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<p class="MsoNormal"><span style="font-size:12.0pt">Dear all<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Any inputs on this question put in the Q&A Forum (only saw it today!)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Simão<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">---start---<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">01-11-2013 02:15 AM<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">wang dayong<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Subject: H248.1 chapter 7.1.11 KeepActive Signal<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Anew SignalsDescriptor replaces any existing SignalsDescriptor. Any signalsapplied to the Termination not in
 the replacement descriptor shall be stopped,and new signals are applied, except as follows. Signals present in thereplacement descriptor and containing the KeepActive flag shall be continued ifthey are currently playing and have not already completed. If a
 replacementsignal descriptor contains a signal that is not currently playing and containsthe KeepActive flag, that signal SHALL be ignored. If the replacement descriptor contains asequential signal list with the same identifier as the existing descriptor,then<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">•           the signal type and sequence of signals in the sequential signal list in thereplacement descriptor
 shall be ignored; and<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">•           the playing of the signals in the sequential signal list in the existingdescriptor shall not be
 interrupted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
To apply on following sequence -- meeting usage.<br>
When MG receive following package from MGC<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Frame 36:   C=70{MF=TEL1102006{SG{amet/mpb{bpc=10}}}}}<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:54.0pt;text-indent:-18.0pt">
<span style="font-size:12.0pt;font-family:"Times New Roman","serif""> action: MG has to generate 1 burst of 10 pulses for terminationTEL1102006<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Frame51:   C=70{MF=TEL1102006{SG{amet/em{pc=0,pri=30000}}}}}<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:54.0pt;text-indent:-18.0pt">
<span style="font-size:12.0pt;font-family:"Times New Roman","serif""> action:MSAN has to start generating 1 metering pulse each 30s fortermination TEL1102006<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Frame56:   C=70{MF=TEL1102006{SG{amet/em{KA,pc=0,pri=60000}}}}}<o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman","serif"">action:  As the KA flag is set,  the current interval of 30sproceeds must proceed until it expires.
<br>
<b>Then MG should behaviour A or B?<br>
A. When current ongoing interval of 30s expires (SG frame-51 ends) then the interval switches to 60s (SG of frame-56 becomes active) for termination TEL1102006<br>
<br>
follow standard description?<br>
Signals present inthe replacement descriptor and containing the KeepActive flag shall becontinued if they are currently playing and have not already completed</b><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">                  B. keeping 30s expires,not switch to 60s<br>
                  follow standard description?  <br>
                  If the replacement descriptor contains asequential signal list <br>
                  with the same identifier as the existing descriptor,then</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
                  •           the signal type and sequence of signals in the sequential signal list
<br>
                               in thereplacement descriptor shall be ignored<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">---end---<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Courier New"">><((((º>.¸¸.·´¯`·.¸ ><((((º>.·´¯`·...¸><((((º>.·´¯`·...¸><((((º><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">=====================================================================<br>
Simão Ferraz de Campos Neto             Counsellor, ITU-T SG 16<br>
International Telecommunication Union   Tel:    +41-22-730-6805<br>
Place des Nations                       Fax:    +41-22-730-5853<br>
Geneva CH1211 - Switzerland             E-mail: simao.campos@itu.int<br>
On the web: www.itu.int/ITU-T/studygroups/com16<br>
=====================================================================<br>
  ***** Practice random kindness and senseless acts of beauty *****<br>
=====================================================================</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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