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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hey Anthony – very valid points. I assumed the delayed 487 final response Erick mentioned was in reference to phones continuing to ring past the answer, and
not stopping the ringer when the call is answered elsewhere. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Based on console logs, the 487 seems to be a prerequisite to disabling the local ringer, but if the issue is a delay in *starting* the ringer, then I agree
this 487 certainly shouldn’t be applicable.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Dan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<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""> avholloway@gmail.com [mailto:avholloway@gmail.com]
<b>On Behalf Of </b>Anthony Holloway<br>
<b>Sent:</b> Wednesday, September 30, 2015 11:27 PM<br>
<b>To:</b> Erick Wellnitz<br>
<b>Cc:</b> Daniel Pagan; cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] strange shared line behavior on 88XX phones<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Having the 487 delayed would not impact when the phone starts ringing though. In fact, the phones should start ringing at the sending of the 180 back to CUCM. In Daniel's diagram that would be this one:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">cucm </span><span style="font-size:11.0pt;font-family:Wingdings;color:#404040">ß</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"> 180 </span><span style="font-size:11.0pt;font-family:Wingdings;color:#404040">ß</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"> phoneA&B&C
(one response per phone)</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So, if anything, there should be a delay in the CUCM sending of the INVITE to the delayed ringing phone(s), or the delayed ringing phone(s) should delay their 180 back to CUCM. If none of this is delayed on the wire, then I would think
it's some internal firmware bug on the phone. Have you tried an older or newer firmware? Granted, you had the same firmware on the 8.6(2), but since we're grasping for ideas, why not give it a shot?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Also, have you looked in bug search tool yet? I only found this one closely related bug, but as with all filed defects, you can never really be 100% sure.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="https://tools.cisco.com/bugsearch/bug/CSCur10651">https://tools.cisco.com/bugsearch/bug/CSCur10651</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Good luck. Also, you should be on 10.5(2)SU2a. ;) Just say'n.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Sep 30, 2015 at 4:38 PM, Erick Wellnitz <<a href="mailto:ewellnitzvoip@gmail.com" target="_blank">ewellnitzvoip@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">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.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This one is a head scratcher for sure.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Sep 30, 2015 at 3:08 PM, Daniel Pagan <<a href="mailto:dpagan@fidelus.com" target="_blank">dpagan@fidelus.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">- Dan</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Finally had the behavior repeat.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">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.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Sent to TAC to see what they have to say.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Wed, Sep 30, 2015 at 11:09 AM, Lelio Fulgenzi <<a href="mailto:lelio@uoguelph.ca" target="_blank">lelio@uoguelph.ca</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">turns out it is written.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></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</span><o:p></o:p></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:</span><o:p></o:p></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></span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
<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.</span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
<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></span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><br>
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.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Helvetica","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Helvetica","sans-serif";color:black">We're waiting on the next occurrence to gather traces. </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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:</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Are the shared lines the first DN on the phone?</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Lelio</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Helvetica","sans-serif";color:black">Thanks for any insight!</span><o:p></o:p></p>
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