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<title>Activating Enhanced Quality of Service (EQoS)</title>
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<h1>Activating Enhanced Quality of Service (EQoS)</h1>

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<h2>Purpose</h2>

<p>Use this procedure to activate Enhanced Quality of Service (EQoS).</p>
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<h2>Steps</h2>

<layer visibility="hide"><p class="title"><span class="ExpCollAll" onclick="ExpCollAll(false); return false"><img alt="Expand/collapse all" border="0" class="ExpColl" name="blockTitle" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" />
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<p class="title"><span class="block-title" onclick="expandBlock('block1'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block1Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Activate the EQoS feature (W7M).</span></p>
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<p><span class="parameter-sem">ZW7M:FEA=5:ON;</span></p>
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<p class="title"><span class="block-title" onclick="expandBlock('block2'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block2Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Set the EQoS parameters, if necessary
(EEV, EEQ, EQN, EQV, EQO).</span></p>
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<p>See BSC/TCSM documentation: <em>Enhanced Quality of Service</em>
for recommendations on how to set the parameters.  </p>


<p>See <em>Base Station Controller Parameter Handling, </em>(EE) and <em>Base
Transceiver Station Handling in BSC </em>(EQ) for more information on the
command parameters.</p>
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<p class="title"><span class="block-title" onclick="expandBlock('block3'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block3Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Reset the NSE (FWR).</span></p>
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<p><span class="parameter-sem">ZFWR:NSEI=&lt;network service entity identifier&gt;;</span></p>


<p>The PCU negotiates support for the PFC procedures with the SGSN during
the reset. If the procedures are supported by the SGSN, EQoS becomes active
for the NSE.  </p>


<p>The state of the EQoS functionality can change in BCSU restart or switchover
as well. These cause the NSE to reset. </p>


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<dt class="note-caption">Note</dt>
<dd><p>If the PFC procedure negotiation does not succeed between the BSC and
the SGSN, the alarm 3250 is raised. Refer to <em>Failure Printouts</em>
for more information on the alarm.  </p>



<p>If PFC procedure negotiation is succesful, but SGSN does not support
PFC Flow Control procedures, the alarm 1284 is raised. Lack of the PFC Flow
Control procedures does not prevent EQoS activation, but it may restrict EQoS
functionality. Refer to <em>Failure Printouts</em> for more information
on the alarm.</p>
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<p class="title"><span class="block-title" onclick="expandBlock('block4'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block4Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Check the EQoS status (FWO).</span></p>
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<p><span class="parameter-sem">ZFWO:BCSU=0&amp;&amp;8;</span> </p>
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<h2>Expected outcome</h2>

<p>Parameter PFC feature mode is ON in the execution printout of the command. </p>
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<h2>Unexpected outcome</h2>

<p>If the alarm 3250 is raised, the activation has failed.</p>
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