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<h2>Traffic management features</h2>

<p>A dual band network requires a functionality that enables
the management of different subscriber types.</p>


<p>In order to make the maximum use of the additional capacity
provided by a dual band network, dual band users must be carefully managed
between the bands. The strategy must be to optimise the availability and call
quality of all users. This is achieved by managing the dual band mobiles between
the GSM 900/800 and GSM1800/1900 cells (micro/macro). This can
be done in the idle mode, during a call set up (on <a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011274#id011274" onclick="openSmallPopup(event,'NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id011274#id011274');return false" shape="rect" target="_blank">SDCCH</a>),
or during a call.</p>


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<p>You must also be able to manage different kinds of subscriber
type and mobile type profiles in billing and charging, so that you can create
different service packages with different tariffs based on the used service
and mobile type (Subscriber Segmentation in Dual Band).</p>


<p><a href="NED?action=retrieve&amp;identifier=dn02228404&amp;edition=4&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_3#ned_3" onclick="sync(this);return true" shape="rect">Features used in idle mode</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn02228404&amp;edition=4&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_4#ned_4" onclick="sync(this);return true" shape="rect">Features used during call set-up</a></p>


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