<div dir="ltr">The 200 comes relatively quickly and the CM sends the ACK back quickly.  It's only the 487 that is delayed and not all the time.  The time frame in the console logs matches the CM traces so it doesn't look like any funny business on the network.<div><br></div><div>This one is a head scratcher for sure.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 30, 2015 at 3:08 PM, Daniel Pagan <span dir="ltr"><<a href="mailto:dpagan@fidelus.com" target="_blank">dpagan@fidelus.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#404040">Interesting… Out of curiosity, there should first be a CANCEL to the IP phones where the call wasn’t answered. The phones should then 200 that CANCEL request,
 and then send the 487 final response to the original INVITE for the call. Do you see the 487 final response six seconds
<i>after</i> the CANCEL/200 exchange? I ask only because this should help you determine where the delay is coming from - the phone or CUCM.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#404040">- Dan<u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> cisco-voip [mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Erick Wellnitz<br>
<b>Sent:</b> Wednesday, September 30, 2015 3:51 PM<br>
<b>To:</b> Lelio Fulgenzi <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>><br>
<b>Cc:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] strange shared line behavior on 88XX phones<u></u><u></u></span></p>
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<p class="MsoNormal">Finally had the behavior repeat.<u></u><u></u></p>
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<p class="MsoNormal">Found in the console logs and the CM traces that a couple of the phones are, for some reason, delaying their 487 - Request Cancelled response for up to 6 seconds from when the call is answered.<u></u><u></u></p>
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<p class="MsoNormal">Sent to TAC to see what they have to say.<u></u><u></u></p>
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<p class="MsoNormal">On Wed, Sep 30, 2015 at 11:09 AM, Lelio Fulgenzi <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">turns out it is written.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmsys/accm-712-cm/a03dn.html#wp1100362" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmsys/accm-712-cm/a03dn.html#wp1100362</a><u></u><u></u></span></p>
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<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Shared Line Restrictions<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">The following restrictions apply to shared lines:<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><snip><br>
•Do not configure shared-line appearances on the primary lines of the phones; for example, if two phones have a shared-line appearance, only one of the phones should have the primary line configured as shared (the other phone should have the secondary line
 configured as shared).<br>
<snip><u></u><u></u></span></p>
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<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">In version 10 it becomes a suggestion though. Interesting.<u></u><u></u></span></p>
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<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/10_0_1/ccmsys/CUCM_BK_SE5FCFB6_00_cucm-system-guide-100/CUCM_BK_SE5FCFB6_00_cucm-system-guide-100_chapter_010001.html#CUCM_RF_S05975F9_00" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/10_0_1/ccmsys/CUCM_BK_SE5FCFB6_00_cucm-system-guide-100/CUCM_BK_SE5FCFB6_00_cucm-system-guide-100_chapter_010001.html#CUCM_RF_S05975F9_00</a><u></u><u></u></span></p>
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Shared Line Suggestions<br>
Do not configure shared line appearances on primary lines as certain feature interactions are impacted. Settings of the primary line are applicable to the shared line. For example: if two phones have a shared-line appearance, only one phone should have the
 primary line configured as shared to avoid unexplained post configuration behavior.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst, Network Infrastructure<br>
Computing and Communications Services (CCS)<br>
University of Guelph<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><a href="tel:519%E2%80%90824%E2%80%904120%20Ext%2056354" target="_blank">519<span style="font-family:"Cambria Math",serif">‐</span>824<span style="font-family:"Cambria Math",serif">‐</span>4120
 Ext 56354</a><br>
<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a><br>
<a href="http://www.uoguelph.ca/ccs" target="_blank">www.uoguelph.ca/ccs</a><br>
Room 037, Animal Science and Nutrition Building<br>
Guelph, Ontario, N1G 2W1<u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica",sans-serif;color:black">From:
</span></b><span style="font-family:"Helvetica",sans-serif;color:black">"Erick Wellnitz" <<a href="mailto:ewellnitzvoip@gmail.com" target="_blank">ewellnitzvoip@gmail.com</a>><br>
<b>To: </b>"Lelio Fulgenzi" <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>><br>
<b>Cc: </b><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Sent: </b>Wednesday, September 30, 2015 12:20:51 PM<br>
<b>Subject: </b>Re: [cisco-voip] strange shared line behavior on 88XX phones<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">It is on a fair number of them.  They didn't have the issue on 8.6.2 with the same firmware.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">We're waiting on the next occurrence to gather traces.  <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">On Wed, Sep 30, 2015 at 10:04 AM, Lelio Fulgenzi <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>> wrote:<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">I recall there being an (un)written rule where shared lines should not be the primary line. It could cause issues.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Are the shared lines the first DN on the phone?<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Lelio<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst, Network Infrastructure<br>
Computing and Communications Services (CCS)<br>
University of Guelph<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><a href="tel:519%E2%80%90824%E2%80%904120%20Ext%2056354" target="_blank">519<span style="font-family:"Cambria Math",serif">‐</span>824<span style="font-family:"Cambria Math",serif">‐</span>4120
 Ext 56354</a><br>
<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a><br>
<a href="http://www.uoguelph.ca/ccs" target="_blank">www.uoguelph.ca/ccs</a><br>
Room 037, Animal Science and Nutrition Building<br>
Guelph, Ontario, N1G 2W1<u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica",sans-serif;color:black">From:
</span></b><span style="font-family:"Helvetica",sans-serif;color:black">"Erick Wellnitz" <<a href="mailto:ewellnitzvoip@gmail.com" target="_blank">ewellnitzvoip@gmail.com</a>><br>
<b>To: </b><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Sent: </b>Wednesday, September 30, 2015 12:00:20 PM<br>
<b>Subject: </b>[cisco-voip] strange shared line behavior on 88XX phones<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">anyone seen issues with the 88xx phones on firmware 10.3(1) and CUCM 10.5.2 SU1 where the line starts ringing on some phones right away and some start ringing up to 15 seconds
 later.  Some also experience ringing after the call is answered up to 15 seconds after answered.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">88xx phones are the only ones exhibiting this behavior.  Another consideration is that this shared line is on 17 devices.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">Thanks for any insight!<u></u><u></u></span></p>
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_______________________________________________<br>
cisco-voip mailing list<br>
<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><u></u><u></u></span></p>
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_______________________________________________<br>
cisco-voip mailing list<br>
<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><u></u><u></u></p>
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