into a common physical signal back into multiple output streams</p>
</div>


<a name="p2xhtm-repid-4533" shape="rect"></a>
<div class="topic">
<h3>DEN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015104#id015104" onclick="sync(this);return true" shape="rect">See directory-enabled networking</a></p>
</div>


<a name="id09965" shape="rect"></a>
<div class="topic">
<h3>denial of service; <em>DoS</em></h3>

<p>prevention of authorised access to resources or the delaying of time-critical operations</p>
</div>


<a name="id07993" shape="rect"></a>
<div class="topic">
<h3>dense wavelength division multiplexing; <em>DWDM</em></h3>

<p>implementation of wavelength-division multiplexing (WDM), using more than 2 optical channels in the same wavelength window</p>
</div>


<a name="id012711" shape="rect"></a>
<div class="topic">
<h3>dependability</h3>

<p>performance criterion that within a given observational interval describes the degree of certainty or surety with which a function is performed</p>
</div>


<a name="id014555" shape="rect"></a>
<div class="topic">
<h3>dependency relationship</h3>

<p>relationship between two resources, in which a change to the independent resource will affect the dependent resource</p>
</div>


<a name="id012720" shape="rect"></a>
<div class="topic">
<h3>deploy</h3>

<p>to make a service ready for provision and activation</p>
</div>


<a name="id012746" shape="rect"></a>
<div class="topic">
<h3>deployment; <em>service deployment</em></h3>

<p>process of making a service ready for provision and activation</p>
</div>


<a name="id020480" shape="rect"></a>
<div class="topic">
<h3>deployment rule</h3>

<p>rule which defines how a service or service component is deployed in the network</p>
</div>


<a name="id020814" shape="rect"></a>
<div class="topic">
<h3>deployment target</h3>

<p>logical representation of a physical element that includes only service-related parameters</p>
</div>


<a name="id020098" shape="rect"></a>
<div class="topic">
<h3>deposit function</h3>

<p>function which is used to calculate the new credit balance of a prepaid account after a recharge</p>
</div>


<a name="p2xhtm-repid-4543" shape="rect"></a>
<div class="topic">
<h3>DER</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015900#id015900" onclick="sync(this);return true" shape="rect">See distinguished encoding rules</a></p>
</div>


<a name="p2xhtm-repid-4544" shape="rect"></a>
<div class="topic">
<h3>DEREG REQ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017168#id017168" onclick="sync(this);return true" shape="rect">See deregistration request message</a></p>
</div>


<a name="p2xhtm-repid-4545" shape="rect"></a>
<div class="topic">
<h3>DEREG RSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017169#id017169" onclick="sync(this);return true" shape="rect">See deregistration response</a></p>
</div>


<a name="p2xhtm-repid-4546" shape="rect"></a>
<div class="topic">
<h3>deregistration 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=id017168#id017168" onclick="sync(this);return true" shape="rect">See deregistration request message</a></p>
</div>


<a name="id017168" shape="rect"></a>
<div class="topic">
<h3>deregistration request message; <em>deregistration request</em>; <em>DEREG REQ</em></h3>

<p>signalling message that an application server process (ASP) sends to indicate to a remote peer that it wishes to deregister a given routing key</p>
</div>


<a name="id017169" shape="rect"></a>
<div class="topic">
<h3>deregistration response; <em>DEREG RSP</em></h3>

<p>signalling message that a remote peer uses as a response to a deregistration request message (DEREG REQ)</p>
</div>


<a name="p2xhtm-repid-4549" shape="rect"></a>
<div class="topic">
<h3>DES</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07360#id07360" onclick="sync(this);return true" shape="rect">See DES algorithm</a></p>
</div>


<a name="p2xhtm-repid-4550" shape="rect"></a>
<div class="topic">
<h3>DES</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09218#id09218" onclick="sync(this);return true" shape="rect">See destination end station</a></p>
</div>


<a name="id07360" shape="rect"></a>
<div class="topic">
<h3>DES algorithm; <em>data encryption standard algorithm</em>; <em>DES</em></h3>

<p>symmetric cryptographic algorithm that converts a character string into pieces of 64 bits, scrambles the bits and computes a new character string from them with multi-phase formulas</p>
</div>


<a name="id0456" shape="rect"></a>
<div class="topic">
<h3>descending direction</h3>

<p>direction of calls from a higher network hierarchy level to a lower one</p>
</div>


<a name="id06138" shape="rect"></a>
<div class="topic">
<h3>descrambler</h3>

<p>device for processing a scrambled signal in order to restore the original signal</p>
</div>


<a name="id07339" shape="rect"></a>
<div class="topic">
<h3>descrambling</h3>

<p>process for restoring the original signal from a scrambled signal</p>
</div>


<a name="id014795" shape="rect"></a>
<div class="topic">
<h3>descriptor</h3>

<p>syntactic element of the protocol that groups related properties</p>
</div>


<a name="id05143" shape="rect"></a>
<div class="topic">
<h3>descriptor</h3>

<p>contents of a descriptor table record</p>
</div>


<a name="p2xhtm-repid-4557" shape="rect"></a>
<div class="topic">
<h3>descriptor</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09549#id09549" onclick="sync(this);return true" shape="rect">See entry descriptor</a></p>
</div>


<a name="id019872" shape="rect"></a>
<div class="topic">
<h3>descriptor file</h3>

<p>file which allows a mobile terminal to verify that the desired media object is suited to the terminal before being downloaded</p>
</div>


<a name="p2xhtm-repid-4559" shape="rect"></a>
<div class="topic">
<h3>descriptor position</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06692#id06692" onclick="sync(this);return true" shape="rect">See descriptor slot</a></p>
</div>


<a name="id06692" shape="rect"></a>
<div class="topic">
<h3>descriptor slot</h3>

<p>record in a descriptor table</p>
</div>


<a name="id09545" shape="rect"></a>
<div class="topic">
<h3>descriptor table</h3>

<p>table containing descriptors</p>
</div>


<a name="id015647" shape="rect"></a>
<div class="topic">
<h3>design for assembly; <em>DFA</em></h3>

<p>process during which a design of a product or a product concept is analysed systematically to optimise its assembly</p>
</div>


<a name="id015648" shape="rect"></a>
<div class="topic">
<h3>design for excellence; <em>DFx</em></h3>

<p>process for combining and harmonising best practices in assembly, manufacture, testing, and demand/supply chain for excellent design that takes into account also environmental and reliability issues</p>
</div>


<a name="id011020" shape="rect"></a>
<div class="topic">
<h3>design traffic capacity; <em>design transaction processing capacity</em>; <em>designed traffic capacity</em></h3>

<p>traffic capacity that the manufacturer recommends as the highest traffic load for a network element without violating any capacity constraints</p>
</div>


<a name="p2xhtm-repid-4565" shape="rect"></a>
<div class="topic">
<h3>design transaction processing capacity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011020#id011020" onclick="sync(this);return true" shape="rect">See design traffic capacity</a></p>
</div>


<a name="id09966" shape="rect"></a>
<div class="topic">
<h3>designated router; <em>DR</em></h3>

<p>router in an open shortest path area, which gathers information on the other routers' link stage or costs and forwards the information</p>
</div>


<a name="id09219" shape="rect"></a>
<div class="topic">
<h3>designated transit list; <em>DTL</em></h3>

<p>list of nodes and optional link IDs that completely specify a path across a single private network- network interface (PNNI) peer group</p>
</div>


<a name="p2xhtm-repid-4568" shape="rect"></a>
<div class="topic">
<h3>designed traffic capacity</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011020#id011020" onclick="sync(this);return true" shape="rect">See design traffic capacity</a></p>
</div>


<a name="id018171" shape="rect"></a>
<div class="topic">
<h3>desired delivery time</h3>

<p>earliest time when a message should be delivered, as indicated by the sender of the message</p>
</div>


<a name="p2xhtm-repid-4570" shape="rect"></a>
<div class="topic">
<h3>despotic 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=id093#id093" onclick="sync(this);return true" shape="rect">See monarchic synchronised network</a></p>
</div>


<a name="p2xhtm-repid-4571" shape="rect"></a>
<div class="topic">
<h3>despotic synchronized 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=id093#id093" onclick="sync(this);return true" shape="rect">See monarchic synchronised network</a></p>
</div>


<a name="id010179" shape="rect"></a>
<div class="topic">
<h3>despreading</h3>

<p>process in which the received wideband signal is modulated with the synchronised spreading code to get a narrowband signal in spread spectrum systems</p>
</div>


<a name="id06802" shape="rect"></a>
<div class="topic">
<h3>destinating user prompter; <em>DUP</em></h3>

<p>IN service feature which enables to prompt the called party with a specific announcement</p>
</div>


<a name="p2xhtm-repid-4574" shape="rect"></a>
<div class="topic">
<h3>destination</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010104#id010104" onclick="sync(this);return true" shape="rect">See TDM route</a></p>
</div>


<a name="p2xhtm-repid-4575" shape="rect"></a>
<div class="topic">
<h3>destination</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04254#id04254" onclick="sync(this);return true" shape="rect">See number destination</a></p>
</div>


<a name="p2xhtm-repid-4576" shape="rect"></a>
<div class="topic">
<h3>destination</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0552#id0552" onclick="sync(this);return true" shape="rect">See route</a></p>
</div>


<a name="p2xhtm-repid-4577" shape="rect"></a>
<div class="topic">
<h3>destination</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0576#id0576" onclick="sync(this);return true" shape="rect">See route destination</a></p>
</div>


<a name="id03434" shape="rect"></a>
<div class="topic">
<h3>destination address; <em>DAD</em></h3>

<p>address of the user to whom a call or a message is directed</p>
</div>


<a name="id014976" shape="rect"></a>
<div class="topic">
<h3>destination address prefixing; <em>DAPR</em></h3>

<p>way to request toggling of anonymity per message</p>
</div>


<a name="id019765" shape="rect"></a>
<div class="topic">
<h3>destination address suffixing</h3>

<p>mechanism which a messaging centre uses to add digits to the end of the destination address to identify each of one or more simultaneously received messages destined for the same application</p>
</div>


<a name="p2xhtm-repid-4581" shape="rect"></a>
<div class="topic">
<h3>destination available</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015092#id015092" onclick="sync(this);return true" shape="rect">See destination available message</a></p>
</div>


<a name="id015092" shape="rect"></a>
<div class="topic">
<h3>destination available message; <em>destination available</em>; <em>DAVA</em></h3>

<p>signalling message that a signalling gateway sends to all concerned application server processes (ASP) to indicate that it has determined that one or more signalling system No.7 (SS7) destinations are now reachable and not restricted</p>
</div>


<a name="id011021" shape="rect"></a>
<div class="topic">
<h3>destination B</h3>

<p>entity addressed in the original call set-up</p>
</div>


<a name="id08813" shape="rect"></a>
<div class="topic">
<h3>destination barring</h3>

<p>restriction of traffic to certain route destinations</p>
</div>


<a name="id09218" shape="rect"></a>
<div class="topic">
<h3>destination end station; <em>DES</em></h3>

<p>end station that is the destination for ATM messages of a connection and is used as a reference point for available bit rate (ABR) services</p>
</div>


<a name="id016104" shape="rect"></a>
<div class="topic">
<h3>destination IP address</h3>

<p>IP address of data communication's destination</p>
</div>


<a name="id08773" shape="rect"></a>
<div class="topic">
<h3>destination load observation; <em>route destination load observation</em></h3>

<p>part of load observation which observes the load on the defined destinations</p>
</div>


<a name="id010747" shape="rect"></a>
<div class="topic">
<h3>destination local exchange; <em>DLE</em></h3>

<p>network element to which remote users are connected</p>
</div>


<a name="p2xhtm-repid-4589" shape="rect"></a>
<div class="topic">
<h3>destination 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=id08771#id08771" onclick="sync(this);return true" shape="rect">See number destination measurement</a></p>
</div>


<a name="p2xhtm-repid-4590" shape="rect"></a>
<div class="topic">
<h3>destination 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=id03387#id03387" onclick="sync(this);return true" shape="rect">See signalling destination point</a></p>
</div>


<a name="id03390" shape="rect"></a>
<div class="topic">
<h3>destination point code; <em>DPC</em></h3>

<p>part of the label in a signalling message indicating the signalling point for which the message is intended</p>
</div>


<a name="id013394" shape="rect"></a>
<div class="topic">
<h3>destination port number</h3>

<p>in a stream control transmission protocol (SCTP) datagram header, the SCTP port number to which the datagram is destined</p>
</div>


<a name="p2xhtm-repid-4593" shape="rect"></a>
<div class="topic">
<h3>destination restricted</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015093#id015093" onclick="sync(this);return true" shape="rect">See destination restricted message</a></p>
</div>


<a name="id015093" shape="rect"></a>
<div class="topic">
<h3>destination restricted message; <em>destination restricted</em>; <em>DRST</em></h3>

<p>signalling message that a signalling gateway sends to all concerned application server processes (ASP) to indicate that it has determined that one or more signalling system No.7 (SS7) destinations are now restricted</p>
</div>


<a name="p2xhtm-repid-4595" shape="rect"></a>
<div class="topic">
<h3>destination state audit</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015094#id015094" onclick="sync(this);return true" shape="rect">See destination state audit message</a></p>
</div>


<a name="id015094" shape="rect"></a>
<div class="topic">
<h3>destination state audit message; <em>destination state audit</em>; <em>DAUD</em></h3>

<p>signalling message that an application server process (ASP) sends to a signalling gateway to audit the availability or congestion state of signalling system No.7 (SS7) routes to one or more destinations</p>
</div>


<a name="p2xhtm-repid-4597" shape="rect"></a>
<div class="topic">
<h3>destination unavailable</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015095#id015095" onclick="sync(this);return true" shape="rect">See destination unavailable message</a></p>
</div>


<a name="id015095" shape="rect"></a>
<div class="topic">
<h3>destination unavailable message; <em>destination unavailable</em>; <em>DUNA</em></h3>

<p>signalling message that a signalling gateway sends to all concerned application server processes (ASP) to indicate that it has determined that one or more signalling system No.7 (SS7) destinations are unreachable</p>
</div>


<a name="id012712" shape="rect"></a>
<div class="topic">
<h3>destination user</h3>

<p>entity to which calls to the general packet radio service (GPRS) are directed</p>
</div>


<a name="p2xhtm-repid-4600" shape="rect"></a>
<div class="topic">
<h3>destination user part unavailable</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017166#id017166" onclick="sync(this);return true" shape="rect">See destination user part unavailable message</a></p>
</div>


<a name="id017166" shape="rect"></a>
<div class="topic">
<h3>destination user part unavailable message; <em>destination user part unavailable</em>; <em>DUPU</em></h3>

<p>signalling message that a signalling gateway sends to inform an application server process (ASP) that a remote peer MTP3-user user part at a signalling system No.7 (SS7) node is unavailable</p>
</div>


<a name="id08045" shape="rect"></a>
<div class="topic">
<h3>desynchroniser; <em>desynchronizer /US/</em></h3>

<p>function that smoothes out the timing gaps resulting from decoded pointer adjustments and virtual channel payload demapping in the time domain</p>
</div>


<a name="p2xhtm-repid-4603" shape="rect"></a>
<div class="topic">
<h3>desynchronizer /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=id08045#id08045" onclick="sync(this);return true" shape="rect">See desynchroniser</a></p>
</div>


<a name="p2xhtm-repid-4604" shape="rect"></a>
<div class="topic">
<h3>detach from both CS and GPRS services</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011531#id011531" onclick="sync(this);return true" shape="rect">See combined CS and GPRS detach</a></p>
</div>


<a name="p2xhtm-repid-4605" shape="rect"></a>
<div class="topic">
<h3>detach from both GPRS and CS services</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011531#id011531" onclick="sync(this);return true" shape="rect">See combined CS and GPRS detach</a></p>
</div>


<a name="id020221" shape="rect"></a>
<div class="topic">
<h3>detached signature</h3>

<p>digital signature that is stored separately from the data it is a signature of</p>
</div>


<a name="p2xhtm-repid-4607" shape="rect"></a>
<div class="topic">
<h3>detachment</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019342#id019342" onclick="sync(this);return true" shape="rect">See group detachment</a></p>
</div>


<a name="id012974" shape="rect"></a>
<div class="topic">
<h3>detailed charging; <em>call-associated charging</em></h3>

<p>service which provides the subscriber with a detailed list of charged calls from the network operator</p>
</div>


<a name="id0633" shape="rect"></a>
<div class="topic">
<h3>detailed charging; <em>call associated charging</em></h3>

<p>charging in which the stored data of a single call can be used to present detailed information about the call</p>
</div>


<a name="id011542" shape="rect"></a>
<div class="topic">
<h3>detailed interrogation</h3>

<p>interrogation in SGSN statistics which is used for interrogating an SGSN measurement and which displays all measurement parameters of one chosen measurement type</p>
</div>


<a name="id015430" shape="rect"></a>
<div class="topic">
<h3>detailed network planning</h3>

<p>part of network planning which is performed for generating the source data to be used during the implementation of the network</p>
</div>


<a name="p2xhtm-repid-4612" shape="rect"></a>
<div class="topic">
<h3>detection 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=id06851#id06851" onclick="sync(this);return true" shape="rect">See sensing circuit</a></p>
</div>


<a name="id05449" shape="rect"></a>
<div class="topic">
<h3>detection point; <em>call detection point</em>; <em>DP</em></h3>

<p>point in basic call processing at which a processing event may be reported to the service control function (SCF) and transfer of processing control can occur</p>
</div>


<a name="p2xhtm-repid-4614" shape="rect"></a>
<div class="topic">
<h3>detector 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=id06851#id06851" onclick="sync(this);return true" shape="rect">See sensing circuit</a></p>
</div>


<a name="id04650" shape="rect"></a>
<div class="topic">
<h3>deterministic ATM</h3>

<p>mode of the asynchronous transfer mode in which a constant information transfer capacity expressed in terms of a predetermined limiting value for a given service is provided to the user throughout a call</p>
</div>


<a name="p2xhtm-repid-4616" shape="rect"></a>
<div class="topic">
<h3>developer</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015943#id015943" onclick="sync(this);return true" shape="rect">See service developer</a></p>
</div>


<a name="p2xhtm-repid-4617" shape="rect"></a>
<div class="topic">
<h3>development engineering community</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016184#id016184" onclick="sync(this);return true" shape="rect">See equipment vendor development engineering community</a></p>
</div>


<a name="id015096" shape="rect"></a>
<div class="topic">
<h3>development host</h3>

<p>host in which the program sources are compiled, also containing editing and debugging facilities</p>
</div>


<a name="id09593" shape="rect"></a>
<div class="topic">
<h3>development library; <em>work library</em></h3>

<p>Mentor component library where a component copied from the source or release library is edited and tested</p>
</div>


<a name="id08730" shape="rect"></a>
<div class="topic">
<h3>deviation in the peak hour traffic intensity</h3>

<p>deviation value which shows the difference between the peak hour traffic value of the final calculation day and the weighted average</p>
</div>


<a name="p2xhtm-repid-4621" shape="rect"></a>
<div class="topic">
<h3>device driver</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02656#id02656" onclick="sync(this);return true" shape="rect">See driver</a></p>
</div>


<a name="id09843" shape="rect"></a>
<div class="topic">
<h3>device driver framework</h3>

<p>architecture which specifies how the device drivers are managed and used, and sets guidelines for the device driver implementation</p>
</div>


<a name="id015097" shape="rect"></a>
<div class="topic">
<h3>device driver interface; <em>DDI</em></h3>

<p>interface that defines several layers of application programming interfaces (API) between different driver components</p>
</div>


<a name="p2xhtm-repid-4624" shape="rect"></a>
<div class="topic">
<h3>device family reference design</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014446#id014446" onclick="sync(this);return true" shape="rect">See reference design</a></p>
</div>


<a name="p2xhtm-repid-4625" shape="rect"></a>
<div class="topic">
<h3>device-originated 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=id016027#id016027" onclick="sync(this);return true" shape="rect">See device-originated call CDR</a></p>
</div>


<a name="id016027" shape="rect"></a>
<div class="topic">
<h3>device-originated call CDR; <em>device-originated call</em>; <em>DOC CDR</em>; <em>DOC</em></h3>

<p>charging record which can be generated in the mobile services switching centre (MSC) when an announcement has been given by the specialised resource point (SRP), or when online call monitoring is in use</p>
</div>


<a name="p2xhtm-repid-4627" shape="rect"></a>
<div class="topic">
<h3>DF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012709#id012709" onclick="sync(this);return true" shape="rect">See dedicated file</a></p>
</div>


<a name="p2xhtm-repid-4628" shape="rect"></a>
<div class="topic">
<h3>DFA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015647#id015647" onclick="sync(this);return true" shape="rect">See design for assembly</a></p>
</div>


<a name="p2xhtm-repid-4629" shape="rect"></a>
<div class="topic">
<h3>DFB laser transmitter</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08030#id08030" onclick="sync(this);return true" shape="rect">See distributed feedback laser transmitter</a></p>
</div>


<a name="p2xhtm-repid-4630" shape="rect"></a>
<div class="topic">
<h3>DFC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010406#id010406" onclick="sync(this);return true" shape="rect">See DisconnectForwardConnection message</a></p>
</div>


<a name="p2xhtm-repid-4631" shape="rect"></a>
<div class="topic">
<h3>DFCA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016168#id016168" onclick="sync(this);return true" shape="rect">See dynamic frequency and channel allocation</a></p>
</div>


<a name="p2xhtm-repid-4632" shape="rect"></a>
<div class="topic">
<h3>DFI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011771#id011771" onclick="sync(this);return true" shape="rect">See domain format identifier</a></p>
</div>


<a name="p2xhtm-repid-4633" shape="rect"></a>
<div class="topic">
<h3>DFN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018377#id018377" onclick="sync(this);return true" shape="rect">See database failover node</a></p>
</div>


<a name="p2xhtm-repid-4634" shape="rect"></a>
<div class="topic">
<h3>DFP</h3>

<p><a href="NED?action=retrieve&amp;identifier=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="p2xhtm-repid-4635" shape="rect"></a>
<div class="topic">
<h3>DFRD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014446#id014446" onclick="sync(this);return true" shape="rect">See reference design</a></p>
</div>


<a name="p2xhtm-repid-4636" shape="rect"></a>
<div class="topic">
<h3>DFx</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015648#id015648" onclick="sync(this);return true" shape="rect">See design for excellence</a></p>
</div>


<a name="p2xhtm-repid-4637" shape="rect"></a>
<div class="topic">
<h3>DGPS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019715#id019715" onclick="sync(this);return true" shape="rect">See differential GPS</a></p>
</div>


<a name="p2xhtm-repid-4638" shape="rect"></a>
<div class="topic">
<h3>DH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015099#id015099" onclick="sync(this);return true" shape="rect">See Diffie-Hellman key exchange</a></p>
</div>


<a name="p2xhtm-repid-4639" shape="rect"></a>
<div class="topic">
<h3>DHCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08910#id08910" onclick="sync(this);return true" shape="rect">See dynamic host configuration protocol</a></p>
</div>


<a name="id09844" shape="rect"></a>
<div class="topic">
<h3>DHCP client</h3>

<p>Internet host using dynamic host configuration protocol (DHCP) to obtain configuration parameters such as a network address</p>
</div>


<a name="id09845" shape="rect"></a>
<div class="topic">
<h3>DHCP server; <em>dynamic host configuration protocol server</em></h3>

<p>Internet host that returns configuration parameters to DHCP clients</p>
</div>


<a name="id018571" shape="rect"></a>
<div class="topic">
<h3>DHCP switch manager</h3>

<p>DHCP/TFTP server which provides configuration to LAN switches and informs LAN hardware supervision about the status of the configuration</p>
</div>


<a name="p2xhtm-repid-4643" shape="rect"></a>
<div class="topic">
<h3>DHO</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013654#id013654" onclick="sync(this);return true" shape="rect">See diversity handover</a></p>
</div>


<a name="p2xhtm-repid-4644" shape="rect"></a>
<div class="topic">
<h3>DI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06249#id06249" onclick="sync(this);return true" shape="rect">See data interface</a></p>
</div>


<a name="id06729" shape="rect"></a>
<div class="topic">
<h3>diagnosis</h3>

<p>result of fault diagnosis</p>
</div>


<a name="id03325" shape="rect"></a>
<div class="topic">
<h3>diagnosis job</h3>

<p>sequence of diagnosis programs for functional unit</p>
</div>


<a name="id03241" shape="rect"></a>
<div class="topic">
<h3>diagnosis program; <em>diagnostic program</em></h3>

<p>program testing certain hardware functions, or searching for certain fault types</p>
</div>


<a name="id0829" shape="rect"></a>
<div class="topic">
<h3>diagnosis report</h3>

<p>alarm report output to the maintenance personnel that contains data on the location of a fault</p>
</div>


<a name="p2xhtm-repid-4649" shape="rect"></a>
<div class="topic">
<h3>diagnostic job</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03325#id03325" onclick="sync(this);return true" shape="rect">See diagnosis job</a></p>
</div>


<a name="id02195" shape="rect"></a>
<div class="topic">
<h3>diagnostic path</h3>

<p>dynamic list of the functional units which have to be in order during a diagnostic job</p>
</div>


<a name="p2xhtm-repid-4651" shape="rect"></a>
<div class="topic">
<h3>diagnostic printout</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0829#id0829" onclick="sync(this);return true" shape="rect">See diagnosis report</a></p>
</div>


<a name="p2xhtm-repid-4652" shape="rect"></a>
<div class="topic">
<h3>diagnostic 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=id03241#id03241" onclick="sync(this);return true" shape="rect">See diagnosis program</a></p>
</div>


<a name="p2xhtm-repid-4653" shape="rect"></a>
<div class="topic">
<h3>diagnostic 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=id0829#id0829" onclick="sync(this);return true" shape="rect">See diagnosis report</a></p>
</div>


<a name="id011022" shape="rect"></a>
<div class="topic">
<h3>diagnostic task</h3>

<p>sequence in the execution of diagnostic programs performed for a functional unit</p>
</div>


<a name="id05399" shape="rect"></a>
<div class="topic">
<h3>diagnostic test</h3>

<p>test specially designed to identify more precisely, preferably to a single replaceable unit, the location of a hardware fault</p>
</div>


<a name="p2xhtm-repid-4656" shape="rect"></a>
<div class="topic">
<h3>diagnostics</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0828#id0828" onclick="sync(this);return true" shape="rect">See fault diagnosis</a></p>
</div>


<a name="id03254" shape="rect"></a>
<div class="topic">
<h3>diagnostics and testing</h3>

<p>DX 200 command class</p>
</div>


<a name="id015098" shape="rect"></a>
<div class="topic">
<h3>diagnostics handling</h3>

<p>feature that controls the localisation of hardware faults by starting the diagnosis jobs and handling diagnosis reports</p>
</div>


<a name="id0804" shape="rect"></a>
<div class="topic">
<h3>dial tone; <em>dialling tone</em>; <em>dialing tone /US/</em>; <em>DT</em></h3>

<p>tone that advises that the exchange is ready to receive call information and that invites the user to start sending call information</p>
</div>


<a name="p2xhtm-repid-4660" shape="rect"></a>
<div class="topic">
<h3>dial-it service /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=id04632#id04632" onclick="sync(this);return true" shape="rect">See premium rate</a></p>
</div>


<a name="id020704" shape="rect"></a>
<div class="topic">
<h3>dial-out group</h3>

<p>talk group to which the calling party invites other participants</p>
</div>


<a name="id04824" shape="rect"></a>
<div class="topic">
<h3>dial-tone delay</h3>

<p>time interval between offhook and reception of dial tone</p>
</div>


<a name="id013977" shape="rect"></a>
<div class="topic">
<h3>dial-up access</h3>

<p>access to a data communications network through a public switched telecommunication network</p>
</div>


<a name="id014653" shape="rect"></a>
<div class="topic">
<h3>dial-up number</h3>

<p>phone number to the service provider's modem pool</p>
</div>


<a name="p2xhtm-repid-4665" shape="rect"></a>
<div class="topic">
<h3>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=id02515#id02515" onclick="sync(this);return true" shape="rect">See dialling</a></p>
</div>


<a name="p2xhtm-repid-4666" shape="rect"></a>
<div class="topic">
<h3>dialing preanalysis /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=id03837#id03837" onclick="sync(this);return true" shape="rect">See dialling preanalysis</a></p>
</div>


<a name="p2xhtm-repid-4667" shape="rect"></a>
<div class="topic">
<h3>dialing tone /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=id0804#id0804" onclick="sync(this);return true" shape="rect">See dial tone</a></p>
</div>


<a name="p2xhtm-repid-4668" shape="rect"></a>
<div class="topic">
<h3>dialing-time /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=id04273#id04273" onclick="sync(this);return true" shape="rect">See dialling-time</a></p>
</div>


<a name="id013055" shape="rect"></a>
<div class="topic">
<h3>dialled services CAMEL subscription information; <em>D-CSI</em></h3>

<p>CAMEL subscription information which identifies the subscriber as having CAMEL services subscribed in the home network</p>
</div>


<a name="id02515" shape="rect"></a>
<div class="topic">
<h3>dialling; <em>selection</em>; <em>dialing /US/</em></h3>

<p>act or process provided at a telephone instrument or switchboard that enables the subscriber number of a called party to be inserted into an automatically switched telephone system</p>
</div>


<a name="id03837" shape="rect"></a>
<div class="topic">
<h3>dialling preanalysis; <em>dialing preanalysis /US/</em></h3>

<p>internal call control analysis for identifying codes which deviate from ordinary dialling</p>
</div>


<a name="p2xhtm-repid-4672" shape="rect"></a>
<div class="topic">
<h3>dialling 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=id0804#id0804" onclick="sync(this);return true" shape="rect">See dial tone</a></p>
</div>


<a name="id04273" shape="rect"></a>
<div class="topic">
<h3>dialling-time; <em>dialing-time /US/</em></h3>

<p>time interval between the reception of dial tone and the end of dialling of the calling user</p>
</div>


<a name="p2xhtm-repid-4674" shape="rect"></a>
<div class="topic">
<h3>dialog /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=id03498#id03498" onclick="sync(this);return true" shape="rect">See dialogue</a></p>
</div>


<a name="id03498" shape="rect"></a>
<div class="topic">
<h3>dialogue; <em>dialog /US/</em></h3>

<p>complete interactive procedure for interchanging data between user and system</p>
</div>


<a name="id015496" shape="rect"></a>
<div class="topic">
<h3>dialogue diagram</h3>

<p>diagram that illustrates the dialogue and window structure of a program block</p>
</div>


<a name="p2xhtm-repid-4677" shape="rect"></a>
<div class="topic">
<h3>dialogue 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=id020196#id020196" onclick="sync(this);return true" shape="rect">See dialogue identifier</a></p>
</div>


<a name="id020196" shape="rect"></a>
<div class="topic">
<h3>dialogue identifier; <em>dialogue ID</em></h3>

<p>identifier that is used to separate dialogues from each other and to attach operations and linked components to dialogues</p>
</div>


<a name="id020302" shape="rect"></a>
<div class="topic">
<h3>diameter agent</h3>

<p>diameter node that provides either relay, proxy, redirect, or translation services</p>
</div>


<a name="id016980" shape="rect"></a>
<div class="topic">
<h3>diameter API</h3>

<p>application programming interface (API) between the diameter application and diameter protocol that provides support for peering AAA transactions across the Internet</p>
</div>


<a name="id016978" shape="rect"></a>
<div class="topic">
<h3>diameter application</h3>

<p>application that extends the diameter base protocol for a specific service or task</p>
</div>


<a name="p2xhtm-repid-4682" shape="rect"></a>
<div class="topic">
<h3>diameter base 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=id014556#id014556" onclick="sync(this);return true" shape="rect">See diameter protocol</a></p>
</div>


<a name="id020303" shape="rect"></a>
<div class="topic">
<h3>diameter client</h3>

<p>diameter node at the edge of a network that performs access control</p>
</div>


<a name="p2xhtm-repid-4684" shape="rect"></a>
<div class="topic">
<h3>diameter extension</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016978#id016978" onclick="sync(this);return true" shape="rect">See diameter application</a></p>
</div>


<a name="id020613" shape="rect"></a>
<div class="topic">
<h3>diameter load-balancing service; <em>LBSDia</em></h3>

<p>application-layer load-balancing service for the diameter base protocol</p>
</div>


<a name="id020304" shape="rect"></a>
<div class="topic">
<h3>diameter message</h3>

<p>message that a diameter client generates to request authentication, authorisation, and accounting services for the user, or a message that a diameter server generates to respond to an AAA request sent by a diameter client or an unsolicited message generated by a diameter server</p>
</div>


<a name="id016981" shape="rect"></a>
<div class="topic">
<h3>diameter multimedia application; <em>Cx application</em></h3>

<p>diameter application for the Cx interface</p>
</div>


<a name="id020305" shape="rect"></a>
<div class="topic">
<h3>diameter node</h3>

<p>host process that implements the diameter protocol and acts as a client, agent, or server</p>
</div>


<a name="id014556" shape="rect"></a>
<div class="topic">
<h3>diameter protocol; <em>diameter base protocol</em></h3>

<p>authentication, authorisation, and accounting (AAA) protocol used for network access services, such as dial-up and mobile IP</p>
</div>


<a name="p2xhtm-repid-4690" shape="rect"></a>
<div class="topic">
<h3>diameter proxy</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020306#id020306" onclick="sync(this);return true" shape="rect">See diameter proxy agent</a></p>
</div>


<a name="id020306" shape="rect"></a>
<div class="topic">
<h3>diameter proxy agent; <em>diameter proxy</em></h3>

<p>diameter node that forwards requests and responses based on routing-related attribute-value pairs (AVP) and realm routing table entries, and makes policy decisions relating to resource usage and provisioning</p>
</div>


<a name="id020307" shape="rect"></a>
<div class="topic">
<h3>diameter redirect agent</h3>

<p>diameter node that provides the locations of diameter servers to diameter clients</p>
</div>


<a name="p2xhtm-repid-4693" shape="rect"></a>
<div class="topic">
<h3>diameter relay</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020308#id020308" onclick="sync(this);return true" shape="rect">See diameter relay agent</a></p>
</div>


<a name="id020308" shape="rect"></a>
<div class="topic">
<h3>diameter relay agent; <em>diameter relay</em></h3>

<p>diameter node that forwards requests and responses based on routing-related attribute-value pairs (AVP) and realm routing table entries without modifying the non-routing attribute-value pairs (AVP) in the message</p>
</div>


<a name="p2xhtm-repid-4695" shape="rect"></a>
<div class="topic">
<h3>dichotomising search</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02825#id02825" onclick="sync(this);return true" shape="rect">See binary search</a></p>
</div>


<a name="id010404" shape="rect"></a>
<div class="topic">
<h3>dictionary attack</h3>

<p>attack on a secret password in which an attacker tries to find a passwords in a specific list, such as an English dictionary or a list of most commonly used passwords</p>
</div>


<a name="p2xhtm-repid-4697" shape="rect"></a>
<div class="topic">
<h3>differential global positioning 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=id019715#id019715" onclick="sync(this);return true" shape="rect">See differential GPS</a></p>
</div>


<a name="id019715" shape="rect"></a>
<div class="topic">
<h3>differential GPS; <em>differential global positioning system</em>; <em>DGPS</em>; <em>D-GPS</em></h3>

<p>global positioning system (GPS) which corrects the bias errors at one location with measured bias errors at a known location</p>
</div>


<a name="id016071" shape="rect"></a>
<div class="topic">
<h3>differential link delay; <em>DLD</em></h3>

<p>delay on the physical links belonging to the inverse multiplexing for ATM (IMA) group</p>
</div>


<a name="id06151" shape="rect"></a>
<div class="topic">
<h3>differential phase shift keying; <em>DPSK</em></h3>

<p>modulation scheme in which the information is conveyed by changes in carrier phase during one interval relative to the preceding interval</p>
</div>


<a name="id094" shape="rect"></a>
<div class="topic">
<h3>differential pulse code modulation; <em>DPCM</em></h3>

<p>process in which a digital signal is sampled, and the difference between each sample of this signal and its estimated value is quantised and converted by encoding to a digital signal (The estimated values of the signal are calculated by a predictor from the quantised difference signal.)</p>
</div>


<a name="id012471" shape="rect"></a>
<div class="topic">
<h3>differential quadrature phase shift keying; <em>differential quaternary phase shift keying</em>; <em>DQPSK</em></h3>

<p>quadrature phase shift keying (QPSK) in which only the differences between the values of the phase of the sine wave are transmitted, instead of the full absolute value</p>
</div>


<a name="p2xhtm-repid-4703" shape="rect"></a>
<div class="topic">
<h3>differential quaternary phase shift keying</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012471#id012471" onclick="sync(this);return true" shape="rect">See differential quadrature phase shift keying</a></p>
</div>


<a name="id06831" shape="rect"></a>
<div class="topic">
<h3>differential voltage gain</h3>

<p>ratio of the differential output voltage of an amplifier to the differential input voltage of the amplifier</p>
</div>


<a name="id020054" shape="rect"></a>
<div class="topic">
<h3>differentiated charging</h3>

<p>charging that applies different tariffs based on the type of user traffic or other varying factors</p>
</div>


<a name="id011543" shape="rect"></a>
<div class="topic">
<h3>differentiated service; <em>DiffServ</em>; <em>DS</em></h3>

<p>service whose quality of service (QoS) depends on the subscribed profile and applications provided by the network operator</p>
</div>


<a name="id013837" shape="rect"></a>
<div class="topic">
<h3>differentiated services code point; <em>DSCP</em></h3>

<p>field in the IP header that indicates the per hop behaviour (PHB) that a packet receives</p>
</div>


<a name="id015100" shape="rect"></a>
<div class="topic">
<h3>differentiated services field; <em>DiffServ Field</em>; <em>DS field</em></h3>

<p>type of service (TOS) octet of an IPv4 header, or the IPv6 traffic class octet, in which six bits are used to store a differentiated services code point (DSCP)</p>
</div>


<a name="id018534" shape="rect"></a>
<div class="topic">
<h3>differentiated services quality of service policy information base; <em>DiffServ policy information base</em>; <em>DiffServ QoS PIB</em>; <em>DS-PIB</em></h3>

<p>policy information base which defines provisioning classes for devices that implements the differentiated services architecture</p>
</div>


<a name="id016191" shape="rect"></a>
<div class="topic">
<h3>differentiated services urgency importance; <em>DiffServ urgency importance</em>; <em>DSUI</em></h3>

<p>quality of service (QoS) model in which the packets are marked by two priorities that give information to the network nodes about the relative importance and urgency of the packets</p>
</div>


<a name="id016520" shape="rect"></a>
<div class="topic">
<h3>differentiated UBR</h3>

<p>service category for carrying differentiated services within an unspecified bit rate virtual channel (UBR-VC)</p>
</div>


<a name="id015099" shape="rect"></a>
<div class="topic">
<h3>Diffie-Hellman key exchange; <em>DH</em></h3>

<p>method for key exchange between two parties, in which each side of the communication generates a private key, then a public key which is a derivative of the private key, after which the parties exchange their public keys</p>
</div>


<a name="p2xhtm-repid-4713" shape="rect"></a>
<div class="topic">
<h3>diffraction fading</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06170#id06170" onclick="sync(this);return true" shape="rect">See k-fading</a></p>
</div>


<a name="p2xhtm-repid-4714" shape="rect"></a>
<div class="topic">
<h3>diffraction loss</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06170#id06170" onclick="sync(this);return true" shape="rect">See k-fading</a></p>
</div>


<a name="p2xhtm-repid-4715" shape="rect"></a>
<div class="topic">
<h3>DiffServ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011543#id011543" onclick="sync(this);return true" shape="rect">See differentiated service</a></p>
</div>


<a name="p2xhtm-repid-4716" shape="rect"></a>
<div class="topic">
<h3>DiffServ Field</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015100#id015100" onclick="sync(this);return true" shape="rect">See differentiated services field</a></p>
</div>


<a name="p2xhtm-repid-4717" shape="rect"></a>
<div class="topic">
<h3>DiffServ policy information base</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018534#id018534" onclick="sync(this);return true" shape="rect">See differentiated services quality of service policy information base</a></p>
</div>


<a name="p2xhtm-repid-4718" shape="rect"></a>
<div class="topic">
<h3>DiffServ QoS 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=id018534#id018534" onclick="sync(this);return true" shape="rect">See differentiated services quality of service policy information base</a></p>
</div>


<a name="p2xhtm-repid-4719" shape="rect"></a>
<div class="topic">
<h3>DiffServ urgency importance</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016191#id016191" onclick="sync(this);return true" shape="rect">See differentiated services urgency importance</a></p>
</div>


<a name="id019343" shape="rect"></a>
<div class="topic">
<h3>digest</h3>

<p>representation of text in the form of a single string of digits, created using a message digest algorithm (one-way hash function)</p>
</div>


<a name="id019702" shape="rect"></a>
<div class="topic">
<h3>digest schema; <em>digestion schema</em></h3>

<p>encryption method used in authentication</p>
</div>


<a name="p2xhtm-repid-4722" shape="rect"></a>
<div class="topic">
<h3>digestion schema</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019702#id019702" onclick="sync(this);return true" shape="rect">See digest schema</a></p>
</div>


<a name="id03843" shape="rect"></a>
<div class="topic">
<h3>digilogue channel</h3>

<p>channel in which information is represented by a digital signal at one end and the same information is represented by the corresponding analogue signal at the other end</p>
</div>


<a name="id0547" shape="rect"></a>
<div class="topic">
<h3>digit</h3>

<p>member selected from a finite set</p>
</div>


<a name="id0802" shape="rect"></a>
<div class="topic">
<h3>digit analysis</h3>

<p>analysis used to define the route destination of a call according to the received digit sequence included in incoming signalling and the origin of the incoming route or subscriber class</p>
</div>


<a name="id015103" shape="rect"></a>
<div class="topic">
<h3>digit analysis basic functionality</h3>

<p>feature that provides the digit analysis with the analysis starting point selection, address analysis, address type analysis, route selection, and configuration and management functions, and the required interfaces</p>
</div>


<a name="id013060" shape="rect"></a>
<div class="topic">
<h3>digit analysis test state</h3>

<p>test analysis by means of which the digit analysis can be tested with test traffic before it is implemented for normal traffic</p>
</div>


<a name="id013076" shape="rect"></a>
<div class="topic">
<h3>digit analysis tree</h3>

<p>analysis tree used for the analysis of digit sequences</p>
</div>


<a name="id0551" shape="rect"></a>
<div class="topic">
<h3>digit position</h3>

<p>position in time or space into which a representation of a digit may be placed</p>
</div>


<a name="id0550" shape="rect"></a>
<div class="topic">
<h3>digit rate</h3>

<p>number of digits per unit time</p>
</div>


<a name="id01317" shape="rect"></a>
<div class="topic">
<h3>digit sequence; <em>number</em></h3>

<p>string of decimal digits</p>
</div>


<a name="id01026" shape="rect"></a>
<div class="topic">
<h3>digit sequence integrity</h3>

<p>property of a digital transmission channel, telecommunication circuit or connection, that permits a digital signal to be conveyed over it without change to the order of any signal elements</p>
</div>


<a name="id0548" shape="rect"></a>
<div class="topic">
<h3>digit time-slot</h3>

<p>time slot allocated to a single digit</p>
</div>


<a name="id01659" shape="rect"></a>
<div class="topic">
<h3>digital</h3>

<p>phenomenon described with samples taken from it at fixed intervals</p>
</div>


<a name="id010837" shape="rect"></a>
<div class="topic">
<h3>digital advanced mobile phone service; <em>D-AMPS</em></h3>

<p>digital version of AMPS (Advanced Mobile Phone Service), which adds time division multiple access (TDMA) to AMPS to get three channels for each AMPS channel, tripling the number of calls that can be handled on a channel</p>
</div>


<a name="id014466" shape="rect"></a>
<div class="topic">
<h3>digital audio broadcasting; <em>DAB</em></h3>

<p>system designed for the delivery of high-quality digital audio program and data services for mobile, portable, and fixed reception from terrestrial or satellite transmitters, as well as for distribution through cable networks</p>
</div>


<a name="id011767" shape="rect"></a>
<div class="topic">
<h3>digital audio tape; <em>DAT</em></h3>

<p>digital storage system meant for storing audiophonical data in digital format</p>
</div>


<a name="id098" shape="rect"></a>
<div class="topic">
<h3>digital block</h3>

<p>combination of a digital link and associated digital multiplex equipment</p>
</div>


<a name="id0197" shape="rect"></a>
<div class="topic">
<h3>digital branching equipment</h3>

<p>device or system which enables the branching of digital transmission channels or channel groups to different transmission connections</p>
</div>


<a name="id08139" shape="rect"></a>
<div class="topic">
<h3>digital cellular network</h3>

<p>cellular network based on the transmission of digital signals</p>
</div>


<a name="id010843" shape="rect"></a>
<div class="topic">
<h3>digital cellular system; <em>DCS</em>; <em>GSM/DCS</em></h3>

<p>digital communication standard for mobile communications and digital mobile telephone transmissions based on GSM technology, which uses a higher radio frequency than those originally used by GSM networks, increases network capacity and reduces system congestion</p>
</div>


<a name="id06891" shape="rect"></a>
<div class="topic">
<h3>Digital Cellular System for 1800 MHz; <em>DCS1800</em></h3>

<p>mobile communications system that is based on the specifications of GSM and that aims at more efficient use of micro cells</p>
</div>


<a name="id012525" shape="rect"></a>
<div class="topic">
<h3>digital certificate; <em>certificate</em></h3>

<p>security mechanism used as a digital version of an ID card and issued by a certificate authority to establish the identity of a user or an organisation when doing business on the Internet</p>
</div>


<a name="p2xhtm-repid-4744" shape="rect"></a>
<div class="topic">
<h3>digital channel</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03542#id03542" onclick="sync(this);return true" shape="rect">See digital transmission channel</a></p>
</div>


<a name="id015357" shape="rect"></a>
<div class="topic">
<h3>digital circuit</h3>

<p>circuit used for transferring pulse code modulation (PCM) signals or other digital signals</p>
</div>


<a name="p2xhtm-repid-4746" shape="rect"></a>
<div class="topic">
<h3>digital 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=id03415#id03415" onclick="sync(this);return true" shape="rect">See digital trunk circuit</a></p>
</div>


<a name="p2xhtm-repid-4747" shape="rect"></a>
<div class="topic">
<h3>digital 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=id03758#id03758" onclick="sync(this);return true" shape="rect">See digital telecommunication circuit</a></p>
</div>


<a name="id05088" shape="rect"></a>
<div class="topic">
<h3>digital circuit multiplication equipment; <em>DCME</em></h3>

<p>general class of equipment which permits concentration of a number of 64 kbit/s pulse code modulation (PCM) encoded input trunk channels on a reduced number of transmission channels</p>
</div>


<a name="id03224" shape="rect"></a>
<div class="topic">
<h3>digital connection</h3>

<p>concatenation of digital transmission channels or digital telecommunication circuits, switching or other functional units set up to provide for the transfer of digital signals between two or more points in a telecommunication network, to support a single connection</p>
</div>


<a name="id09403" shape="rect"></a>
<div class="topic">
<h3>digital connectivity of teleservices</h3>

<p>service which enables a user to be connected to a digital circuit from the originating exchange to the destination exchange</p>
</div>


<a name="p2xhtm-repid-4751" shape="rect"></a>
<div class="topic">
<h3>digital content 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=id018265#id018265" onclick="sync(this);return true" shape="rect">See DRM content format</a></p>
</div>


<a name="p2xhtm-repid-4752" shape="rect"></a>
<div class="topic">
<h3>digital cross-connector</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08411#id08411" onclick="sync(this);return true" shape="rect">See cross-connector</a></p>
</div>


<a name="id09081" shape="rect"></a>
<div class="topic">
<h3>digital data storage; <em>DDS</em></h3>

<p>format for data storage drives which use and are built on digital audio tape (DAT) technology</p>
</div>


<a name="id03567" shape="rect"></a>
<div class="topic">
<h3>digital demultiplexer</h3>

<p>equipment that separates a composite digital signal into its component digital signals</p>
</div>


<a name="id03799" shape="rect"></a>
<div class="topic">
<h3>digital demultiplexing</h3>

<p>separation of a composite digital signal into its component digital signals</p>
</div>


<a name="id03875" shape="rect"></a>
<div class="topic">
<h3>digital distribution frame; <em>DDF</em></h3>

<p>structure that provides flexibility of semipermanent interconnection of digital channels or digital circuits</p>
</div>


<a name="p2xhtm-repid-4757" shape="rect"></a>
<div class="topic">
<h3>digital error</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0107#id0107" onclick="sync(this);return true" shape="rect">See error</a></p>
</div>


<a name="id04404" shape="rect"></a>
<div class="topic">
<h3>Digital European Cordless Telecommunications; <em>DECT</em></h3>

<p>standard for digital cordless telecommunications issued by European Telecommunications Standards Institute (ETSI)</p>
</div>


<a name="id01924" shape="rect"></a>
<div class="topic">
<h3>digital exchange; <em>DX</em></h3>

<p>electronic exchange that switches information in digital form through its switching devices</p>
</div>


<a name="id0106" shape="rect"></a>
<div class="topic">
<h3>digital filling</h3>

<p>addition of signal elements at regular intervals to a digital signal to change the digit rate from its original value to a predetermined higher value</p>
</div>


<a name="id013826" shape="rect"></a>
<div class="topic">
<h3>digital IF loop; <em>digital intermediate frequency loop</em></h3>

<p>test loop which verifies the operation of the signal path from encoder via spreader to wideband transmitter and receiver and back to encoder via a decoder block</p>
</div>


<a name="id02255" shape="rect"></a>
<div class="topic">
<h3>digital interface</h3>

<p>interface in which the signal is in digital form</p>
</div>


<a name="p2xhtm-repid-4763" shape="rect"></a>
<div class="topic">
<h3>digital intermediate frequency loop</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013826#id013826" onclick="sync(this);return true" shape="rect">See digital IF loop</a></p>
</div>


<a name="id01731" shape="rect"></a>
<div class="topic">
<h3>digital line equipment</h3>

<p>device for transmitting digital signals over cable connections such as a symmetric pair or coaxial pair</p>
</div>


<a name="id096" shape="rect"></a>
<div class="topic">
<h3>digital line link</h3>

<p>digital link that comprises a digital line section or a number of tandem-connected digital line sections</p>
</div>


<a name="p2xhtm-repid-4766" shape="rect"></a>
<div class="topic">
<h3>digital line path</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id096#id096" onclick="sync(this);return true" shape="rect">See digital line link</a></p>
</div>


<a name="id095" shape="rect"></a>
<div class="topic">
<h3>digital line section</h3>

<p>digital section implemented on a single type of manufactured transmission medium such as a symmetric pair, coaxial pair, or optical fibre</p>
</div>


<a name="id03829" shape="rect"></a>
<div class="topic">
<h3>digital line system</h3>

<p>digital transmission system that provides a digital line section</p>
</div>


<a name="id0105" shape="rect"></a>
<div class="topic">
<h3>digital link; <em>digital transmission link</em></h3>

<p>transmission link for the transmission of a digital signal of specified rate between two digital distribution frames (or equivalent)</p>
</div>


<a name="id08658" shape="rect"></a>
<div class="topic">
<h3>digital loop carrier; <em>DLC</em></h3>

<p>carrier's local loop infrastructure that connects end users located more than 18,000 feet or 3.5 miles away from the central office</p>
</div>


<a name="id0738" shape="rect"></a>
<div class="topic">
<h3>digital loss pad; <em>digital pad</em></h3>

<p>device or method by which a digital signal is altered in order to produce a wanted standard attenuation on the corresponding decoded analogue signal</p>
</div>


<a name="id08546" shape="rect"></a>
<div class="topic">
<h3>digital microwave radio; <em>microwave radio</em>; <em>DMR</em>; <em>MWR</em></h3>

<p>radio link used in transmission inside a base station system</p>
</div>


<a name="id097" shape="rect"></a>
<div class="topic">
<h3>digital multiplex equipment</h3>

<p>combination of a digital multiplexer and a digital demultiplexer at the same location, operating in opposite directions of transmission</p>
</div>


<a name="id0110" shape="rect"></a>
<div class="topic">
<h3>digital multiplex hierarchy</h3>

<p>series of digital multiplexers graded according to capability so that multiplexing at one level combines a defined number of digital signals, each having the digit rate prescribed for a lower order, into a digital signal having a prescribed digit rate which is then available for further combination with other digital signals of the same rate in a digital multiplexer of the next higher order</p>
</div>


<a name="id03633" shape="rect"></a>
<div class="topic">
<h3>digital multiplexer</h3>

<p>equipment that combines several digital signals into a single composite digital signal by time division multiplexing</p>
</div>


<a name="id03796" shape="rect"></a>
<div class="topic">
<h3>digital multiplexing; <em>DM</em></h3>

<p>form of time division multiplexing applied to digital channels which convey digital signals</p>
</div>


<a name="id09015" shape="rect"></a>
<div class="topic">
<h3>digital multiplexing radio; <em>DMR</em></h3>

<p>microwave radio equipment used in cellular transmission</p>
</div>


<a name="id05492" shape="rect"></a>
<div class="topic">
<h3>digital multiprocessor control bus; <em>DMC bus</em></h3>

<p>internal processor bus of one microcomputer in the DX 200 system</p>
</div>


<a name="p2xhtm-repid-4779" shape="rect"></a>
<div class="topic">
<h3>digital 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=id0269#id0269" onclick="sync(this);return true" shape="rect">See integrated digital network</a></p>
</div>


<a name="id04590" shape="rect"></a>
<div class="topic">
<h3>digital network</h3>

<p>telecommunication network where data is transmitted in digital form</p>
</div>


<a name="p2xhtm-repid-4781" shape="rect"></a>
<div class="topic">
<h3>digital 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=id03414#id03414" onclick="sync(this);return true" shape="rect">See digital switching node</a></p>
</div>


<a name="id01721" shape="rect"></a>
<div class="topic">
<h3>digital PABX; <em>DPBX</em></h3>

<p>private automatic branch exchange (PABX) which switches information in digital form</p>
</div>


<a name="p2xhtm-repid-4783" shape="rect"></a>
<div class="topic">
<h3>digital pad</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0738#id0738" onclick="sync(this);return true" shape="rect">See digital loss pad</a></p>
</div>


<a name="p2xhtm-repid-4784" shape="rect"></a>
<div class="topic">
<h3>digital path</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0105#id0105" onclick="sync(this);return true" shape="rect">See digital link</a></p>
</div>


<a name="id012086" shape="rect"></a>
<div class="topic">
<h3>digital private network signalling system; <em>DPNSS</em></h3>

<p>system for PBX-to-PBX signalling over a private-network digital local circuit to the integrated services digital network (ISDN)</p>
</div>


<a name="id0103" shape="rect"></a>
<div class="topic">
<h3>digital radio link</h3>

<p>digital link that comprises a digital radio section or a number of tandem-connected digital radio sections</p>
</div>


<a name="p2xhtm-repid-4787" shape="rect"></a>
<div class="topic">
<h3>digital radio path</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0103#id0103" onclick="sync(this);return true" shape="rect">See digital radio link</a></p>
</div>


<a name="id0101" shape="rect"></a>
<div class="topic">
<h3>digital radio section</h3>

<p>digital section implemented on a radio-relay system</p>
</div>


<a name="id03822" shape="rect"></a>
<div class="topic">
<h3>digital radio system</h3>

<p>digital transmission system that provides a digital radio section</p>
</div>


<a name="p2xhtm-repid-4790" shape="rect"></a>
<div class="topic">
<h3>digital 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=id01800#id01800" onclick="sync(this);return true" shape="rect">See repeater</a></p>
</div>


<a name="id014504" shape="rect"></a>
<div class="topic">
<h3>digital rights management; <em>DRM</em></h3>

<p>rights management system which ensures that content can only be used when the relevant conditions, determined by the copyright owner, have been met</p>
</div>


<a name="id016669" shape="rect"></a>
<div class="topic">
<h3>digital rights management module; <em>DRM module</em>; <em>DRMM</em></h3>

<p>software module which handles the rights objects for digital rights management (DRM) protected content, and provides a mechanism to package and encrypt content within Open Mobile Alliance (OMA) DRM specification</p>
</div>


<a name="id018693" shape="rect"></a>
<div class="topic">
<h3>digital rights management module interface; <em>DRMM interface</em></h3>

<p>internal interface in the digital rights management module (DRMM) for generating DCFs, DRM messages, or rights objects for the delivery server core (DLSC)</p>
</div>


<a name="id099" shape="rect"></a>
<div class="topic">
<h3>digital section</h3>

<p>whole of the means of digital transmission of a digital signal of specified rate between two consecutive digital distribution frames (or equivalent)</p>
</div>


<a name="id0102" shape="rect"></a>
<div class="topic">
<h3>digital signal</h3>

<p>discretely timed signal in which information is represented by a number of well-defined discrete values that one of its characteristic quantities may take in time</p>
</div>


<a name="id010848" shape="rect"></a>
<div class="topic">
<h3>digital signal processing; <em>DSP</em></h3>

<p>study of signals in a digital representation and the processing methods of these signals</p>
</div>


<a name="id013513" shape="rect"></a>
<div class="topic">
<h3>digital signal processing platform; <em>DSP platform</em></h3>

<p>platform on top of which the digital signal processing applications are built</p>
</div>


<a name="id013397" shape="rect"></a>
<div class="topic">
<h3>digital signal processing software; <em>DSP software</em>; <em>DSP SW</em></h3>

<p>software that provides digital signal processing in network elements</p>
</div>


<a name="id05064" shape="rect"></a>
<div class="topic">
<h3>digital signal processor; <em>DSP</em></h3>

<p>processor designed for signal handling, resembling an ordinary microprocessor</p>
</div>


<a name="p2xhtm-repid-4800" shape="rect"></a>
<div class="topic">
<h3>digital signaling data link /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=id04361#id04361" onclick="sync(this);return true" shape="rect">See digital signalling data link</a></p>
</div>


<a name="id04361" shape="rect"></a>
<div class="topic">
<h3>digital signalling data link; <em>digital signaling data link /US/</em></h3>

<p>data link that provides an interface to signalling terminals and is made up of digital transmission channels and digital switches on their terminating equipment</p>
</div>


<a name="id010537" shape="rect"></a>
<div class="topic">
<h3>digital signature; <em>signature</em></h3>

<p>character string calculated using cryptographic methods, by means of which the transmitting party's identity and the integrity of the material can be ensured</p>
</div>


<a name="id015101" shape="rect"></a>
<div class="topic">
<h3>digital signature algorithm; <em>signing algorithm</em>; <em>DSA</em></h3>

<p>public key algorithm for digital signatures based on the digital signature standard</p>
</div>


<a name="p2xhtm-repid-4804" shape="rect"></a>
<div class="topic">
<h3>digital signature PIN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014681#id014681" onclick="sync(this);return true" shape="rect">See signing PIN</a></p>
</div>


<a name="id015102" shape="rect"></a>
<div class="topic">
<h3>digital signature standard; <em>DSS</em></h3>

<p>standard, defined by the National Institute of Standards and Technology (NIST), for digital signatures using the digital signature algorithm (DSA) and the improved version of the secure hash algorithm, SHA-1</p>
</div>


<a name="p2xhtm-repid-4806" shape="rect"></a>
<div class="topic">
<h3>digital signing PIN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014681#id014681" onclick="sync(this);return true" shape="rect">See signing PIN</a></p>
</div>


<a name="id08716" shape="rect"></a>
<div class="topic">
<h3>digital subscriber line; <em>xDSL</em>; <em>DSL</em></h3>

<p>family of digital telecommunications technologies designed to allow high-speed data communication over the existing copper telephone lines between end-users and telephone companies</p>
</div>


<a name="id08661" shape="rect"></a>
<div class="topic">
<h3>digital subscriber line access multiplexer; <em>DSLAM</em></h3>

<p>multiplexing equipment that contains a high concentration of central office splitters, xDSL modems, and other electronic equipment to connect traffic to the wide area network (WAN)</p>
</div>


<a name="id05651" shape="rect"></a>
<div class="topic">
<h3>Digital Subscriber Signalling System No. 1; <em>DSS 1</em></h3>

<p>common channel signalling system used in the data terminal equipment (DTE) signalling of an ISDN subscriber connection</p>
</div>


<a name="id0104" shape="rect"></a>
<div class="topic">
<h3>digital sum</h3>

<p>algebraic sum of the disparities of a sequence of consecutive defined groups of signal elements</p>
</div>


<a name="id0113" shape="rect"></a>
<div class="topic">
<h3>digital sum variation</h3>

<p>difference between the maximum possible digital sum and the minimum possible digital sum of a specified number of groups of signal elements</p>
</div>


<a name="id0108" shape="rect"></a>
<div class="topic">
<h3>digital switching</h3>

<p>switching by means that may assume in time any one of a defined set of discrete signal states, in order to convey digital signals</p>
</div>


<a name="id03414" shape="rect"></a>
<div class="topic">
<h3>digital switching node; <em>digital node</em></h3>

<p>node at which digital switching occurs</p>
</div>


<a name="id03758" shape="rect"></a>
<div class="topic">
<h3>digital telecommunication circuit; <em>digital circuit</em></h3>

<p>combination of two digital transmission channels permitting bidirectional digital transmission in both directions between two points, to support a single communication</p>
</div>


<a name="id012000" shape="rect"></a>
<div class="topic">
<h3>digital television; <em>DTV</em></h3>

<p>digital television based on European DVB standard</p>
</div>


<a name="id011768" shape="rect"></a>
<div class="topic">
<h3>digital terminal equipment</h3>

<p>terminal equipment which connects a computer unit to digital data network</p>
</div>


<a name="id011999" shape="rect"></a>
<div class="topic">
<h3>digital terrestrial television; <em>DTTV</em></h3>

<p>digital television, based on the DVB-T standard, that uses terrestrial broadcasting instead of direct satellite broadcasting</p>
</div>


<a name="id01485" shape="rect"></a>
<div class="topic">
<h3>digital transmission</h3>

<p>transmission of digital signals by means of a channel or channels that may assume in time any one of a defined set of discrete states</p>
</div>


<a name="id03542" shape="rect"></a>
<div class="topic">
<h3>digital transmission channel; <em>digital channel</em></h3>

<p>means of unidirectional digital transmission of digital signals between two points</p>
</div>


<a name="p2xhtm-repid-4820" shape="rect"></a>
<div class="topic">
<h3>digital transmission link</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0105#id0105" onclick="sync(this);return true" shape="rect">See digital link</a></p>
</div>


<a name="id03725" shape="rect"></a>
<div class="topic">
<h3>digital transmission system</h3>

<p>specific means of providing a digital section</p>
</div>


<a name="id03549" shape="rect"></a>
<div class="topic">
<h3>digital transparency; <em>transparency</em></h3>

<p>property of a digital transmission channel, telecommunication circuit or connection that permits any digital signal to be conveyed over it without change to the value or order of any signal elements</p>
</div>


<a name="id03415" shape="rect"></a>
<div class="topic">
<h3>digital trunk circuit; <em>digital circuit</em></h3>

<p>trunk circuit which transmits information signals in digital form between two exchanges. It includes termination equipment but not switching stages</p>
</div>


<a name="id012001" shape="rect"></a>
<div class="topic">
<h3>digital video broadcasting; <em>DVB</em></h3>

<p>standard for digital satellite, cable, and terrestrial broadcasting</p>
</div>


<a name="id06648" shape="rect"></a>
<div class="topic">
<h3>digital wireless local loop; <em>digital WLL</em>; <em>DWLL</em></h3>

<p>digital wireless local loop system</p>
</div>


<a name="p2xhtm-repid-4826" shape="rect"></a>
<div class="topic">
<h3>digital WLL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06648#id06648" onclick="sync(this);return true" shape="rect">See digital wireless local loop</a></p>
</div>


<a name="p2xhtm-repid-4827" shape="rect"></a>
<div class="topic">
<h3>digital-to-analog converter /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=id04913#id04913" onclick="sync(this);return true" shape="rect">See digital-to-analogue converter</a></p>
</div>


<a name="id04913" shape="rect"></a>
<div class="topic">
<h3>digital-to-analogue converter; <em>d/a converter</em>; <em>digital-to-analog converter /US/</em>; <em>DAC</em></h3>

<p>device that converts a digital input signal to an analogue output signal carrying equivalent information</p>
</div>


<a name="p2xhtm-repid-4829" shape="rect"></a>
<div class="topic">
<h3>digroup /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=id0591#id0591" onclick="sync(this);return true" shape="rect">See primary PCM group</a></p>
</div>


<a name="p2xhtm-repid-4830" shape="rect"></a>
<div class="topic">
<h3>DII</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012135#id012135" onclick="sync(this);return true" shape="rect">See dynamic invocation interface</a></p>
</div>


<a name="p2xhtm-repid-4831" shape="rect"></a>
<div class="topic">
<h3>dimensioning</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015439#id015439" onclick="sync(this);return true" shape="rect">See network dimensioning</a></p>
</div>


<a name="id08736" shape="rect"></a>
<div class="topic">
<h3>dimensioning period; <em>dimensioning period of peak hour measurement</em></h3>

<p>period of time during which the dimensioning value is determined and after which the total report is output</p>
</div>


<a name="p2xhtm-repid-4833" shape="rect"></a>
<div class="topic">
<h3>dimensioning period of peak hour 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=id08736#id08736" onclick="sync(this);return true" shape="rect">See dimensioning period</a></p>
</div>


<a name="id09521" shape="rect"></a>
<div class="topic">
<h3>dimensioning scale</h3>

<p>table composed for the dimensioning of route, which contains the number of circuits for different dimensioning values and congestions</p>
</div>


<a name="id08735" shape="rect"></a>
<div class="topic">
<h3>dimensioning value; <em>dimensioning value of peak hour measurement</em></h3>

<p>sum of the past year's biggest average daily peak hour (ADPH) value and a realistic traffic prognosis</p>
</div>


<a name="p2xhtm-repid-4836" shape="rect"></a>
<div class="topic">
<h3>dimensioning value of peak hour 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=id08735#id08735" onclick="sync(this);return true" shape="rect">See dimensioning value</a></p>
</div>


<a name="p2xhtm-repid-4837" shape="rect"></a>
<div class="topic">
<h3>diode laser</h3>

<p><a href="NED?action=retrieve&amp;identifier=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="id013655" shape="rect"></a>
<div class="topic">
<h3>diplexer</h3>

<p>coupling system that allows two different transmitters to operate simultaneously or separately from the same antenna</p>
</div>


<a name="id06153" shape="rect"></a>
<div class="topic">
<h3>dipole antenna</h3>

<p>antenna producing a radiation pattern approximating that of an elementary electric dipole</p>
</div>


<a name="id011023" shape="rect"></a>
<div class="topic">
<h3>direct access</h3>

<p>access using only the GSM public land mobile network (PLMN) bearer services and signalling</p>
</div>


<a name="id0427" shape="rect"></a>
<div class="topic">
<h3>direct access; <em>direct memory access</em>; <em>DMA</em></h3>

<p>data transmission method where data is transmitted between hardware (for example, a disk drive and display) and memory without putting it through the central processing unit thus loading it</p>
</div>


<a name="id07532" shape="rect"></a>
<div class="topic">
<h3>direct access; <em>direct access connection element</em></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="p2xhtm-repid-4843" shape="rect"></a>
<div class="topic">
<h3>direct access connection 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=id07532#id07532" onclick="sync(this);return true" shape="rect">See direct access</a></p>
</div>


<a name="id011216" shape="rect"></a>
<div class="topic">
<h3>direct access to desired layer/band; <em>DADL/B</em></h3>

<p>handover that can be used in the dual band environment to direct the traffic in the call set-up phase from the stand-alone dedicated control channel (SDCCH) of the accessed macro/GSM900 cell to a traffic channel (TCH) of another micro/GSM1800 cell which is allocated from other frequency band than the frequency band of the accessed cell</p>
</div>


<a name="id0983" shape="rect"></a>
<div class="topic">
<h3>direct address; <em>one-level address</em></h3>

<p>address that designates a storage location of a data item which is treated as an operand</p>
</div>


<a name="id020513" shape="rect"></a>
<div class="topic">
<h3>direct announcement</h3>

<p>announcement which is given when the subscriber calls a specific announcement service number such as the time service</p>
</div>


<a name="id010405" shape="rect"></a>
<div class="topic">
<h3>direct billing class</h3>

<p>contract-based information, which is set to the subscriber or incoming circuit group data, telling which international carrier access codes (CAC) have to be replaced with another CAC or with the corresponding direct billing codes</p>
</div>


<a name="id06897" shape="rect"></a>
<div class="topic">
<h3>direct billing code</h3>

<p>code equivalent to the operator's code which can be used to carry out charging on an operator-specific basis</p>
</div>


<a name="id06896" shape="rect"></a>
<div class="topic">
<h3>direct billing contract</h3>

<p>contract with which a subscriber can arrange for his or her long distance or international calls or both to be billed directly</p>
</div>


<a name="p2xhtm-repid-4850" shape="rect"></a>
<div class="topic">
<h3>direct 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=id04586#id04586" onclick="sync(this);return true" shape="rect">See fixed destination call</a></p>
</div>


<a name="p2xhtm-repid-4851" shape="rect"></a>
<div class="topic">
<h3>direct current 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=id02253#id02253" onclick="sync(this);return true" shape="rect">See direct current signalling</a></p>
</div>


<a name="id02253" shape="rect"></a>
<div class="topic">
<h3>direct current signalling; <em>direct current signaling /US/</em></h3>

<p>signalling method in which the signalling information may be represented by controlling the direct current magnitude, polarity, and duration or a combination thereof</p>
</div>


<a name="id011024" shape="rect"></a>
<div class="topic">
<h3>direct data access; <em>DDA</em></h3>

<p>feature which supports asynchronous data transmission between a GSM mobile station and the interworking function (IWF) or external device</p>
</div>


<a name="id016266" shape="rect"></a>
<div class="topic">
<h3>direct data access pool; <em>DDA pool</em></h3>

<p>pool that consists of protocol controllers with external V.24/V.28 interfaces (LAN) provided for direct data access</p>
</div>


<a name="p2xhtm-repid-4855" shape="rect"></a>
<div class="topic">
<h3>direct dialing-in /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=id02248#id02248" onclick="sync(this);return true" shape="rect">See direct dialling-in</a></p>
</div>


<a name="p2xhtm-repid-4856" shape="rect"></a>
<div class="topic">
<h3>direct dialling 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=id02248#id02248" onclick="sync(this);return true" shape="rect">See direct dialling-in</a></p>
</div>


<a name="id02248" shape="rect"></a>
<div class="topic">
<h3>direct dialling-in; <em>direct dialling in</em>; <em>direct dialing-in /US/</em>; <em>direct inward dialing /US/</em>; <em>DDI</em></h3>

<p>service which enables the user to call another user directly on a private automatic branch exchange (PABX) or other private system telephone without attendant intervention</p>
</div>


<a name="id010745" shape="rect"></a>
<div class="topic">
<h3>direct dialling-in call return; <em>DDI call return</em></h3>

<p>call return facility for centrex in which calls remaining unanswered in a centrex group are diverted to the call return number after a defined time-out</p>
</div>


<a name="id04602" shape="rect"></a>
<div class="topic">
<h3>direct dialling-in number; <em>in-dialling number</em>; <em>direct number</em>; <em>direct inward number</em>; <em>DDI number</em>; <em>in-dialing number /US/</em></h3>

<p>subscriber number the use of which forwards the call directly to the extension without the attendant's assistance</p>
</div>


<a name="id013624" shape="rect"></a>
<div class="topic">
<h3>direct digital synthesis; <em>direct-digital frequency synthesis</em>; <em>DDS</em></h3>

<p>frequency synthesis in which logic and memory are used to digitally construct the desired output signal, and a digital-to-analogue converter is used</p>
</div>


<a name="p2xhtm-repid-4861" shape="rect"></a>
<div class="topic">
<h3>direct inward 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=id02248#id02248" onclick="sync(this);return true" shape="rect">See direct dialling-in</a></p>
</div>


<a name="p2xhtm-repid-4862" shape="rect"></a>
<div class="topic">
<h3>direct inward 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="id010660" shape="rect"></a>
<div class="topic">
<h3>direct manipulation</h3>

<p>use of the functions of an information system according to the choices of the user</p>
</div>


<a name="p2xhtm-repid-4864" shape="rect"></a>
<div class="topic">
<h3>direct memory 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=id0427#id0427" onclick="sync(this);return true" shape="rect">See direct access</a></p>
</div>


<a name="id015796" shape="rect"></a>
<div class="topic">
<h3>direct memory access controller; <em>DMA controller</em>; <em>DMAC</em></h3>

<p>system that allows I/O devices to transfer data directly to and from memory</p>
</div>


<a name="p2xhtm-repid-4866" shape="rect"></a>
<div class="topic">
<h3>direct 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="id04564" shape="rect"></a>
<div class="topic">
<h3>direct read</h3>

<p>special fastread where the fastread is made through bypassing the management system of a database</p>
</div>


<a name="p2xhtm-repid-4868" shape="rect"></a>
<div class="topic">
<h3>direct route</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0140#id0140" onclick="sync(this);return true" shape="rect">See primary subdestination</a></p>
</div>


<a name="id013061" shape="rect"></a>
<div class="topic">
<h3>direct routing</h3>

<p>routing in which the calls are routed directly from the originating network within the portability domain</p>
</div>


<a name="p2xhtm-repid-4870" shape="rect"></a>
<div class="topic">
<h3>direct routing</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08820#id08820" onclick="sync(this);return true" shape="rect">See direct traffic</a></p>
</div>


<a name="id013656" shape="rect"></a>
<div class="topic">
<h3>direct sequence</h3>

<p>phase modulation of a carrier by a digital code sequence whose chip rate is much higher than the information signal bandwidth</p>
</div>


<a name="id010821" shape="rect"></a>
<div class="topic">
<h3>direct sequence spread spectrum; <em>DSSS</em></h3>

<p>spread spectrum radio technology in which network devices transmit all data on a fixed frequency</p>
</div>


<a name="id08820" shape="rect"></a>
<div class="topic">
<h3>direct traffic</h3>

<p>traffic directed to the primary subdestination of the first circuit group</p>
</div>


<a name="p2xhtm-repid-4874" shape="rect"></a>
<div class="topic">
<h3>direct 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=id014796#id014796" onclick="sync(this);return true" shape="rect">See direct transfer procedure</a></p>
</div>


<a name="id04451" shape="rect"></a>
<div class="topic">
<h3>direct transfer application part; <em>DTAP</em></h3>

<p>user part which transmits the messages transparent as regards the base station system (BSS) between a mobile station (MS) and the mobile services switching centre (MSC)</p>
</div>


<a name="id014796" shape="rect"></a>
<div class="topic">
<h3>direct transfer procedure; <em>direct transfer</em></h3>

<p>elementary procedure for carrying signalling messages between the mobile station and core network over the Iu Interface</p>
</div>


<a name="p2xhtm-repid-4877" shape="rect"></a>
<div class="topic">
<h3>direct-digital frequency synthesis</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013624#id013624" onclick="sync(this);return true" shape="rect">See direct digital synthesis</a></p>
</div>


<a name="id011998" shape="rect"></a>
<div class="topic">
<h3>direct-to-home; <em>DTH</em></h3>

<p>a type of satellite broadcasting where TV-programs come directly from satellite to a residential satellite antenna</p>
</div>


<a name="id08638" shape="rect"></a>
<div class="topic">
<h3>directed retry; <em>directed retry procedure</em>; <em>DR</em></h3>

<p>facility in a cellular radio system allowing the mobile subscriber to make a second attempt at gaining access if the first fails due to congestion</p>
</div>


<a name="p2xhtm-repid-4880" shape="rect"></a>
<div class="topic">
<h3>directed retry 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=id08638#id08638" onclick="sync(this);return true" shape="rect">See directed retry</a></p>
</div>


<a name="p2xhtm-repid-4881" shape="rect"></a>
<div class="topic">
<h3>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=id04254#id04254" onclick="sync(this);return true" shape="rect">See number destination</a></p>
</div>


<a name="id0701" shape="rect"></a>
<div class="topic">
<h3>direction</h3>

<p>property of trunks, bundles or circuit groups defining the traffic direction in relation to the exchange concerned (The direction can be incoming, outgoing or bidirectional.)</p>
</div>


<a name="id03705" shape="rect"></a>
<div class="topic">
<h3>direction of transmission</h3>

<p>direction in which signal is transmitted</p>
</div>


<a name="id06222" shape="rect"></a>
<div class="topic">
<h3>directional antenna; <em>beam antenna</em></h3>

<p>antenna that radiaties or receives radio waves more effectively in some directions than in others</p>
</div>


<a name="id018762" shape="rect"></a>
<div class="topic">
<h3>directional coupler</h3>

<p>device put in a microwave system's waveguide to couple a transmitter and receiver to the same antenna</p>
</div>


<a name="p2xhtm-repid-4886" shape="rect"></a>
<div class="topic">
<h3>directional 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=id08771#id08771" onclick="sync(this);return true" shape="rect">See number destination measurement</a></p>
</div>


<a name="id03285" shape="rect"></a>
<div class="topic">
<h3>directional observation</h3>

<p>part of traffic observation in which single incoming or outgoing number destination or pair of number destinations composed of these can be observed call-specifically</p>
</div>


<a name="id05633" shape="rect"></a>
<div class="topic">
<h3>directional pattern; <em>radiation diagram</em>; <em>radiation pattern</em></h3>

<p>representation of the strength and direction of electromagnetic radiation in the vicinity of a transmitting antenna</p>
</div>


<a name="id07636" shape="rect"></a>
<div class="topic">
<h3>directory</h3>

<p>structure containing one or more files and a description of those files</p>
</div>


<a name="p2xhtm-repid-4890" shape="rect"></a>
<div class="topic">
<h3>directory assistance</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02221#id02221" onclick="sync(this);return true" shape="rect">See directory assistance service</a></p>
</div>


<a name="id02221" shape="rect"></a>
<div class="topic">
<h3>directory assistance service; <em>directory assistance</em>; <em>directory inquiry service</em>; <em>DAS</em>; <em>DA</em></h3>

<p>information service by which callers can be informed of subscribers' telephone numbers</p>
</div>


<a name="p2xhtm-repid-4892" shape="rect"></a>
<div class="topic">
<h3>directory information tree</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09082#id09082" onclick="sync(this);return true" shape="rect">See directory tree</a></p>
</div>


<a name="p2xhtm-repid-4893" shape="rect"></a>
<div class="topic">
<h3>directory inquiry 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=id02221#id02221" onclick="sync(this);return true" shape="rect">See directory assistance service</a></p>
</div>


<a name="id04579" shape="rect"></a>
<div class="topic">
<h3>directory number</h3>

<p>subscriber number listed in a telephone directory</p>
</div>


<a name="p2xhtm-repid-4895" shape="rect"></a>
<div class="topic">
<h3>directory 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=id0754#id0754" onclick="sync(this);return true" shape="rect">See subscriber number</a></p>
</div>


<a name="id09706" shape="rect"></a>
<div class="topic">
<h3>directory number analysis</h3>

<p>function producing a unique reference to the database according to the analysed number, thus offering an aid to access user database with the help of directory number</p>
</div>


<a name="id017171" shape="rect"></a>
<div class="topic">
<h3>directory schema; <em>schema</em></h3>

<p>set of rules and constraints concerning directory information tree (DIT) structure, object class definitions, attribute types, and syntaxes which characterise the directory information base (DIB)</p>
</div>


<a name="id020894" shape="rect"></a>
<div class="topic">
<h3>directory server</h3>

<p>server that provides central administration of directory naming objects and thus facilitates a reduction of the work effort associated with adding or relocating services</p>
</div>


<a name="id014557" shape="rect"></a>
<div class="topic">
<h3>directory tool</h3>

<p>tool for accessing data stored in a directory and making administrative actions for the contents of the data</p>
</div>


<a name="id09082" shape="rect"></a>
<div class="topic">
<h3>directory tree; <em>directory information tree</em>; <em>DIT</em></h3>

<p>hierarchical tree-like structure with the purpose of managing file directories</p>
</div>


<a name="id015104" shape="rect"></a>
<div class="topic">
<h3>directory-enabled networking; <em>DEN</em></h3>

<p>industry-standard initiative and specification on how to construct and store information about a network's users, applications, and data in a central directory</p>
</div>


<a name="id019559" shape="rect"></a>
<div class="topic">
<h3>dirty bit</h3>

<p>flag which indicates that the content of a file or a message has been modified since it was last examined</p>
</div>


<a name="p2xhtm-repid-4903" shape="rect"></a>
<div class="topic">
<h3>dirty read</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014636#id014636" onclick="sync(this);return true" shape="rect">See uncommitted read</a></p>
</div>


<a name="id05923" shape="rect"></a>
<div class="topic">
<h3>disabling</h3>

<p>action taken by the user on a per call basis to prevent the action of the service</p>
</div>


<a name="id019552" shape="rect"></a>
<div class="topic">
<h3>disaster recovery</h3>

<p>restore process which is used when the whole system or a database has been down</p>
</div>


<a name="p2xhtm-repid-4906" shape="rect"></a>
<div class="topic">
<h3>DisconnectForwardConnection</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010406#id010406" onclick="sync(this);return true" shape="rect">See DisconnectForwardConnection message</a></p>
</div>


<a name="id010406" shape="rect"></a>
<div class="topic">
<h3>DisconnectForwardConnection message; <em>DisconnectForwardConnection</em>; <em>DFC</em></h3>

<p>message which is used to disconnect a connection with a specialised resources function (SRF) previously established with a ConnectToResource and an initiating service switching function (SSF) from an assisting SSF and its associated SRF</p>
</div>


<a name="id013584" shape="rect"></a>
<div class="topic">
<h3>disconnection</h3>

<p>action which is made by connecting the circuit to be released to the standard signal of a free time slot of the tone generator (TG)</p>
</div>


<a name="id020423" shape="rect"></a>
<div class="topic">
<h3>disconnection</h3>

<p>action of deactivating the PDP context of a certain user</p>
</div>


<a name="id09083" shape="rect"></a>
<div class="topic">
<h3>DisconnectLeg</h3>

<p>CS-2 INAP operation that allows the service logic program to force a leg (a subscriber) to be disconnected from the connection point in service switching function</p>
</div>


<a name="id04452" shape="rect"></a>
<div class="topic">
<h3>discontinuous reception; <em>DRX</em></h3>

<p>means of saving battery power (for example in hand-portable units) by periodically and automatically switching the mobile station receiver on and off</p>
</div>


<a name="p2xhtm-repid-4912" shape="rect"></a>
<div class="topic">
<h3>discontinuous reception cycle</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011424#id011424" onclick="sync(this);return true" shape="rect">See DRX cycle</a></p>
</div>


<a name="id04453" shape="rect"></a>
<div class="topic">
<h3>discontinuous transmission; <em>DTX</em></h3>

<p>feature which enables saving battery power (for example in hand-portable units) and reducing interference by automatically switching the transmitter off when no speech or data are to be sent</p>
</div>


<a name="id06294" shape="rect"></a>
<div class="topic">
<h3>discrete frequency interference</h3>

<p>very narrow band interfering signal occurring on one frequency which may be modulated by such a slow signal that its spectrum is not significantly broadened</p>
</div>


<a name="id08659" shape="rect"></a>
<div class="topic">
<h3>discrete multi-tone modulation; <em>DMT</em></h3>

<p>wave modulation scheme that discretely divides the available frequencies into 256 subchannels or tones to avoid high-frequency signal loss caused by noise on copper lines</p>
</div>


<a name="id07974" shape="rect"></a>
<div class="topic">
<h3>discrete reflectance</h3>

<p>ratio of reflected power to propagating power</p>
</div>


<a name="id03769" shape="rect"></a>
<div class="topic">
<h3>discretely-timed signal</h3>

<p>signal composed of successive elements in time, each element having one or more characteristics which can convey information, for example, its duration, its waveform and its amplitude</p>
</div>


<a name="p2xhtm-repid-4918" shape="rect"></a>
<div class="topic">
<h3>discretionary access control</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07356#id07356" onclick="sync(this);return true" shape="rect">See identity-based access control</a></p>
</div>


<a name="id07916" shape="rect"></a>
<div class="topic">
<h3>discriminator</h3>

<p>managed object that allows a system to select management operations and event reports relating to other managed objects</p>
</div>


<a name="p2xhtm-repid-4920" shape="rect"></a>
<div class="topic">
<h3>discussion 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=id010718#id010718" onclick="sync(this);return true" shape="rect">See news</a></p>
</div>


<a name="id016317" shape="rect"></a>
<div class="topic">
<h3>DiSEqC switch</h3>

<p>switch that is used to fit several channels into a given frequency bandwidth</p>
</div>


<a name="id07648" shape="rect"></a>
<div class="topic">
<h3>disk cache</h3>

<p>storage medium in the computer's extended memory, which saves information read from the hard disk</p>
</div>


<a name="id07683" shape="rect"></a>
<div class="topic">
<h3>disk caching</h3>

<p>storing into or reading from a disk cache</p>
</div>


<a name="id015845" shape="rect"></a>
<div class="topic">
<h3>disk copy of a memory file</h3>

<p>disk file with a header structure that the memory file system recognises</p>
</div>


<a name="id01887" shape="rect"></a>
<div class="topic">
<h3>disk drive; <em>disk unit</em></h3>

<p>operating device for a disk pack or hard disk</p>
</div>


<a name="id03270" shape="rect"></a>
<div class="topic">
<h3>disk drive</h3>

<p>hardware entity which controls the basic functions of a disk</p>
</div>


<a name="id09546" shape="rect"></a>
<div class="topic">
<h3>disk file</h3>

<p>file stored in the disks of a unit</p>
</div>


<a name="id03267" shape="rect"></a>
<div class="topic">
<h3>disk handling</h3>

<p>operations with which a user can control a disk or its file contents</p>
</div>


<a name="id07684" shape="rect"></a>
<div class="topic">
<h3>disk image</h3>

<p>exact duplicate of a disk</p>
</div>


<a name="p2xhtm-repid-4930" shape="rect"></a>
<div class="topic">
<h3>disk log</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011759#id011759" onclick="sync(this);return true" shape="rect">See database disk log</a></p>
</div>


<a name="id08415" shape="rect"></a>
<div class="topic">
<h3>disk mirroring</h3>

<p>method where a disk has a physical duplicate disk to prevent data loss in the event of disk failure</p>
</div>


<a name="id03268" shape="rect"></a>
<div class="topic">
<h3>disk name</h3>

<p>identification of a physical disk</p>
</div>


<a name="p2xhtm-repid-4933" shape="rect"></a>
<div class="topic">
<h3>disk 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=id01887#id01887" onclick="sync(this);return true" shape="rect">See disk drive</a></p>
</div>


<a name="p2xhtm-repid-4934" shape="rect"></a>
<div class="topic">
<h3>disk update</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011769#id011769" onclick="sync(this);return true" shape="rect">See disk update of memory files</a></p>
</div>


<a name="id011769" shape="rect"></a>
<div class="topic">
<h3>disk update of memory files; <em>disk update</em></h3>

<p>operation in which a memory file (or part of it) located in the computer's random access memory (RAM) is copied to a disk</p>
</div>


<a name="p2xhtm-repid-4936" shape="rect"></a>
<div class="topic">
<h3>disk version</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010070#id010070" onclick="sync(this);return true" shape="rect">See default version</a></p>
</div>


<a name="id02682" shape="rect"></a>
<div class="topic">
<h3>diskette; <em>floppy disk</em></h3>

<p>thin flexible magnetic-coated disk contained in a rigid or semi-rigid protective jacket</p>
</div>


<a name="p2xhtm-repid-4938" shape="rect"></a>
<div class="topic">
<h3>diskette drive</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03716#id03716" onclick="sync(this);return true" shape="rect">See diskette unit</a></p>
</div>


<a name="id03716" shape="rect"></a>
<div class="topic">
<h3>diskette unit; <em>diskette drive</em>; <em>floppy disk drive</em>; <em>FDD</em></h3>

<p>operating device of a diskette</p>
</div>


<a name="id013395" shape="rect"></a>
<div class="topic">
<h3>diskless host; <em>bootstrap protocol client</em>; <em>BOOTP client</em>; <em>BOOTPC</em></h3>

<p>client which supports the IP/UDP bootstrap protocol (BOOTP)</p>
</div>


<a name="id0161" shape="rect"></a>
<div class="topic">
<h3>disparity</h3>

<p>algebraic sum of the values of the departure from notional zero level of one or more consecutive signal elements forming a defined group</p>
</div>


<a name="id07420" shape="rect"></a>
<div class="topic">
<h3>disparity</h3>

<p>digital sum of one or more consecutive signal elements forming a defined group</p>
</div>


<a name="id014558" shape="rect"></a>
<div class="topic">
<h3>dispatcher; <em>scheduler</em></h3>

<p>system that manages workload, for example starts and ends tasks, manages concurrently running processes, and allocates system resources</p>
</div>


<a name="id09846" shape="rect"></a>
<div class="topic">
<h3>dispatcher</h3>

<p>in DX 200, an object which receives requests from the external system and notifications from managed resources</p>
</div>


<a name="id06252" shape="rect"></a>
<div class="topic">
<h3>dispersion; <em>chromatic dispersion</em></h3>

<p>dependence of a propagation parameter on wavelength</p>
</div>


<a name="id02652" shape="rect"></a>
<div class="topic">
<h3>displacement</h3>

<p>address specified in terms of its relationship to a given base address</p>
</div>


<a name="id01884" shape="rect"></a>
<div class="topic">
<h3>display</h3>

<p>visual presentation of information on any temporary character imaging device</p>
</div>


<a name="id012238" shape="rect"></a>
<div class="topic">
<h3>display information</h3>

<p>signalling parameter indicating a text string to be sent to the user</p>
</div>


<a name="id06056" shape="rect"></a>
<div class="topic">
<h3>display pager</h3>

<p>pager equipped with a screen, used in alphanumeric paging service or radio display paging</p>
</div>


<a name="p2xhtm-repid-4950" shape="rect"></a>
<div class="topic">
<h3>display 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=id01898#id01898" onclick="sync(this);return true" shape="rect">See output unit</a></p>
</div>


<a name="id013062" shape="rect"></a>
<div class="topic">
<h3>disseminator</h3>

<p>event-forwarding discriminator which provides a queuing and logging mechanism when the destination is not available</p>
</div>


<a name="id016396" shape="rect"></a>
<div class="topic">
<h3>distance vector multi-protocol routing; <em>distance vector multiprotocol routing protocol</em>; <em>DVMPR</em>; <em>DVMRP</em></h3>

<p>in a communication server, an IP routing protocol with which multicast communication servers using protocol independent multicast (PIM) can interoperate with other multicast communication servers</p>
</div>


<a name="p2xhtm-repid-4953" shape="rect"></a>
<div class="topic">
<h3>distance vector multiprotocol 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=id016396#id016396" onclick="sync(this);return true" shape="rect">See distance vector multi-protocol routing</a></p>
</div>


<a name="id015105" shape="rect"></a>
<div class="topic">
<h3>distance vector protocol</h3>

<p>protocol used in local area network (LAN) routers to minimise the number of hops which a packet must travel from the originating device to the terminating device</p>
</div>


<a name="id015900" shape="rect"></a>
<div class="topic">
<h3>distinguished encoding rules; <em>DER</em></h3>

<p>encoding rules that provide constraints on the basic encoding rules (BER) by selecting one encoding from those allowed by BER and eliminating all of the sender's options.</p>
</div>


<a name="id05360" shape="rect"></a>
<div class="topic">
<h3>distinguished name; <em>DN</em></h3>

<p>name of a managed object which consists of a sequence of the relative distinguished names of its superiors in the naming tree, starting at the root and working to the managed object to be identified</p>
</div>


<a name="p2xhtm-repid-4957" shape="rect"></a>
<div class="topic">
<h3>distrib. 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=id010357#id010357" onclick="sync(this);return true" shape="rect">See distribution list</a></p>
</div>


<a name="id016476" shape="rect"></a>
<div class="topic">
<h3>distributed architecture</h3>

<p>network architecture in which there are no fixed connections between any network elements</p>
</div>


<a name="id013341" shape="rect"></a>
<div class="topic">
<h3>distributed calculation</h3>

<p>feature used to optimise workstation resource usage and calculation time by sharing time-consuming operations among the workstations in a local network area</p>
</div>


<a name="id012134" shape="rect"></a>
<div class="topic">
<h3>distributed component object model; <em>DCOM</em></h3>

<p>language-independent component architecture meant to be a general-purpose object-oriented means for to encapsulate commonly used functions and services</p>
</div>


<a name="id09847" shape="rect"></a>
<div class="topic">
<h3>distributed computer unit</h3>

<p>computer unit whose resources are semipermanently or dynamically configured for certain external transmission interfaces</p>
</div>


<a name="p2xhtm-repid-4962" shape="rect"></a>
<div class="topic">
<h3>distributed computing</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019570#id019570" onclick="sync(this);return true" shape="rect">See distributed processing</a></p>
</div>


<a name="id04537" shape="rect"></a>
<div class="topic">
<h3>distributed database; <em>DDB</em></h3>

<p>logically uniform database located at several points of a computer network</p>
</div>


<a name="id04549" shape="rect"></a>
<div class="topic">
<h3>distributed database management system; <em>DDBMS</em></h3>

<p>general software for controlling a distributed database</p>
</div>


<a name="id017230" shape="rect"></a>
<div class="topic">
<h3>distributed database procedure</h3>

<p>database procedure whose execution is divided into several database nodes</p>
</div>


<a name="id04548" shape="rect"></a>
<div class="topic">
<h3>distributed database system; <em>DDBS</em></h3>

<p>database system where the database or the general software controlling it is shared by different points in a computer network</p>
</div>


<a name="id08030" shape="rect"></a>
<div class="topic">
<h3>distributed feedback laser transmitter; <em>DFB laser transmitter</em></h3>

<p>laser transmitter that has a single longitudinal wavelength mode produced by a corrugated and distributed grating resonator on the active region</p>
</div>


<a name="id0200" shape="rect"></a>
<div class="topic">
<h3>distributed frame alignment signal</h3>

<p>frame alignment signal whose signal elements occupy non-consecutive digit time slots</p>
</div>


<a name="id05455" shape="rect"></a>
<div class="topic">
<h3>distributed functional plane; <em>IN distributed functional plane</em>; <em>DFP</em></h3>

<p>plane in the INCM containing functional entities and relationships</p>
</div>


<a name="id016512" shape="rect"></a>
<div class="topic">
<h3>distributed multiradio architecture</h3>

<p>distributed architecture of an All-IP radio access network (RAN) in which both GSM/EDGE and WCDMA are supported, and functions are located so as to ensure optimum performance</p>
</div>


<a name="id020008" shape="rect"></a>
<div class="topic">
<h3>distributed part; <em>distributed part of the alarm system</em>; <em>DP</em></h3>

<p>part of the alarm system which provides an interface for applications to raise and clear alarms</p>
</div>


<a name="p2xhtm-repid-4972" shape="rect"></a>
<div class="topic">
<h3>distributed part of the alarm 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=id020008#id020008" onclick="sync(this);return true" shape="rect">See distributed part</a></p>
</div>


<a name="id020197" shape="rect"></a>
<div class="topic">
<h3>distributed part of the signalling connection control part</h3>

<p>software that is distributed to computer units and designed for the real-time handling of connectionless or connection-oriented signalling messages</p>
</div>


<a name="id019570" shape="rect"></a>
<div class="topic">
<h3>distributed processing; <em>distributed computing</em></h3>

<p>data processing in which at least two processors are used to perform the processing for an individual task</p>
</div>


<a name="id09263" shape="rect"></a>
<div class="topic">
<h3>distributed queue dual bus; <em>DQDB</em></h3>

<p>cell relay that permits multiple systems to interconnect using two unidirectional logical buses</p>
</div>


<a name="id015106" shape="rect"></a>
<div class="topic">
<h3>distributed routing</h3>

<p>routing in which a network element has several open shortest path first (OSPF) daemons running in different units and looks like a cluster of separate routers to other IP routing devices in the network</p>
</div>


<a name="id017218" shape="rect"></a>
<div class="topic">
<h3>distributed transaction</h3>

<p>database transaction which is executed in several network sites</p>
</div>


<a name="p2xhtm-repid-4978" shape="rect"></a>
<div class="topic">
<h3>distribution</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011784#id011784" onclick="sync(this);return true" shape="rect">See file distribution</a></p>
</div>


<a name="id04654" shape="rect"></a>
<div class="topic">
<h3>distribution; <em>distribution application</em></h3>

<p>use of a broadband service or channel for transferring audio, video, or other information to a user or a number of users who will not be expected to apply post-production processing to the information</p>
</div>


<a name="p2xhtm-repid-4980" shape="rect"></a>
<div class="topic">
<h3>distribution application</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04654#id04654" onclick="sync(this);return true" shape="rect">See distribution</a></p>
</div>


<a name="id010357" shape="rect"></a>
<div class="topic">
<h3>distribution list; <em>distrib. list</em>; <em>mailing list</em>; <em>list</em></h3>

<p>list of addresses which is used to send the same message to all the listed participants at the same time</p>
</div>


<a name="id016863" shape="rect"></a>
<div class="topic">
<h3>distribution list application; <em>DLA</em></h3>

<p>application which functions as a distribution list processor and message forwarder between a service provider and a service subscriber, enabling the sending of messages to a group of subscribers by using the Internet mail or mobile-originated short messages (MO-SM)</p>
</div>


<a name="id016932" shape="rect"></a>
<div class="topic">
<h3>distribution list application back information processor; <em>DLAB</em></h3>

<p>application that is used to forward the subscriber's messages to the service provider when the subscribers who have received the messages submitted to a distribution list want to send a reply to their service provider dn</p>
</div>


<a name="id04655" shape="rect"></a>
<div class="topic">
<h3>distribution service</h3>

<p>service characterised by the unidirectional flow of information from a given point in the network to other locations</p>
</div>


<a name="id04658" shape="rect"></a>
<div class="topic">
<h3>distribution service with user individual presentation control</h3>

<p>distribution service in which the information is provided as a sequence of information entities, for example, frames with cyclical repetition, so that the user has the ability to select individual information entities and can control the start and order of the information</p>
</div>


<a name="id04659" shape="rect"></a>
<div class="topic">
<h3>distribution service without user individual presentation control</h3>

<p>distribution service which users can access without having any control over the start and order of the presentation of the distributed information</p>
</div>


<a name="id016938" shape="rect"></a>
<div class="topic">
<h3>distribution tier</h3>

<p>logical layer of a distributed system that is responsible for distributing the client request to the correct data repositories</p>
</div>


<a name="id011025" shape="rect"></a>
<div class="topic">
<h3>distributor</h3>

<p>process which implements the centralised part of the subscriber database</p>
</div>


<a name="id020034" shape="rect"></a>
<div class="topic">
<h3>distributor API; <em>distributor application programming interface</em>; <em>DAPI</em></h3>

<p>application programming interface in a charging gateway that is used to get the charging records (CDR) from the queues and send them to a CDR post-processing system with a defined transfer protocol</p>
</div>


<a name="p2xhtm-repid-4990" shape="rect"></a>
<div class="topic">
<h3>distributor application programming 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=id020034#id020034" onclick="sync(this);return true" shape="rect">See distributor API</a></p>
</div>


<a name="id05002" shape="rect"></a>
<div class="topic">
<h3>disturbance observation</h3>

<p>transient, non-recurrent disturbance in the system, detected by the supervision or application program blocks</p>
</div>


<a name="p2xhtm-repid-4992" shape="rect"></a>
<div class="topic">
<h3>DIT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09082#id09082" onclick="sync(this);return true" shape="rect">See directory tree</a></p>
</div>


<a name="p2xhtm-repid-4993" shape="rect"></a>
<div class="topic">
<h3>DIU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06979#id06979" onclick="sync(this);return true" shape="rect">See data interface unit</a></p>
</div>


<a name="p2xhtm-repid-4994" shape="rect"></a>
<div class="topic">
<h3>DIU pool</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016267#id016267" onclick="sync(this);return true" shape="rect">See data interface unit pool</a></p>
</div>


<a name="p2xhtm-repid-4995" shape="rect"></a>
<div class="topic">
<h3>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=id03638#id03638" onclick="sync(this);return true" shape="rect">See call divert</a></p>
</div>


<a name="id013063" shape="rect"></a>
<div class="topic">
<h3>diversion bypass</h3>

<p>PBX feature supported by the digital private network signalling system (DPNSS) protocol requesting that call forwarding is ignored</p>
</div>


<a name="id019937" shape="rect"></a>
<div class="topic">
<h3>diversity antenna</h3>

<p>antenna that is capable of switching operation from one working element to another in which the received signal is stronger</p>
</div>


<a name="id013654" shape="rect"></a>
<div class="topic">
<h3>diversity handover; <em>DHO</em></h3>

<p>type of handover that makes use of macro-diversity techniques</p>
</div>


<a name="id06230" shape="rect"></a>
<div class="topic">
<h3>diversity improvement</h3>

<p>improvement of the quality of communication when using diversity reception instead of single reception</p>
</div>


<a name="id03760" shape="rect"></a>
<div class="topic">
<h3>diversity reception</h3>

<p>method of reception in which a single output signal is derived from a combination of, or selection from, a plurality of transmission channels or paths</p>
</div>


<a name="p2xhtm-repid-5001" shape="rect"></a>
<div class="topic">
<h3>divert</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03638#id03638" onclick="sync(this);return true" shape="rect">See call divert</a></p>
</div>


<a name="id07042" shape="rect"></a>
<div class="topic">
<h3>diverted call; <em>transferred call</em></h3>

<p>call which has come through the automatic call distribution and which an attendant has transferred to an announcement, to another service number, to another attendant or to a supervisor</p>
</div>


<a name="p2xhtm-repid-5003" shape="rect"></a>
<div class="topic">
<h3>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=id04455#id04455" onclick="sync(this);return true" shape="rect">See downlink</a></p>
</div>


<a name="p2xhtm-repid-5004" shape="rect"></a>
<div class="topic">
<h3>DLA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016863#id016863" onclick="sync(this);return true" shape="rect">See distribution list application</a></p>
</div>


<a name="p2xhtm-repid-5005" shape="rect"></a>
<div class="topic">
<h3>DLAB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016932#id016932" onclick="sync(this);return true" shape="rect">See distribution list application back information processor</a></p>
</div>


<a name="p2xhtm-repid-5006" shape="rect"></a>
<div class="topic">
<h3>DLC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011154#id011154" onclick="sync(this);return true" shape="rect">See data link connection</a></p>
</div>


<a name="p2xhtm-repid-5007" shape="rect"></a>
<div class="topic">
<h3>DLC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08658#id08658" onclick="sync(this);return true" shape="rect">See digital loop carrier</a></p>
</div>


<a name="p2xhtm-repid-5008" shape="rect"></a>
<div class="topic">
<h3>DLC 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=id09084#id09084" onclick="sync(this);return true" shape="rect">See signalling data link connection order message</a></p>
</div>


<a name="p2xhtm-repid-5009" shape="rect"></a>
<div class="topic">
<h3>DLCI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03368#id03368" onclick="sync(this);return true" shape="rect">See data link connection identifier</a></p>
</div>


<a name="p2xhtm-repid-5010" shape="rect"></a>
<div class="topic">
<h3>DLD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016071#id016071" onclick="sync(this);return true" shape="rect">See differential link delay</a></p>
</div>


<a name="p2xhtm-repid-5011" shape="rect"></a>
<div class="topic">
<h3>DLE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010747#id010747" onclick="sync(this);return true" shape="rect">See destination local exchange</a></p>
</div>


<a name="p2xhtm-repid-5012" shape="rect"></a>
<div class="topic">
<h3>DLL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012136#id012136" onclick="sync(this);return true" shape="rect">See dynamic link library</a></p>
</div>


<a name="p2xhtm-repid-5013" shape="rect"></a>
<div class="topic">
<h3>DLL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03135#id03135" onclick="sync(this);return true" shape="rect">See link layer</a></p>
</div>


<a name="p2xhtm-repid-5014" shape="rect"></a>
<div class="topic">
<h3>DLM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09084#id09084" onclick="sync(this);return true" shape="rect">See signalling data link connection order message</a></p>
</div>


<a name="p2xhtm-repid-5015" shape="rect"></a>
<div class="topic">
<h3>DLS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015659#id015659" onclick="sync(this);return true" shape="rect">See delivery server</a></p>
</div>


<a name="p2xhtm-repid-5016" shape="rect"></a>
<div class="topic">
<h3>DLS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020445#id020445" onclick="sync(this);return true" shape="rect">See download server</a></p>
</div>


<a name="id019891" shape="rect"></a>
<div class="topic">
<h3>DLS cluster</h3>

<p>cluster which includes several delivery server (DLS) instances and databases installed on a number of physical machines</p>
</div>


<a name="p2xhtm-repid-5018" shape="rect"></a>
<div class="topic">
<h3>DLSC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018684#id018684" onclick="sync(this);return true" shape="rect">See delivery server core</a></p>
</div>


<a name="id018729" shape="rect"></a>
<div class="topic">
<h3>DLSC interface</h3>

<p>in a delivery server, an internal interface between the delivery server core (DLSC) and digital rights management module (DRMM), content management module (CMM), or content security module (CSM); or an external interface between the delivery server core and external servers and solutions</p>
</div>


<a name="p2xhtm-repid-5020" shape="rect"></a>
<div class="topic">
<h3>DM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012978#id012978" onclick="sync(this);return true" shape="rect">See degraded minute</a></p>
</div>


<a name="p2xhtm-repid-5021" shape="rect"></a>
<div class="topic">
<h3>DM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03796#id03796" onclick="sync(this);return true" shape="rect">See digital multiplexing</a></p>
</div>


<a name="p2xhtm-repid-5022" shape="rect"></a>
<div class="topic">
<h3>Dm</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04454#id04454" onclick="sync(this);return true" shape="rect">See Dm channel</a></p>
</div>


<a name="id04454" shape="rect"></a>
<div class="topic">
<h3>Dm channel; <em>Dm</em></h3>

<p>ISDN D-channel applied to mobile service</p>
</div>


<a name="p2xhtm-repid-5024" shape="rect"></a>
<div class="topic">
<h3>DMA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0427#id0427" onclick="sync(this);return true" shape="rect">See direct access</a></p>
</div>


<a name="p2xhtm-repid-5025" shape="rect"></a>
<div class="topic">
<h3>DMA controller</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015796#id015796" onclick="sync(this);return true" shape="rect">See direct memory access controller</a></p>
</div>


<a name="id02406" shape="rect"></a>
<div class="topic">
<h3>DMA-channel</h3>

<p>channel used for transmitting data past the central memory</p>
</div>


<a name="p2xhtm-repid-5027" shape="rect"></a>
<div class="topic">
<h3>DMAC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015796#id015796" onclick="sync(this);return true" shape="rect">See direct memory access controller</a></p>
</div>


<a name="p2xhtm-repid-5028" shape="rect"></a>
<div class="topic">
<h3>DMC 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=id05492#id05492" onclick="sync(this);return true" shape="rect">See digital multiprocessor control bus</a></p>
</div>


<a name="p2xhtm-repid-5029" shape="rect"></a>
<div class="topic">
<h3>DMCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016712#id016712" onclick="sync(this);return true" shape="rect">See dynamic menu control protocol</a></p>
</div>


<a name="p2xhtm-repid-5030" shape="rect"></a>
<div class="topic">
<h3>DMR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08546#id08546" onclick="sync(this);return true" shape="rect">See digital microwave radio</a></p>
</div>


<a name="p2xhtm-repid-5031" shape="rect"></a>
<div class="topic">
<h3>DMR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09015#id09015" onclick="sync(this);return true" shape="rect">See digital multiplexing radio</a></p>
</div>


<a name="id016713" shape="rect"></a>
<div class="topic">
<h3>DMS</h3>

<p>degrees, minutes, and seconds format used for specifying a location</p>
</div>


<a name="p2xhtm-repid-5033" shape="rect"></a>
<div class="topic">
<h3>DMT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08659#id08659" onclick="sync(this);return true" shape="rect">See discrete multi-tone modulation</a></p>
</div>


<a name="p2xhtm-repid-5034" shape="rect"></a>
<div class="topic">
<h3>DMX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013719#id013719" onclick="sync(this);return true" shape="rect">See DMX operating system</a></p>
</div>


<a name="id018490" shape="rect"></a>
<div class="topic">
<h3>DMX byte order</h3>

<p>order in which the bytes that belong to larger-than-byte data blocks are stored in DMX computer unit memory and transferred in DMX messages</p>
</div>


<a name="id09085" shape="rect"></a>
<div class="topic">
<h3>DMX identity; <em>DMX process identity</em></h3>

<p>unique identifier for a DMX process inside a single computer consisting of DMX family identifier, process identifier and focus value</p>
</div>


<a name="id06629" shape="rect"></a>
<div class="topic">
<h3>DMX message</h3>

<p>operating system message sent inside the DX 200 system</p>
</div>


<a name="id013718" shape="rect"></a>
<div class="topic">
<h3>DMX name service</h3>

<p>application programming interface (API) which allows program blocks to search for the providers of specific DMX message based services, and advertise their own services globally</p>
</div>


<a name="id013719" shape="rect"></a>
<div class="topic">
<h3>DMX operating system; <em>DMX</em></h3>

<p>Nokia-proprietary operating system which is used in DX200 computer units</p>
</div>


<a name="p2xhtm-repid-5040" shape="rect"></a>
<div class="topic">
<h3>DMX process 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=id09085#id09085" onclick="sync(this);return true" shape="rect">See DMX identity</a></p>
</div>


<a name="p2xhtm-repid-5041" shape="rect"></a>
<div class="topic">
<h3>DN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05360#id05360" onclick="sync(this);return true" shape="rect">See distinguished name</a></p>
</div>


<a name="p2xhtm-repid-5042" shape="rect"></a>
<div class="topic">
<h3>DN2</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015366#id015366" onclick="sync(this);return true" shape="rect">See dynamic node equipment n x 2 Mbit/s</a></p>
</div>


<a name="p2xhtm-repid-5043" shape="rect"></a>
<div class="topic">
<h3>DNBAP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016068#id016068" onclick="sync(this);return true" shape="rect">See D-NBAP</a></p>
</div>


<a name="p2xhtm-repid-5044" shape="rect"></a>
<div class="topic">
<h3>DNN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015954#id015954" onclick="sync(this);return true" shape="rect">See default as no NN flag</a></p>
</div>


<a name="p2xhtm-repid-5045" shape="rect"></a>
<div class="topic">
<h3>DNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010341#id010341" onclick="sync(this);return true" shape="rect">See domain name server</a></p>
</div>


<a name="p2xhtm-repid-5046" shape="rect"></a>
<div class="topic">
<h3>DNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016714#id016714" onclick="sync(this);return true" shape="rect">See domain name service</a></p>
</div>


<a name="p2xhtm-repid-5047" shape="rect"></a>
<div class="topic">
<h3>DNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08908#id08908" onclick="sync(this);return true" shape="rect">See domain name system</a></p>
</div>


<a name="p2xhtm-repid-5048" shape="rect"></a>
<div class="topic">
<h3>DNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08969#id08969" onclick="sync(this);return true" shape="rect">See domain name server</a></p>
</div>


<a name="p2xhtm-repid-5049" shape="rect"></a>
<div class="topic">
<h3>DNS record</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015747#id015747" onclick="sync(this);return true" shape="rect">See resource record</a></p>
</div>


<a name="id09848" shape="rect"></a>
<div class="topic">
<h3>DNS resolver</h3>

<p>program that extracts information from name servers in response to client requests</p>
</div>


<a name="p2xhtm-repid-5051" shape="rect"></a>
<div class="topic">
<h3>DNS resource record</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015747#id015747" onclick="sync(this);return true" shape="rect">See resource record</a></p>
</div>


<a name="id09967" shape="rect"></a>
<div class="topic">
<h3>DNS security; <em>domain name system security</em>; <em>DNSSEC</em></h3>

<p>domain name system with security extensions such as digital signatures, cryptographic keys, data integrity and data origin authentication</p>
</div>


<a name="p2xhtm-repid-5053" shape="rect"></a>
<div class="topic">
<h3>DNSSEC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09967#id09967" onclick="sync(this);return true" shape="rect">See DNS security</a></p>
</div>


<a name="p2xhtm-repid-5054" shape="rect"></a>
<div class="topic">
<h3>DNW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01682#id01682" onclick="sync(this);return true" shape="rect">See dedicated network</a></p>
</div>


<a name="id06390" shape="rect"></a>
<div class="topic">
<h3>do not disturb; <em>do not disturb service</em></h3>

<p>service which enables a user to forward incoming calls to an announcement or to a centralised service location</p>
</div>


<a name="p2xhtm-repid-5056" shape="rect"></a>
<div class="topic">
<h3>do not disturb 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=id06390#id06390" onclick="sync(this);return true" shape="rect">See do not disturb</a></p>
</div>


<a name="p2xhtm-repid-5057" shape="rect"></a>
<div class="topic">
<h3>DOC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016027#id016027" onclick="sync(this);return true" shape="rect">See device-originated call CDR</a></p>
</div>


<a name="p2xhtm-repid-5058" shape="rect"></a>
<div class="topic">
<h3>DOC 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=id016027#id016027" onclick="sync(this);return true" shape="rect">See device-originated call CDR</a></p>
</div>


<a name="id07629" shape="rect"></a>
<div class="topic">
<h3>document icon</h3>

<p>icon representing a document window that has been minimised</p>
</div>


<a name="id07603" shape="rect"></a>
<div class="topic">
<h3>document instance; <em>instance</em></h3>

<p>unit of information defined by one document type definition</p>
</div>


<a name="id015527" shape="rect"></a>
<div class="topic">
<h3>document object model; <em>DOM</em></h3>

<p>platform- and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of documents</p>
</div>


<a name="p2xhtm-repid-5062" shape="rect"></a>
<div class="topic">
<h3>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="p2xhtm-repid-5063" shape="rect"></a>
<div class="topic">
<h3>DOM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015527#id015527" onclick="sync(this);return true" shape="rect">See document object model</a></p>
</div>


<a name="id011770" shape="rect"></a>
<div class="topic">
<h3>domain</h3>

<p>part of the domain name system (DNS) naming hierarchy</p>
</div>


<a name="p2xhtm-repid-5065" shape="rect"></a>
<div class="topic">
<h3>domain</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05473#id05473" onclick="sync(this);return true" shape="rect">See management domain</a></p>
</div>


<a name="id011771" shape="rect"></a>
<div class="topic">
<h3>domain format identifier; <em>DFI</em></h3>

<p>field of the domain specific part of an address used to define the type of address carried in the ID field</p>
</div>


<a name="id016982" shape="rect"></a>
<div class="topic">
<h3>domain model</h3>

<p>definition of the functions, objects, data, requirements, relationships, and variations in a particular network domain</p>
</div>


<a name="id09433" shape="rect"></a>
<div class="topic">
<h3>domain name</h3>

<p>address of a network connection that identifies the owner of that address in a hierarchical format: server.organization.type</p>
</div>


<a name="id015107" shape="rect"></a>
<div class="topic">
<h3>domain name component; <em>DC</em></h3>

<p>in a distinguished name (DN), an attribute that is used to convert the DN into a fully qualified domain name that follows the domain name system (DNS)</p>
</div>


<a name="id010341" shape="rect"></a>
<div class="topic">
<h3>domain name server; <em>name server</em>; <em>DNS</em></h3>

<p>server that resolves the IP address or IP addresses of the corresponding Internet address</p>
</div>


<a name="id08969" shape="rect"></a>
<div class="topic">
<h3>domain name server; <em>GPRS domain name server</em>; <em>DNS</em></h3>

<p>element of the GPRS backbone network into which the relation between the location area code (LAC ) and the SGSN IP address is saved</p>
</div>


<a name="id016714" shape="rect"></a>
<div class="topic">
<h3>domain name service; <em>DNS</em></h3>

<p>service which maps fully qualified domain names to IP addresses and vice versa</p>
</div>


<a name="id020759" shape="rect"></a>
<div class="topic">
<h3>domain name space</h3>

<p>tree-structured hierarchy which contains all the host names in the domain name system</p>
</div>


<a name="id08908" shape="rect"></a>
<div class="topic">
<h3>domain name system; <em>DNS</em></h3>

<p>system which provides replicated data query service that involves the translation of host names into IP addresses and vice versa</p>
</div>


<a name="p2xhtm-repid-5075" shape="rect"></a>
<div class="topic">
<h3>domain name system 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=id09967#id09967" onclick="sync(this);return true" shape="rect">See DNS security</a></p>
</div>


<a name="p2xhtm-repid-5076" shape="rect"></a>
<div class="topic">
<h3>domain of interpretation</h3>

<p><a href="NED?action=retrieve&amp;identifier=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="id08046" shape="rect"></a>
<div class="topic">
<h3>Domain Specific Part; <em>DSP</em></h3>

<p>part of the NSAP address, which is allocated to the operator of the network</p>
</div>


<a name="id05805" shape="rect"></a>
<div class="topic">
<h3>domain-specific part; <em>DSP</em></h3>

<p>part of the NSAP address relevant to the domain which has been accessed beyond the domain specified with the initial domain identifier (IDI)</p>
</div>


<a name="id013342" shape="rect"></a>
<div class="topic">
<h3>dominance area</h3>

<p>area where the signal level of the transmitter is higher than the signal level of all the other transmitters of the network</p>
</div>


<a name="id010408" shape="rect"></a>
<div class="topic">
<h3>donor exchange</h3>

<p>exchange where the subscriber was connected before being ported</p>
</div>


<a name="id010409" shape="rect"></a>
<div class="topic">
<h3>donor network</h3>

<p>initial network where a number was allocated before being ported</p>
</div>


<a name="id011217" shape="rect"></a>
<div class="topic">
<h3>Doppler shift</h3>

<p>magnitude of the change in frequency of a signal or wavelength of a wave, caused by a change in the distance between the source and the receiver</p>
</div>


<a name="p2xhtm-repid-5083" shape="rect"></a>
<div class="topic">
<h3>DoS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09965#id09965" onclick="sync(this);return true" shape="rect">See denial of service</a></p>
</div>


<a name="id011772" shape="rect"></a>
<div class="topic">
<h3>DOSDX</h3>

<p>MS-DOS software that enables the user to handle DX 200 floppy disks in an MS-DOS environment</p>
</div>


<a name="id010410" shape="rect"></a>
<div class="topic">
<h3>dotted decimal notation; <em>dotted quad notation</em></h3>

<p>syntactic representation for a 32-bit integer that consists of four 8-bit numbers written in base 10 with periods (dots) separating them</p>
</div>


<a name="p2xhtm-repid-5086" shape="rect"></a>
<div class="topic">
<h3>dotted quad notation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010410#id010410" onclick="sync(this);return true" shape="rect">See dotted decimal notation</a></p>
</div>


<a name="id01511" shape="rect"></a>
<div class="topic">
<h3>double</h3>

<p>to secure operation by using two parallel devices, circuits or systems</p>
</div>


<a name="p2xhtm-repid-5088" shape="rect"></a>
<div class="topic">
<h3>double data rate random access memory</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019746#id019746" onclick="sync(this);return true" shape="rect">See dual data rate random access memory</a></p>
</div>


<a name="p2xhtm-repid-5089" shape="rect"></a>
<div class="topic">
<h3>double data rate synchronous random access memory</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019746#id019746" onclick="sync(this);return true" shape="rect">See dual data rate random access memory</a></p>
</div>


<a name="id02755" shape="rect"></a>
<div class="topic">
<h3>double density</h3>

<p>feature of a floppy disk to double the number of tracks on each disk thereby reducing the access time and doubling the capacity</p>
</div>


<a name="p2xhtm-repid-5091" shape="rect"></a>
<div class="topic">
<h3>double seizure</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0783#id0783" onclick="sync(this);return true" shape="rect">See dual seizure</a></p>
</div>


<a name="id06173" shape="rect"></a>
<div class="topic">
<h3>double superheterodyne receiver</h3>

<p>receiver equipped with two intermediate frequencies</p>
</div>


<a name="id06172" shape="rect"></a>
<div class="topic">
<h3>double superheterodyne transmitter</h3>

<p>transmitter equipped with two intermediate frequencies</p>
</div>


<a name="id011026" shape="rect"></a>
<div class="topic">
<h3>double talk</h3>

<p>simultaneous occurrence of near end and far end speech</p>
</div>


<a name="id05638" shape="rect"></a>
<div class="topic">
<h3>double telephone number; <em>by-pass number</em></h3>

<p>facility which enables the connection of two telephone numbers, the directory number and a secret number, to the same subscriber line</p>
</div>


<a name="id05106" shape="rect"></a>
<div class="topic">
<h3>double word; <em>dword</em></h3>

<p>numeric entity comprising twice the number of bits contained in a normal computer word</p>
</div>


<a name="id0973" shape="rect"></a>
<div class="topic">
<h3>double-ended synchronisation; <em>double-ended synchronization /US/</em></h3>

<p>method of synchronising a specified synchronisation node with respect to another synchronisation node in which synchronisation information at the specified node is derived by comparing the phase difference between the local clock and the incoming digital signal from the other node, with the phase difference at the other node between its local clock and the digital signal incoming from the specified node</p>
</div>


<a name="p2xhtm-repid-5098" shape="rect"></a>
<div class="topic">
<h3>double-ended synchronization /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=id0973#id0973" onclick="sync(this);return true" shape="rect">See double-ended synchronisation</a></p>
</div>


<a name="p2xhtm-repid-5099" shape="rect"></a>
<div class="topic">
<h3>doublet</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05176#id05176" onclick="sync(this);return true" shape="rect">See two-bit byte</a></p>
</div>


<a name="p2xhtm-repid-5100" shape="rect"></a>
<div class="topic">
<h3>DOWN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015053#id015053" onclick="sync(this);return true" shape="rect">See ASP down message</a></p>
</div>


<a name="id011331" shape="rect"></a>
<div class="topic">
<h3>down time; <em>downtime</em></h3>

<p>time interval during which an item is in a down state</p>
</div>


<a name="id020230" shape="rect"></a>
<div class="topic">
<h3>downlink</h3>

<p>connection from the IP network down to the switch</p>
</div>


<a name="id04455" shape="rect"></a>
<div class="topic">
<h3>downlink; <em>forward link</em>; <em>DL</em></h3>

<p>physical link from the transmitting base transceiver station (BTS) towards the receiving mobile station (MS)</p>
</div>


<a name="id016433" shape="rect"></a>
<div class="topic">
<h3>downlink data threshold</h3>

<p>in charging configuration, the number of bytes in the downlink which causes charging record (CDR) triggering when it is reached for a PDP context of a normal user</p>
</div>


<a name="id013343" shape="rect"></a>
<div class="topic">
<h3>downlink iteration</h3>

<p>iteration done in the downlink to find, for example, the correct cell transmission power for each mobile station, the best server and the outage</p>
</div>


<a name="id013344" shape="rect"></a>
<div class="topic">
<h3>downlink load control</h3>

<p>overload control used for deciding which mobile stations go to outage when the system is overloaded</p>
</div>


<a name="id014195" shape="rect"></a>
<div class="topic">
<h3>downlink shared channel; <em>DSCH</em></h3>

<p>downlink transport channel which is intended to carry dedicated user data and control information, and which can be shared among several users</p>
</div>


<a name="id010736" shape="rect"></a>
<div class="topic">
<h3>download; <em>downloading</em></h3>

<p>transfer data or programs from a server to a local system</p>
</div>


<a name="p2xhtm-repid-5109" shape="rect"></a>
<div class="topic">
<h3>download descriptor</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018713#id018713" onclick="sync(this);return true" shape="rect">See download descriptor file</a></p>
</div>


<a name="id018713" shape="rect"></a>
<div class="topic">
<h3>download descriptor file; <em>download descriptor</em>; <em>DD file</em></h3>

<p>file containing metadata about the content to be downloaded and instructions to the download agent in the device on how to download the media object</p>
</div>


<a name="id015674" shape="rect"></a>
<div class="topic">
<h3>download item</h3>

<p>object transmitted during one download transaction</p>
</div>


<a name="id019294" shape="rect"></a>
<div class="topic">
<h3>download link</h3>

<p>embedded link in a terminal for downloading content, services, and applications</p>
</div>


<a name="id019912" shape="rect"></a>
<div class="topic">
<h3>download model</h3>

<p>model which specifies routines according to which the item will be downloaded</p>
</div>


<a name="id015660" shape="rect"></a>
<div class="topic">
<h3>download provisioning interface; <em>delivery server's download provisioning interface</em>; <em>DPI</em></h3>

<p>HTTP interface in Nokia Delivery Server (DLS) through which a service can dynamically submit a download work order to DLS in order to generate download URLs</p>
</div>


<a name="p2xhtm-repid-5115" shape="rect"></a>
<div class="topic">
<h3>download provisioning 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=id015693#id015693" onclick="sync(this);return true" shape="rect">See download work order</a></p>
</div>


<a name="id019909" shape="rect"></a>
<div class="topic">
<h3>download request</h3>

<p>request for a download transaction which includes one call and typically causes one response</p>
</div>


<a name="id020445" shape="rect"></a>
<div class="topic">
<h3>download server; <em>DLS</em></h3>

<p>server that is responsible for the download transaction from the server's perspective</p>
</div>


<a name="id019902" shape="rect"></a>
<div class="topic">
<h3>download service</h3>

<p>service that handles the downloading of files from the web</p>
</div>


<a name="id015663" shape="rect"></a>
<div class="topic">
<h3>download transaction; <em>content download transaction</em>; <em>transaction</em></h3>

<p>transaction which starts when a download request is submitted, and ends either when the terminal has successfully received the item, or when the download event is acknowledged by the terminal</p>
</div>


<a name="id015680" shape="rect"></a>
<div class="topic">
<h3>download transaction interface</h3>

<p>HTTP interface which allows the users to download content to their terminals</p>
</div>


<a name="id018712" shape="rect"></a>
<div class="topic">
<h3>download transaction object</h3>

<p>object that contains the location of the actual content to be downloaded in the download transaction</p>
</div>


<a name="id015654" shape="rect"></a>
<div class="topic">
<h3>download URL</h3>

<p>URL address in service, identifying a download transaction that is taking place through Nokia Delivery Server (DLS)</p>
</div>


<a name="id015693" shape="rect"></a>
<div class="topic">
<h3>download work order; <em>work order</em>; <em>download provisioning request</em></h3>

<p>request which a service makes to Nokia Delivery Server (DLS), containing all the information required to create a complete ticket</p>
</div>


<a name="p2xhtm-repid-5124" shape="rect"></a>
<div class="topic">
<h3>downloading</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010736#id010736" onclick="sync(this);return true" shape="rect">See download</a></p>
</div>


<a name="id016636" shape="rect"></a>
<div class="topic">
<h3>downloads</h3>

<p>selection of games that can be downloaded to a WAP-enabled phone</p>
</div>


<a name="id07553" shape="rect"></a>
<div class="topic">
<h3>downstream</h3>

<p>direction from the node to network</p>
</div>


<a name="id019345" shape="rect"></a>
<div class="topic">
<h3>downstream suppression</h3>

<p>muting of all speech which is sent to a user who is speaking</p>
</div>


<a name="p2xhtm-repid-5128" shape="rect"></a>
<div class="topic">
<h3>downtime</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011331#id011331" onclick="sync(this);return true" shape="rect">See down time</a></p>
</div>


<a name="p2xhtm-repid-5129" shape="rect"></a>
<div class="topic">
<h3>DP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01002#id01002" onclick="sync(this);return true" shape="rect">See decimal position number</a></p>
</div>


<a name="p2xhtm-repid-5130" shape="rect"></a>
<div class="topic">
<h3>DP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020008#id020008" onclick="sync(this);return true" shape="rect">See distributed part</a></p>
</div>


<a name="p2xhtm-repid-5131" shape="rect"></a>
<div class="topic">
<h3>DP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05449#id05449" onclick="sync(this);return true" shape="rect">See detection point</a></p>
</div>


<a name="p2xhtm-repid-5132" shape="rect"></a>
<div class="topic">
<h3>DPBX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01721#id01721" onclick="sync(this);return true" shape="rect">See digital PABX</a></p>
</div>


<a name="p2xhtm-repid-5133" shape="rect"></a>
<div class="topic">
<h3>DPC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03390#id03390" onclick="sync(this);return true" shape="rect">See destination point code</a></p>
</div>


<a name="p2xhtm-repid-5134" shape="rect"></a>
<div class="topic">
<h3>DPCCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020943#id020943" onclick="sync(this);return true" shape="rect">See dedicated physical control channel</a></p>
</div>


<a name="p2xhtm-repid-5135" shape="rect"></a>
<div class="topic">
<h3>DPCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014196#id014196" onclick="sync(this);return true" shape="rect">See dedicated physical channel</a></p>
</div>


<a name="p2xhtm-repid-5136" shape="rect"></a>
<div class="topic">
<h3>DPCM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id094#id094" onclick="sync(this);return true" shape="rect">See differential pulse code modulation</a></p>
</div>


<a name="p2xhtm-repid-5137" shape="rect"></a>
<div class="topic">
<h3>DPDCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020942#id020942" onclick="sync(this);return true" shape="rect">See dedicated physical data channel</a></p>
</div>


<a name="p2xhtm-repid-5138" shape="rect"></a>
<div class="topic">
<h3>DPI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015660#id015660" onclick="sync(this);return true" shape="rect">See download provisioning interface</a></p>
</div>


<a name="p2xhtm-repid-5139" shape="rect"></a>
<div class="topic">
<h3>DPIC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016264#id016264" onclick="sync(this);return true" shape="rect">See default preferred inter-exchange carrier</a></p>
</div>


<a name="p2xhtm-repid-5140" shape="rect"></a>
<div class="topic">
<h3>DPN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020051#id020051" onclick="sync(this);return true" shape="rect">See data processing node</a></p>
</div>


<a name="p2xhtm-repid-5141" shape="rect"></a>
<div class="topic">
<h3>DPNSS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012086#id012086" onclick="sync(this);return true" shape="rect">See digital private network signalling system</a></p>
</div>


<a name="id09086" shape="rect"></a>
<div class="topic">
<h3>DPNSS1/DASS2 type D-channel</h3>

<p>D channel which implements the data transmission to private automatic branch exchanges (PABX)</p>
</div>


<a name="p2xhtm-repid-5143" shape="rect"></a>
<div class="topic">
<h3>DPP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010152#id010152" onclick="sync(this);return true" shape="rect">See demand priority protocol</a></p>
</div>


<a name="p2xhtm-repid-5144" shape="rect"></a>
<div class="topic">
<h3>DPRAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020869#id020869" onclick="sync(this);return true" shape="rect">See dual-port RAM</a></p>
</div>


<a name="p2xhtm-repid-5145" shape="rect"></a>
<div class="topic">
<h3>DPSK</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06151#id06151" onclick="sync(this);return true" shape="rect">See differential phase shift keying</a></p>
</div>


<a name="p2xhtm-repid-5146" shape="rect"></a>
<div class="topic">
<h3>DQDB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09263#id09263" onclick="sync(this);return true" shape="rect">See distributed queue dual bus</a></p>
</div>


<a name="p2xhtm-repid-5147" shape="rect"></a>
<div class="topic">
<h3>DQPSK</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012471#id012471" onclick="sync(this);return true" shape="rect">See differential quadrature phase shift keying</a></p>
</div>


<a name="p2xhtm-repid-5148" shape="rect"></a>
<div class="topic">
<h3>DR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011766#id011766" onclick="sync(this);return true" shape="rect">See delivery report</a></p>
</div>


<a name="p2xhtm-repid-5149" shape="rect"></a>
<div class="topic">
<h3>DR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08638#id08638" onclick="sync(this);return true" shape="rect">See directed retry</a></p>
</div>


<a name="p2xhtm-repid-5150" shape="rect"></a>
<div class="topic">
<h3>DR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09966#id09966" onclick="sync(this);return true" shape="rect">See designated router</a></p>
</div>


<a name="p2xhtm-repid-5151" shape="rect"></a>
<div class="topic">
<h3>DR-O</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019516#id019516" onclick="sync(this);return true" shape="rect">See delivery report object</a></p>
</div>


<a name="p2xhtm-repid-5152" shape="rect"></a>
<div class="topic">
<h3>DRAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01097#id01097" onclick="sync(this);return true" shape="rect">See dynamic RAM</a></p>
</div>


<a name="id06212" shape="rect"></a>
<div class="topic">
<h3>drift</h3>

<p>generally slow, temporal change of a property, such as frequency or voltage level, in a certain direction</p>
</div>


<a name="id016480" shape="rect"></a>
<div class="topic">
<h3>drift BTS</h3>

<p>base transceiver station (BTS) which manages physical resources within a cell</p>
</div>


<a name="id014345" shape="rect"></a>
<div class="topic">
<h3>drift radio network controller; <em>drift RNC</em>; <em>drifting RNC</em>; <em>DRNC</em></h3>

<p>radio network controller (RNC) of a drift radio network subsystem (DRNS) supporting the serving RNC with radio resources when the connection between the radio access network (RAN) and the mobile station (MS) needs to use the cells controlled by this RNC</p>
</div>


<a name="p2xhtm-repid-5156" shape="rect"></a>
<div class="topic">
<h3>drift radio 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=id010146#id010146" onclick="sync(this);return true" shape="rect">See drift RNS</a></p>
</div>


<a name="p2xhtm-repid-5157" shape="rect"></a>
<div class="topic">
<h3>drift RNC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014345#id014345" onclick="sync(this);return true" shape="rect">See drift radio network controller</a></p>
</div>


<a name="id010146" shape="rect"></a>
<div class="topic">
<h3>drift RNS; <em>drift radio network subsystem</em>; <em>DRNS</em></h3>

<p>radio network subsystem (RNS) that supports the serving RNS with radio resources when the connection between the UMTS terrestrial radio access network (UTRAN) and the mobile station need to use the cell or cells controlled by this RNS</p>
</div>


<a name="id015365" shape="rect"></a>
<div class="topic">
<h3>drift RNTI; <em>drifting RNTI</em>; <em>D-RNTI</em></h3>

<p>radio network temporary identifier (RNTI) used by the serving radio network controller (RNC) to identify the mobile station (MS) to the drift RNC</p>
</div>


<a name="p2xhtm-repid-5160" shape="rect"></a>
<div class="topic">
<h3>drifting RNC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014345#id014345" onclick="sync(this);return true" shape="rect">See drift radio network controller</a></p>
</div>


<a name="p2xhtm-repid-5161" shape="rect"></a>
<div class="topic">
<h3>drifting RNTI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015365#id015365" onclick="sync(this);return true" shape="rect">See drift RNTI</a></p>
</div>


<a name="id02656" shape="rect"></a>
<div class="topic">
<h3>driver; <em>device driver</em></h3>

<p>program that implements hardware-related low-level services</p>
</div>


<a name="p2xhtm-repid-5163" shape="rect"></a>
<div class="topic">
<h3>DRM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014504#id014504" onclick="sync(this);return true" shape="rect">See digital rights management</a></p>
</div>


<a name="id018266" shape="rect"></a>
<div class="topic">
<h3>DRM content; <em>DRM-protected content</em>; <em>DRM object</em></h3>

<p>digital content that is consumed according to a set of rights</p>
</div>


<a name="id018265" shape="rect"></a>
<div class="topic">
<h3>DRM content format; <em>digital content format</em>; <em>content format</em>; <em>DCF</em></h3>

<p>encrypted format of content which is obtained by encrypting the media objects using keys and a specified algorithm</p>
</div>


<a name="id019493" shape="rect"></a>
<div class="topic">
<h3>DRM forward lock; <em>forward-lock</em>; <em>forward lock</em></h3>

<p>Open Mobile Alliance (OMA) specified function that enables the service provider to configure content types that are not allowed to be forwarded or carbon copied</p>
</div>


<a name="id018264" shape="rect"></a>
<div class="topic">
<h3>DRM message</h3>

<p>message containing a media object and an optional rights object</p>
</div>


<a name="p2xhtm-repid-5168" shape="rect"></a>
<div class="topic">
<h3>DRM 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=id016669#id016669" onclick="sync(this);return true" shape="rect">See digital rights management module</a></p>
</div>


<a name="p2xhtm-repid-5169" shape="rect"></a>
<div class="topic">
<h3>DRM object</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018266#id018266" onclick="sync(this);return true" shape="rect">See DRM content</a></p>
</div>


<a name="id019901" shape="rect"></a>
<div class="topic">
<h3>DRM option</h3>

<p>set of permissions and constraints that define how the user may use the content</p>
</div>


<a name="p2xhtm-repid-5171" shape="rect"></a>
<div class="topic">
<h3>DRM voucher</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016662#id016662" onclick="sync(this);return true" shape="rect">See rights object</a></p>
</div>


<a name="p2xhtm-repid-5172" shape="rect"></a>
<div class="topic">
<h3>DRM-protected content</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018266#id018266" onclick="sync(this);return true" shape="rect">See DRM content</a></p>
</div>


<a name="p2xhtm-repid-5173" shape="rect"></a>
<div class="topic">
<h3>DRMM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016669#id016669" onclick="sync(this);return true" shape="rect">See digital rights management module</a></p>
</div>


<a name="p2xhtm-repid-5174" shape="rect"></a>
<div class="topic">
<h3>DRMM 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=id018693#id018693" onclick="sync(this);return true" shape="rect">See digital rights management module interface</a></p>
</div>


<a name="p2xhtm-repid-5175" shape="rect"></a>
<div class="topic">
<h3>DRMM 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=id019873#id019873" onclick="sync(this);return true" shape="rect">See DRMM user interface</a></p>
</div>


<a name="id019873" shape="rect"></a>
<div class="topic">
<h3>DRMM user interface; <em>DRMM UI</em></h3>

<p>web-based user interface for carrying out the administration and monitoring tasks in the digital rights management module (DRMM)</p>
</div>


<a name="p2xhtm-repid-5177" shape="rect"></a>
<div class="topic">
<h3>DRNC</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014345#id014345" onclick="sync(this);return true" shape="rect">See drift radio network controller</a></p>
</div>


<a name="p2xhtm-repid-5178" shape="rect"></a>
<div class="topic">
<h3>DRNHN</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013066#id013066" onclick="sync(this);return true" shape="rect">See dynamic routing for non-hierarchical networks</a></p>
</div>


<a name="p2xhtm-repid-5179" shape="rect"></a>
<div class="topic">
<h3>DRNS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010146#id010146" onclick="sync(this);return true" shape="rect">See drift RNS</a></p>
</div>


<a name="p2xhtm-repid-5180" shape="rect"></a>
<div class="topic">
<h3>drop down combo box</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019818#id019818" onclick="sync(this);return true" shape="rect">See list</a></p>
</div>


<a name="id016519" shape="rect"></a>
<div class="topic">
<h3>drop precedence</h3>

<p>among assured forwarding PHB groups, a value that determines a packet's discard probability in case of congestion</p>
</div>


<a name="p2xhtm-repid-5182" shape="rect"></a>
<div class="topic">
<h3>drop-and-insert equipment</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0197#id0197" onclick="sync(this);return true" shape="rect">See digital branching equipment</a></p>
</div>


<a name="id019830" shape="rect"></a>
<div class="topic">
<h3>drop-down arrow</h3>

<p>arrow button used for opening a list of options</p>
</div>


<a name="p2xhtm-repid-5184" shape="rect"></a>
<div class="topic">
<h3>drop-down 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=id019818#id019818" onclick="sync(this);return true" shape="rect">See list</a></p>
</div>


<a name="id07633" shape="rect"></a>
<div class="topic">
<h3>drop-down list; <em>dropdown list box</em>; <em>list box</em></h3>

<p>in graphical user interfaces, a list box with a list of options for the user to select from</p>
</div>


<a name="p2xhtm-repid-5186" shape="rect"></a>
<div class="topic">
<h3>drop-down list box</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019818#id019818" onclick="sync(this);return true" shape="rect">See list</a></p>
</div>


<a name="p2xhtm-repid-5187" shape="rect"></a>
<div class="topic">
<h3>dropdown combo box</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07093#id07093" onclick="sync(this);return true" shape="rect">See combo box</a></p>
</div>


<a name="p2xhtm-repid-5188" shape="rect"></a>
<div class="topic">
<h3>dropdown list box</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07633#id07633" onclick="sync(this);return true" shape="rect">See drop-down list</a></p>
</div>


<a name="id013911" shape="rect"></a>
<div class="topic">
<h3>dropout</h3>

<p>loss of signal that occurs when the user of a mobile station passes through an area where the radio signal is blocked or reduced by geographical or structural obstructions</p>
</div>


<a name="id015351" shape="rect"></a>
<div class="topic">
<h3>dropper</h3>

<p>device that performs policing</p>
</div>


<a name="p2xhtm-repid-5191" shape="rect"></a>
<div class="topic">
<h3>dropping</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015246#id015246" onclick="sync(this);return true" shape="rect">See policing</a></p>
</div>


<a name="p2xhtm-repid-5192" shape="rect"></a>
<div class="topic">
<h3>DRQ</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018512#id018512" onclick="sync(this);return true" shape="rect">See delete request state message</a></p>
</div>


<a name="p2xhtm-repid-5193" shape="rect"></a>
<div class="topic">
<h3>DRS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012237#id012237" onclick="sync(this);return true" shape="rect">See delayed release message</a></p>
</div>


<a name="p2xhtm-repid-5194" shape="rect"></a>
<div class="topic">
<h3>DRS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015405#id015405" onclick="sync(this);return true" shape="rect">See data reporting system</a></p>
</div>


<a name="p2xhtm-repid-5195" shape="rect"></a>
<div class="topic">
<h3>DRST</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015093#id015093" onclick="sync(this);return true" shape="rect">See destination restricted message</a></p>
</div>


<a name="p2xhtm-repid-5196" shape="rect"></a>
<div class="topic">
<h3>DRX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04452#id04452" onclick="sync(this);return true" shape="rect">See discontinuous reception</a></p>
</div>


<a name="id011424" shape="rect"></a>
<div class="topic">
<h3>DRX cycle; <em>discontinuous reception cycle</em></h3>

<p>individual time interval between reading two consecutive pieces of initial paging information for specific mobile station</p>
</div>


<a name="id013541" shape="rect"></a>
<div class="topic">
<h3>dry loop</h3>

<p>feature which allows a PSTN/ISDN interface to be isolated from the subscriber loop, after which it can be tested</p>
</div>


<a name="p2xhtm-repid-5199" shape="rect"></a>
<div class="topic">
<h3>DS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011543#id011543" onclick="sync(this);return true" shape="rect">See differentiated service</a></p>
</div>


<a name="p2xhtm-repid-5200" shape="rect"></a>
<div class="topic">
<h3>DS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08635#id08635" onclick="sync(this);return true" shape="rect">See database server</a></p>
</div>


<a name="p2xhtm-repid-5201" shape="rect"></a>
<div class="topic">
<h3>DS behaviour aggregate</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018274#id018274" onclick="sync(this);return true" shape="rect">See behaviour aggregate</a></p>
</div>


<a name="p2xhtm-repid-5202" shape="rect"></a>
<div class="topic">
<h3>DS field</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015100#id015100" onclick="sync(this);return true" shape="rect">See differentiated services field</a></p>
</div>


<a name="p2xhtm-repid-5203" shape="rect"></a>
<div class="topic">
<h3>DS-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=id018534#id018534" onclick="sync(this);return true" shape="rect">See differentiated services quality of service policy information base</a></p>
</div>


<a name="p2xhtm-repid-5204" shape="rect"></a>
<div class="topic">
<h3>DSA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015101#id015101" onclick="sync(this);return true" shape="rect">See digital signature algorithm</a></p>
</div>


<a name="p2xhtm-repid-5205" shape="rect"></a>
<div class="topic">
<h3>DSCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id014195#id014195" onclick="sync(this);return true" shape="rect">See downlink shared channel</a></p>
</div>


<a name="p2xhtm-repid-5206" shape="rect"></a>
<div class="topic">
<h3>DSCP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013837#id013837" onclick="sync(this);return true" shape="rect">See differentiated services code point</a></p>
</div>


<a name="p2xhtm-repid-5207" shape="rect"></a>
<div class="topic">
<h3>DSI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012137#id012137" onclick="sync(this);return true" shape="rect">See dynamic skeleton interface</a></p>
</div>


<a name="p2xhtm-repid-5208" shape="rect"></a>
<div class="topic">
<h3>DSL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08716#id08716" onclick="sync(this);return true" shape="rect">See digital subscriber line</a></p>
</div>


<a name="p2xhtm-repid-5209" shape="rect"></a>
<div class="topic">
<h3>DSLAM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08661#id08661" onclick="sync(this);return true" shape="rect">See digital subscriber line access multiplexer</a></p>
</div>


<a name="p2xhtm-repid-5210" shape="rect"></a>
<div class="topic">
<h3>DSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05064#id05064" onclick="sync(this);return true" shape="rect">See digital signal processor</a></p>
</div>


<a name="p2xhtm-repid-5211" shape="rect"></a>
<div class="topic">
<h3>DSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05805#id05805" onclick="sync(this);return true" shape="rect">See domain-specific part</a></p>
</div>


<a name="p2xhtm-repid-5212" shape="rect"></a>
<div class="topic">
<h3>DSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08046#id08046" onclick="sync(this);return true" shape="rect">See Domain Specific Part</a></p>
</div>


<a name="p2xhtm-repid-5213" shape="rect"></a>
<div class="topic">
<h3>DSP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010848#id010848" onclick="sync(this);return true" shape="rect">See digital signal processing</a></p>
</div>


<a name="id020857" shape="rect"></a>
<div class="topic">
<h3>DSP packet forwarder service</h3>

<p>service for forwarding packets between any types of connections in a digital signal processor (DSP)</p>
</div>


<a name="p2xhtm-repid-5215" shape="rect"></a>
<div class="topic">
<h3>DSP 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=id013513#id013513" onclick="sync(this);return true" shape="rect">See digital signal processing platform</a></p>
</div>


<a name="id013396" shape="rect"></a>
<div class="topic">
<h3>DSP resource manager; <em>signal processing resource manager</em>; <em>SPRM</em></h3>

<p>feature by which the signal processing resources of a network element can be managed</p>
</div>


<a name="p2xhtm-repid-5217" shape="rect"></a>
<div class="topic">
<h3>DSP software</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013397#id013397" onclick="sync(this);return true" shape="rect">See digital signal processing software</a></p>
</div>


<a name="id015109" shape="rect"></a>
<div class="topic">
<h3>DSP statistics</h3>

<p>feature which is required to get statistical information on missed and succeeded calls handled by the signal processing resource manager (SPRM), and to get information on ongoing services and free resources</p>
</div>


<a name="p2xhtm-repid-5219" shape="rect"></a>
<div class="topic">
<h3>DSP SW</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013397#id013397" onclick="sync(this);return true" shape="rect">See digital signal processing software</a></p>
</div>


<a name="p2xhtm-repid-5220" shape="rect"></a>
<div class="topic">
<h3>DSS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015102#id015102" onclick="sync(this);return true" shape="rect">See digital signature standard</a></p>
</div>


<a name="p2xhtm-repid-5221" shape="rect"></a>
<div class="topic">
<h3>DSS 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=id05651#id05651" onclick="sync(this);return true" shape="rect">See Digital Subscriber Signalling System No. 1</a></p>
</div>


<a name="p2xhtm-repid-5222" shape="rect"></a>
<div class="topic">
<h3>DSSS</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010821#id010821" onclick="sync(this);return true" shape="rect">See direct sequence spread spectrum</a></p>
</div>


<a name="p2xhtm-repid-5223" shape="rect"></a>
<div class="topic">
<h3>DSU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09080#id09080" onclick="sync(this);return true" shape="rect">See data service unit</a></p>
</div>


<a name="p2xhtm-repid-5224" shape="rect"></a>
<div class="topic">
<h3>DSUI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016191#id016191" onclick="sync(this);return true" shape="rect">See differentiated services urgency importance</a></p>
</div>


<a name="p2xhtm-repid-5225" shape="rect"></a>
<div class="topic">
<h3>DT</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id0804#id0804" onclick="sync(this);return true" shape="rect">See dial tone</a></p>
</div>


<a name="p2xhtm-repid-5226" shape="rect"></a>
<div class="topic">
<h3>DT1</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015933#id015933" onclick="sync(this);return true" shape="rect">See data form 1</a></p>
</div>


<a name="p2xhtm-repid-5227" shape="rect"></a>
<div class="topic">
<h3>DTAP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04451#id04451" onclick="sync(this);return true" shape="rect">See direct transfer application part</a></p>
</div>


<a name="p2xhtm-repid-5228" shape="rect"></a>
<div class="topic">
<h3>DTCH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id010069#id010069" onclick="sync(this);return true" shape="rect">See dedicated traffic channel</a></p>
</div>


<a name="p2xhtm-repid-5229" shape="rect"></a>
<div class="topic">
<h3>DTD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04237#id04237" onclick="sync(this);return true" shape="rect">See data type definition</a></p>
</div>


<a name="p2xhtm-repid-5230" shape="rect"></a>
<div class="topic">
<h3>DTE</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01763#id01763" onclick="sync(this);return true" shape="rect">See data terminal equipment</a></p>
</div>


<a name="p2xhtm-repid-5231" shape="rect"></a>
<div class="topic">
<h3>DTH</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011998#id011998" onclick="sync(this);return true" shape="rect">See direct-to-home</a></p>
</div>


<a name="p2xhtm-repid-5232" shape="rect"></a>
<div class="topic">
<h3>DTL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09219#id09219" onclick="sync(this);return true" shape="rect">See designated transit list</a></p>
</div>


<a name="id09220" shape="rect"></a>
<div class="topic">
<h3>DTL originator</h3>

<p>first switching system within the entire private network-network interface (PNNI) routing domain to build the initial designated transit list (DTL) stack for a given connection</p>
</div>


<a name="p2xhtm-repid-5234" shape="rect"></a>
<div class="topic">
<h3>DTM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016192#id016192" onclick="sync(this);return true" shape="rect">See dual transfer mode</a></p>
</div>


<a name="p2xhtm-repid-5235" shape="rect"></a>
<div class="topic">
<h3>DTMF</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05491#id05491" onclick="sync(this);return true" shape="rect">See dual-tone multifrequency</a></p>
</div>


<a name="p2xhtm-repid-5236" shape="rect"></a>
<div class="topic">
<h3>DTMF 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=id02516#id02516" onclick="sync(this);return true" shape="rect">See DTMF dialling</a></p>
</div>


<a name="id02516" shape="rect"></a>
<div class="topic">
<h3>DTMF dialling; <em>DTMF dialing /US/</em></h3>

<p>means of transferring dialling information from the user to the exchange by means of dual tone multi- frequency pulses</p>
</div>


<a name="p2xhtm-repid-5238" shape="rect"></a>
<div class="topic">
<h3>DTP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017190#id017190" onclick="sync(this);return true" shape="rect">See data transfer process</a></p>
</div>


<a name="p2xhtm-repid-5239" shape="rect"></a>
<div class="topic">
<h3>DTTV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011999#id011999" onclick="sync(this);return true" shape="rect">See digital terrestrial television</a></p>
</div>


<a name="p2xhtm-repid-5240" shape="rect"></a>
<div class="topic">
<h3>DTV</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012000#id012000" onclick="sync(this);return true" shape="rect">See digital television</a></p>
</div>


<a name="p2xhtm-repid-5241" shape="rect"></a>
<div class="topic">
<h3>DTX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04453#id04453" onclick="sync(this);return true" shape="rect">See discontinuous transmission</a></p>
</div>


<a name="id019746" shape="rect"></a>
<div class="topic">
<h3>dual data rate random access memory; <em>DDR-SDRAM</em>; <em>DDR-RAM</em></h3>

<p>random access memory (RAM) or synchronised dynamic random access memory (SDRAM) that transfers data on both clock transitions</p>
</div>


<a name="p2xhtm-repid-5243" shape="rect"></a>
<div class="topic">
<h3>dual numbering</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05808#id05808" onclick="sync(this);return true" shape="rect">See alternate line service</a></p>
</div>


<a name="id02737" shape="rect"></a>
<div class="topic">
<h3>dual port memory</h3>

<p>memory used for interaction between two units, which both memories can read and write to</p>
</div>


<a name="id011218" shape="rect"></a>
<div class="topic">
<h3>dual rate traffic channel</h3>

<p>traffic channel that functions at both full and half rate</p>
</div>


<a name="id0783" shape="rect"></a>
<div class="topic">
<h3>dual seizure; <em>double seizure</em></h3>

<p>condition which occurs in a two-way operation when two exchanges attempt to seize the same circuit or time slot simultaneously</p>
</div>


<a name="id015110" shape="rect"></a>
<div class="topic">
<h3>dual stack; <em>dual-stack</em></h3>

<p>operational mode in which both IPv4 and IPv6 addresses are used</p>
</div>


<a name="p2xhtm-repid-5248" shape="rect"></a>
<div class="topic">
<h3>dual tone multi-frequency</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05491#id05491" onclick="sync(this);return true" shape="rect">See dual-tone multifrequency</a></p>
</div>


<a name="id016192" shape="rect"></a>
<div class="topic">
<h3>dual transfer mode; <em>DTM</em></h3>

<p>transfer mode in which a mobile station is simultaneously in dedicated mode and packet transfer mode</p>
</div>


<a name="id020869" shape="rect"></a>
<div class="topic">
<h3>dual-port RAM; <em>dual-port random access memory</em>; <em>DPRAM</em></h3>

<p>random access memory (RAM) with two independent ports, each of which is capable of being read or written simultaneously with and independently of the other port</p>
</div>


<a name="p2xhtm-repid-5251" shape="rect"></a>
<div class="topic">
<h3>dual-port random access memory</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020869#id020869" onclick="sync(this);return true" shape="rect">See dual-port RAM</a></p>
</div>


<a name="p2xhtm-repid-5252" shape="rect"></a>
<div class="topic">
<h3>dual-stack</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015110#id015110" onclick="sync(this);return true" shape="rect">See dual stack</a></p>
</div>


<a name="id05491" shape="rect"></a>
<div class="topic">
<h3>dual-tone multifrequency; <em>DTMF</em></h3>

<p>signalling method employing set combinations of two specific voice-band frequencies, one of which is selected from a group of four low frequencies, and the other from a group of three or four relatively high frequencies</p>
</div>


<a name="p2xhtm-repid-5254" shape="rect"></a>
<div class="topic">
<h3>duct optical cable</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06284#id06284" onclick="sync(this);return true" shape="rect">See fibre-optic duct cable</a></p>
</div>


<a name="p2xhtm-repid-5255" shape="rect"></a>
<div class="topic">
<h3>DUD</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09841#id09841" onclick="sync(this);return true" shape="rect">See data upload and download</a></p>
</div>


<a name="p2xhtm-repid-5256" shape="rect"></a>
<div class="topic">
<h3>dumb terminal</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id04897#id04897" onclick="sync(this);return true" shape="rect">See non-intelligent terminal</a></p>
</div>


<a name="id04286" shape="rect"></a>
<div class="topic">
<h3>dump</h3>

<p>to write the contents of a storage, or part of a storage, to a data medium or an external memory</p>
</div>


<a name="p2xhtm-repid-5258" shape="rect"></a>
<div class="topic">
<h3>dumping</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09599#id09599" onclick="sync(this);return true" shape="rect">See dumping of a file</a></p>
</div>


<a name="id09599" shape="rect"></a>
<div class="topic">
<h3>dumping of a file; <em>dumping</em></h3>

<p>event in which the data contents of a disk file are fetched from a memory file</p>
</div>


<a name="p2xhtm-repid-5260" shape="rect"></a>
<div class="topic">
<h3>DUNA</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015095#id015095" onclick="sync(this);return true" shape="rect">See destination unavailable message</a></p>
</div>


<a name="p2xhtm-repid-5261" shape="rect"></a>
<div class="topic">
<h3>DUP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06802#id06802" onclick="sync(this);return true" shape="rect">See destinating user prompter</a></p>
</div>


<a name="p2xhtm-repid-5262" shape="rect"></a>
<div class="topic">
<h3>DUP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id084#id084" onclick="sync(this);return true" shape="rect">See data user part</a></p>
</div>


<a name="id05154" shape="rect"></a>
<div class="topic">
<h3>duplex</h3>

<p>simultaneous two-way and independent transmission in both directions</p>
</div>


<a name="id07404" shape="rect"></a>
<div class="topic">
<h3>duplex filter; <em>duplexer filter</em>; <em>duplexer</em></h3>

<p>filter which is used to connect the radio relay equipment's transmitter and receiver to the antenna</p>
</div>


<a name="id03598" shape="rect"></a>
<div class="topic">
<h3>duplex frequency; <em>duplex spacing</em>; <em>transmit to receive spacing</em></h3>

<p>difference between transmitting and receiving frequencies</p>
</div>


<a name="id05155" shape="rect"></a>
<div class="topic">
<h3>duplex operation</h3>

<p>a method of operation whereby transmission is possible simultaneously in both directions</p>
</div>


<a name="p2xhtm-repid-5267" shape="rect"></a>
<div class="topic">
<h3>duplex spacing</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id03598#id03598" onclick="sync(this);return true" shape="rect">See duplex frequency</a></p>
</div>


<a name="p2xhtm-repid-5268" shape="rect"></a>
<div class="topic">
<h3>duplexer</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07404#id07404" onclick="sync(this);return true" shape="rect">See duplex filter</a></p>
</div>


<a name="p2xhtm-repid-5269" shape="rect"></a>
<div class="topic">
<h3>duplexer filter</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07404#id07404" onclick="sync(this);return true" shape="rect">See duplex filter</a></p>
</div>


<a name="id015111" shape="rect"></a>
<div class="topic">
<h3>duplicate address detection; <em>DAD</em></h3>

<p>procedure that an IPv6 host performs to determine that the address it wishes to use on the logical link is not already in use</p>
</div>


<a name="p2xhtm-repid-5271" shape="rect"></a>
<div class="topic">
<h3>duplicate CDR checking</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011544#id011544" onclick="sync(this);return true" shape="rect">See duplicate CDR prevention</a></p>
</div>


<a name="p2xhtm-repid-5272" shape="rect"></a>
<div class="topic">
<h3>duplicate CDR packet prevention</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011544#id011544" onclick="sync(this);return true" shape="rect">See duplicate CDR prevention</a></p>
</div>


<a name="id011544" shape="rect"></a>
<div class="topic">
<h3>duplicate CDR prevention; <em>duplicate CDR packet prevention</em>; <em>duplicate CDR checking</em>; <em>CDR duplicate checking</em></h3>

<p>enhanced GPRS tunnelling protocol (GTP') function in the charging gateway for ensuring that the same charging record (CDR) is processed only once</p>
</div>


<a name="id020957" shape="rect"></a>
<div class="topic">
<h3>duplicated unit</h3>

<p>functional unit that is divided into an active unit that is in working state and at least one spare unit</p>
</div>


<a name="p2xhtm-repid-5275" shape="rect"></a>
<div class="topic">
<h3>duplication</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08957#id08957" onclick="sync(this);return true" shape="rect">See 2N redundancy</a></p>
</div>


<a name="p2xhtm-repid-5276" shape="rect"></a>
<div class="topic">
<h3>DUPU</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id017166#id017166" onclick="sync(this);return true" shape="rect">See destination user part unavailable message</a></p>
</div>


<a name="id04541" shape="rect"></a>
<div class="topic">
<h3>durability</h3>

<p>remaining of the results of an event in a database regardless of errors occurring after commitment</p>
</div>


<a name="id04188" shape="rect"></a>
<div class="topic">
<h3>duration</h3>

<p>predefined data type which denotes a time difference</p>
</div>


<a name="p2xhtm-repid-5279" shape="rect"></a>
<div class="topic">
<h3>duration-based charging</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06#id06" onclick="sync(this);return true" shape="rect">See time-based charging</a></p>
</div>


<a name="p2xhtm-repid-5280" shape="rect"></a>
<div class="topic">
<h3>DVB</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id012001#id012001" onclick="sync(this);return true" shape="rect">See digital video broadcasting</a></p>
</div>


<a name="p2xhtm-repid-5281" shape="rect"></a>
<div class="topic">
<h3>DVMPR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016396#id016396" onclick="sync(this);return true" shape="rect">See distance vector multi-protocol routing</a></p>
</div>


<a name="p2xhtm-repid-5282" shape="rect"></a>
<div class="topic">
<h3>DVMRP</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016396#id016396" onclick="sync(this);return true" shape="rect">See distance vector multi-protocol routing</a></p>
</div>


<a name="p2xhtm-repid-5283" shape="rect"></a>
<div class="topic">
<h3>DWDM</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id07993#id07993" onclick="sync(this);return true" shape="rect">See dense wavelength division multiplexing</a></p>
</div>


<a name="p2xhtm-repid-5284" shape="rect"></a>
<div class="topic">
<h3>DWLL</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id06648#id06648" onclick="sync(this);return true" shape="rect">See digital wireless local loop</a></p>
</div>


<a name="p2xhtm-repid-5285" shape="rect"></a>
<div class="topic">
<h3>dword</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05106#id05106" onclick="sync(this);return true" shape="rect">See double word</a></p>
</div>


<a name="p2xhtm-repid-5286" shape="rect"></a>
<div class="topic">
<h3>DWRR</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id015091#id015091" onclick="sync(this);return true" shape="rect">See deficit weighted round robin</a></p>
</div>


<a name="p2xhtm-repid-5287" shape="rect"></a>
<div class="topic">
<h3>DX</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01924#id01924" onclick="sync(this);return true" shape="rect">See digital exchange</a></p>
</div>


<a name="id015551" shape="rect"></a>
<div class="topic">
<h3>DX error code mapping</h3>

<p>feature for mapping the values of DX error codes to the error and description texts</p>
</div>


<a name="id021226" shape="rect"></a>
<div class="topic">
<h3>DX image file; <em>image file</em></h3>

<p>file that contains an exact copy of the contents of a DX file system</p>
</div>


<a name="id013064" shape="rect"></a>
<div class="topic">
<h3>DX interface; <em>DXI</em></h3>

<p>interface which performs the application-dependent adaptations and provides for its clients a logical view to the DX system</p>
</div>


<a name="id013720" shape="rect"></a>
<div class="topic">
<h3>DX number type</h3>

<p>feature which standardises the representation and usage of the sequences of address digits used internally in a DX200 exchange with the purpose of providing abstract methods for handling the digit sequences and a common representation for their storage</p>
</div>


<a name="p2xhtm-repid-5292" shape="rect"></a>
<div class="topic">
<h3>DXI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013064#id013064" onclick="sync(this);return true" shape="rect">See DX interface</a></p>
</div>


<a name="p2xhtm-repid-5293" shape="rect"></a>
<div class="topic">
<h3>DXI</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id09221#id09221" onclick="sync(this);return true" shape="rect">See data exchange interface</a></p>
</div>


<a name="p2xhtm-repid-5294" shape="rect"></a>
<div class="topic">
<h3>dynamic access 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=id08414#id08414" onclick="sync(this);return true" shape="rect">See DAXNode</a></p>
</div>


<a name="id013721" shape="rect"></a>
<div class="topic">
<h3>dynamic actor starting</h3>

<p>service of the Chorus computing platform which is responsible for starting loaded programs in an appropriate start-up phase</p>
</div>


<a name="id08909" shape="rect"></a>
<div class="topic">
<h3>dynamic address; <em>dynamic PDP address</em></h3>

<p>address belonging to the operator addressing space that is given to the mobile station at PDP context activation by the gateway GPRS support node</p>
</div>


<a name="p2xhtm-repid-5297" shape="rect"></a>
<div class="topic">
<h3>dynamic allocation</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05369#id05369" onclick="sync(this);return true" shape="rect">See dynamic channel allocation</a></p>
</div>


<a name="p2xhtm-repid-5298" shape="rect"></a>
<div class="topic">
<h3>dynamic allocation of base station channels</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id05369#id05369" onclick="sync(this);return true" shape="rect">See dynamic channel allocation</a></p>
</div>


<a name="id09708" shape="rect"></a>
<div class="topic">
<h3>dynamic bandwidth allocation; <em>DBA</em></h3>

<p>function which provides a required internal flow control mechanism for the ATM switch</p>
</div>


<a name="id09709" shape="rect"></a>
<div class="topic">
<h3>dynamic bandwidth management; <em>DBM</em></h3>

<p>bandwidth management protocol which provides the capability to support fast effective end-to-end bandwidth control for IP traffic transported over an ATM network</p>
</div>


<a name="id012584" shape="rect"></a>
<div class="topic">
<h3>dynamic buffering for hot billing data</h3>

<p>feature which offers a way to use capacity of the hot data buffer effectively by making the size of the buffer adjustable</p>
</div>


<a name="id017027" shape="rect"></a>
<div class="topic">
<h3>dynamic CDR format</h3>

<p>charging record (CDR) format in which all necessary charging information of a session is stored within one charging record</p>
</div>


<a name="id05369" shape="rect"></a>
<div class="topic">
<h3>dynamic channel allocation; <em>dynamic channel management</em>; <em>dynamic allocation of base station channels</em>; <em>dynamic allocation</em>; <em>DCA</em></h3>

<p>medium access mode which makes the use of radio channels in a cellular network more effective by directing them from one base station to another, according to the traffic requirements</p>
</div>


<a name="p2xhtm-repid-5304" shape="rect"></a>
<div class="topic">
<h3>dynamic channel 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=id05369#id05369" onclick="sync(this);return true" shape="rect">See dynamic channel allocation</a></p>
</div>


<a name="id05367" shape="rect"></a>
<div class="topic">
<h3>dynamic channel selection</h3>

<p>technique used in radio transmission which utilises a free radio channel, appropriate at a time</p>
</div>


<a name="id017057" shape="rect"></a>
<div class="topic">
<h3>dynamic charging configuration</h3>

<p>charging configuration that enables the network operator to modify the charging-related parameters</p>
</div>


<a name="id07871" shape="rect"></a>
<div class="topic">
<h3>dynamic computer group</h3>

<p>computer group formed when needed, consisting of computers free of choice</p>
</div>


<a name="id019168" shape="rect"></a>
<div class="topic">
<h3>dynamic configuration; <em>DynCo</em></h3>

<p>method of modifying the configuration files of administrative tools and other common resources when individual systems are installed to or uninstalled from the system</p>
</div>


<a name="id011545" shape="rect"></a>
<div class="topic">
<h3>dynamic data formatting</h3>

<p>feature allowing the content of the charging records (CDR) and reports that the exchange generates about connections to be changed with the form file editor</p>
</div>


<a name="p2xhtm-repid-5310" shape="rect"></a>
<div class="topic">
<h3>dynamic deployment</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020595#id020595" onclick="sync(this);return true" shape="rect">See dynamic deployment data</a></p>
</div>


<a name="id020595" shape="rect"></a>
<div class="topic">
<h3>dynamic deployment data; <em>dynamic deployment</em></h3>

<p>in the context of FlexiServer, deployment data that is dependent on the cluster runtime structure and size</p>
</div>


<a name="id017028" shape="rect"></a>
<div class="topic">
<h3>dynamic executable script</h3>

<p>executable service script that has variable data, such as parameters</p>
</div>


<a name="id016168" shape="rect"></a>
<div class="topic">
<h3>dynamic frequency and channel allocation; <em>dynamic frequency and channel assignment</em>; <em>DFCA</em></h3>

<p>function that provides a desirable carrier-to-interference ratio (CIR) for every connection by assigning the radio channel dynamically based on downlink measurement reports, cell-level CIR statistics, and the knowledge of the used radio channels in the surrounding cells</p>
</div>


<a name="p2xhtm-repid-5314" shape="rect"></a>
<div class="topic">
<h3>dynamic frequency and channel assignment</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id016168#id016168" onclick="sync(this);return true" shape="rect">See dynamic frequency and channel allocation</a></p>
</div>


<a name="id08910" shape="rect"></a>
<div class="topic">
<h3>dynamic host configuration protocol; <em>DHCP</em></h3>

<p>protocol used for dynamic IP address allocation</p>
</div>


<a name="p2xhtm-repid-5316" shape="rect"></a>
<div class="topic">
<h3>dynamic host configuration protocol 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=id09845#id09845" onclick="sync(this);return true" shape="rect">See DHCP server</a></p>
</div>


<a name="id012135" shape="rect"></a>
<div class="topic">
<h3>dynamic invocation interface; <em>DII</em></h3>

<p>application programming interface (API) that allows a client to make dynamic invocations on remote common object request broker architecture (CORBA) objects</p>
</div>


<a name="id020875" shape="rect"></a>
<div class="topic">
<h3>dynamic Iub</h3>

<p>advanced Iub interface which enables the dimensioning of the ratio of radio network controllers (RNC) and base transceiver stations (BTS) based on the average load of the base transceiver stations</p>
</div>


<a name="id015744" shape="rect"></a>
<div class="topic">
<h3>dynamic library</h3>

<p>library in the ChorusOS operating system that is loaded at runtime and is not included in the executable file</p>
</div>


<a name="id012136" shape="rect"></a>
<div class="topic">
<h3>dynamic link library; <em>DLL</em></h3>

<p>function library that can be loaded into memory once and called by one or more applications so that the operating system dynamically resolves the entry points, or the addresses of the called routines, at run time</p>
</div>


<a name="id014832" shape="rect"></a>
<div class="topic">
<h3>dynamic load sharing; <em>load balancing</em></h3>

<p>sophisticated type of load sharing in which the load rate is measured constantly and taken into account when making routing decisions, so that no single device or route gets overwhelmed</p>
</div>


<a name="id02749" shape="rect"></a>
<div class="topic">
<h3>dynamic memory; <em>dynamic storage</em></h3>

<p>memory which depends on time or situation or changes constantly or very often</p>
</div>


<a name="id06683" shape="rect"></a>
<div class="topic">
<h3>dynamic memory management</h3>

<p>management of memory in an object computer with means that allow for reuse of memory space once reserved and released</p>
</div>


<a name="id016712" shape="rect"></a>
<div class="topic">
<h3>dynamic menu control protocol; <em>DMCP</em></h3>

<p>protocol which enables over-the-air update of the mobile phone menu structure</p>
</div>


<a name="id010411" shape="rect"></a>
<div class="topic">
<h3>dynamic message</h3>

<p>message the content and length of which can change in different phases of the call</p>
</div>


<a name="id016437" shape="rect"></a>
<div class="topic">
<h3>dynamic mobile address</h3>

<p>IP address that is valid only during PDP context activation</p>
</div>


<a name="id015366" shape="rect"></a>
<div class="topic">
<h3>dynamic node equipment n x 2 Mbit/s; <em>DN2</em></h3>

<p>node equipment enabling flexible and non-blocked connection and branching of subrate channels in the 30/31-channel frame structure of a 2 Mbit/s system</p>
</div>


<a name="p2xhtm-repid-5328" shape="rect"></a>
<div class="topic">
<h3>dynamic page</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id018999#id018999" onclick="sync(this);return true" shape="rect">See dynamic web page</a></p>
</div>


<a name="id07253" shape="rect"></a>
<div class="topic">
<h3>dynamic parameter guidance</h3>

<p>parameter guidance where the semantic information of the guidance text depends on the configuration of the system</p>
</div>


<a name="p2xhtm-repid-5330" shape="rect"></a>
<div class="topic">
<h3>dynamic PDP 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=id08909#id08909" onclick="sync(this);return true" shape="rect">See dynamic address</a></p>
</div>


<a name="id019150" shape="rect"></a>
<div class="topic">
<h3>dynamic problem class</h3>

<p>problem class that is automatically deleted when no corresponding problems exist in the service quality manager (SQM) database</p>
</div>


<a name="p2xhtm-repid-5332" shape="rect"></a>
<div class="topic">
<h3>dynamic provisioning</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id020056#id020056" onclick="sync(this);return true" shape="rect">See dynamic subscription provisioning</a></p>
</div>


<a name="id020057" shape="rect"></a>
<div class="topic">
<h3>dynamic provisioning</h3>

<p>provisioning that allows end users to activate new services for themselves directly in real time</p>
</div>


<a name="id01097" shape="rect"></a>
<div class="topic">
<h3>dynamic RAM; <em>dynamic random access memory</em>; <em>DRAM</em></h3>

<p>RAM that stores information in capacitors that must be periodically refreshed</p>
</div>


<a name="p2xhtm-repid-5335" shape="rect"></a>
<div class="topic">
<h3>dynamic random access memory</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id01097#id01097" onclick="sync(this);return true" shape="rect">See dynamic RAM</a></p>
</div>


<a name="id09435" shape="rect"></a>
<div class="topic">
<h3>dynamic routing</h3>

<p>routing that adjusts automatically to network topology or traffic changes</p>
</div>


<a name="id013066" shape="rect"></a>
<div class="topic">
<h3>dynamic routing for non-hierarchical networks; <em>DRNHN</em></h3>

<p>feature which the operator can use to define that the selected subdestination is the least loaded one</p>
</div>


<a name="id012137" shape="rect"></a>
<div class="topic">
<h3>dynamic skeleton interface; <em>DSI</em></h3>

<p>application programming interface (API) that provides a way to deliver requests from an object request broker (ORB) to an object implementation when the type of the object implementation is not known at compile time</p>
</div>


<a name="p2xhtm-repid-5339" shape="rect"></a>
<div class="topic">
<h3>dynamic storage</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id02749#id02749" onclick="sync(this);return true" shape="rect">See dynamic memory</a></p>
</div>


<a name="id020056" shape="rect"></a>
<div class="topic">
<h3>dynamic subscription provisioning; <em>dynamic provisioning</em></h3>

<p>provisioning a subscription that is done in nearly real time and enforced without having to set up a new PDP context</p>
</div>


<a name="id018999" shape="rect"></a>
<div class="topic">
<h3>dynamic web page; <em>dynamic page</em></h3>

<p>web page in which the information is pulled from an outside source</p>
</div>


<a name="p2xhtm-repid-5342" shape="rect"></a>
<div class="topic">
<h3>dynamical 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=id011255#id011255" onclick="sync(this);return true" shape="rect">See statistical multiplexing</a></p>
</div>


<a name="p2xhtm-repid-5343" shape="rect"></a>
<div class="topic">
<h3>dynamical reference</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id013065#id013065" onclick="sync(this);return true" shape="rect">See dynamical reference channel</a></p>
</div>


<a name="id013065" shape="rect"></a>
<div class="topic">
<h3>dynamical reference channel; <em>dynamical reference</em></h3>

<p>data channel used as a reference channel against which another data channel is tested</p>
</div>


<a name="id09849" shape="rect"></a>
<div class="topic">
<h3>dynamically linked library</h3>

<p>library whose address in the process address space is not known until the process is started</p>
</div>


<a name="id013398" shape="rect"></a>
<div class="topic">
<h3>dynamically loaded actor</h3>

<p>actor which is not started as part of the boot archive</p>
</div>


<a name="id09547" shape="rect"></a>
<div class="topic">
<h3>dynamically partitioned file</h3>

<p>work file of a set of processes each of which writes only to a data unit or a set of data units in that file. The relations between the processes using a portion of the file is established per task</p>
</div>


<a name="p2xhtm-repid-5348" shape="rect"></a>
<div class="topic">
<h3>DynCo</h3>

<p><a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id019168#id019168" onclick="sync(this);return true" shape="rect">See dynamic configuration</a></p>
</div>
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