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<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A">Hi Brian,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A">If this is the case, so how this can be fixed ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A">Also if this is what makes the call fail, how these calls are working between the 7821 phones on the same LAN (both HQ and Branch)? Also it’s working from branch
7821 to HQ 7821, it just not working from HQ 7821 to branch 7821.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana",sans-serif;color:#1F497D"> </span><span style="font-size:11.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-size:11.0pt;font-family:"Verdana Bold";color:#383E4C">Ahmed Abd EL-Rahman<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Senior Network Engineer - KSA</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#44546A"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A"><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"> bmeade90@gmail.com [mailto:bmeade90@gmail.com]
<b>On Behalf Of </b>Brian Meade<br>
<b>Sent:</b> Wednesday, October 28, 2015 6:43 PM<br>
<b>To:</b> Ahmed Abd EL-Rahman <Ahmed.Rahman@bmbgroup.com><br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] 7821 phones issue<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">In the non-working Invite, CME is sending an Authorization header that doesn't exist in the working case:<o:p></o:p></p>
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<p class="MsoNormal">Authorization: Digest username="204",realm="all",uri="<a href="mailto:sip%3A201@10.10.3.2">sip:201@10.10.3.2</a>;user=phone",response="13d0e80e52a41bc8642290d5744ca66d",nonce="9D2BD5F30012BAFA",cnonce="570b883d",qop=auth,nc=00000003,algorithm=MD5<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 is forwarded from the incoming Invite from the 7821. I'm guessing you have some sort of header-passthrough configured here resulting in the problem occurring.<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"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Oct 28, 2015 at 8:07 AM, Ahmed Abd EL-Rahman <<a href="mailto:Ahmed.Rahman@bmbgroup.com" target="_blank">Ahmed.Rahman@bmbgroup.com</a>> wrote:<o:p></o:p></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="150ae594d818b142__MailEndCompose"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#44546A">I know that there is a lack of a response to the SIP invite
message which is being sent from HQ 7821 phone to the branch 7821 phone during the call setup which may point to a network connectivity (or blocking) in the middle, but can anyone give me a reasonable answer for why the same messages are flowing normally when
the 8831 HQ phone initiate the call to the 7821 branch phone ?? if something blocked it will be blocked for all.</span></a><o:p></o:p></p>
<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:#44546A"> </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:#44546A"> </span><o:p></o:p></p>
<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:#44546A"> </span><o:p></o:p></p>
<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:#383E4C">Best Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:1.0pt"><span style="font-family:"Verdana Bold";color:#383E4C">Ahmed Abd EL-Rahman</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:1.0pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Senior Network Engineer - KSA</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:#44546A"> </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>From:</b> 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>Ahmed Abd EL-Rahman<br>
<b>Sent:</b> Wednesday, October 28, 2015 3:02 PM<br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> [cisco-voip] 7821 phones issue<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>
<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">Hi Gents,</span><o:p></o:p></p>
<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>
<p style="margin-bottom:7.5pt;background:white"><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">I have a setup of CME 10.5 on 2911 ISR in the HQ, then I have a DMVPN to the branch site.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">I have the following phone types:</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- 7945 skinny based phone.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- 8831 SIP conference station.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">-7821 SIP phones.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- 7861 SIP phone.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">the setup is working fine in the HQ (on the same LAN) but when i took some of the 7821 phones and placed them in the branch site the following happens:</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- They are able to register to the CME in the HQ.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- Branch phones can call all HQ phones and can also call each others’ in the branch normally.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- The issue is that <strong><u><span style="font-family:"Arial",sans-serif">HQ</span></u></strong> 7821 & 7861 phones
<b><u>cann<strong><span style="font-family:"Arial",sans-serif">ot</span></strong></u></b> call 7821 <strong><u><span style="font-family:"Arial",sans-serif">branch</span></u></strong> phones (no ring back is heard then the call disconnects after around 1 minute),
despite the fact that <strong><u><span style="font-family:"Arial",sans-serif">HQ</span></u></strong> 7945 and 8831 (which is also SIP based) can call
<strong><u><span style="font-family:"Arial",sans-serif">Branch</span></u></strong> 7821 phones normally with no issues ???</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">I have upgraded the router IOS to the latest safe harbor version 15.4(3)M4 and upgraded the 7821 firmware to the latest version 10.3.1 with no success.</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">I have enabled the debug voice ccapi inout and collected the output from 2 calls, 1 is from HQ 8831 SIP phone to a branch 7821 phone which was successful and the other from HQ 7821
phone to a branch 7821 phone which was unsuccessful and i compared the two outputs line by line and discovered that in the successful call the alerting singal (ring back) is received normally, but in the unsuccessful one it's not received and a disconnect
signal is received as shown below:</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<strong><u><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- successful call:</span></u></strong><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">*Oct 25 10:43:55.258: cc_api_get_xcode_stream : 4982<br>
*Oct 25 10:43:55.258: //678/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:<br>
<br>
*Oct 25 10:43:55.258: cc_api_get_xcode_stream : 4982<br>
*Oct 25 10:43:55.258: //678/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:<br>
<br>
*Oct 25 10:43:55.258: cc_api_get_xcode_stream : 4982<br>
*Oct 25 10:43:55.258: //678/1F64117E85C0/CCAPI/cc_api_call_proceeding:<br>
Interface=0x3E81FC6C, Progress Indication=NULL(0)<br>
</span><strong><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:red">*Oct 25 10:43:55.466: //678/1F64117E85C0/CCAPI/cc_api_call_alert:</span></strong><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:red"><br>
<strong><span style="font-family:"Arial",sans-serif"> Interface=0x3E81FC6C, Progress Indication=NULL(0), Signal Indication=SIGNAL RINGBACK(1)</span></strong></span></b><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
*Oct 25 10:43:55.466: //678/1F64117E85C0/CCAPI/cc_api_call_alert:<br>
Call Entry(Retry Count=0, Responsed=TRUE)<br>
*Oct 25 10:43:55.470: //677/1F64117E85C0/CCAPI/ccCallAlert:<br>
Progress Indication=NULL(0), Signal Indication=SIGNAL RINGBACK(1)<br>
*Oct 25 10:43:55.470: //677/1F64117E85C0/CCAPI/ccCallAlert:<br>
Call Entry(Responsed=TRUE, Alert Sent=TRUE)<br>
*Oct 25 10:43:55.470: //677/1F64117E85C0/CCAPI/ccCallNotify:<br>
Data Bitmask=0x7, Call Id=677</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<strong><u><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">- unsuccessful call:</span></u></strong><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333">*Oct 25 08:18:21.359: cc_api_get_xcode_stream : 4982<br>
*Oct 25 08:18:21.359: //357/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:<br>
<br>
*Oct 25 08:18:21.359: cc_api_get_xcode_stream : 4982<br>
*Oct 25 08:18:21.359: //357/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:<br>
<br>
*Oct 25 08:18:21.359: cc_api_get_xcode_stream : 4982<br>
*Oct 25 08:18:21.359: //357/C9AD33DD82E1/CCAPI/cc_api_call_proceeding:<br>
Interface=0x3E81FC6C, Progress Indication=NULL(0)</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white;outline:none;text-align:start;word-spacing:0px">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
</span><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:red">*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/cc_api_call_disconnected:<br>
Cause Value=102, Interface=0x3E81FC6C, Call Id=357<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/cc_api_call_disconnected:<br>
Call Entry(Responsed=TRUE, Cause Value=102, Retry Count=0)</span><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
*Oct 25 08:19:24.863: //356/C9AD33DD82E1/CCAPI/ccCallReleaseResources:<br>
release reserved xcoding resource.<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/ccCallSetAAA_Accounting:<br>
Accounting=0, Call Id=357<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/ccCallDisconnect:<br>
Cause Value=102, Tag=0x0, Call Entry(Previous Disconnect Cause=0, Disconnect Cause=102)<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/ccCallDisconnect:<br>
Cause Value=102, Call Entry(Responsed=TRUE, Cause Value=102)<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/cc_api_call_disconnect_done:<br>
Disposition=0, Interface=0x3E81FC6C, Tag=0x0, Call Id=357,<br>
Call Entry(Disconnect Cause=102, Voice Class Cause Code=0, Retry Count=0)<br>
*Oct 25 08:19:24.863: //357/C9AD33DD82E1/CCAPI/cc_api_call_disconnect_done:<br>
Call Disconnect Event Sent<br>
*Oct 25 08:19:24.863: //-1/xxxxxxxxxxxx/CCAPI/cc_free_feature_vsa:<br>
<br>
*Oct 25 08:19:24.863: :cc_free_feature_vsa freeing 24DE2870<br>
*Oct 25 08:19:24.863: //-1/xxxxxxxxxxxx/CCAPI/cc_free_feature_vsa:<br>
<br>
*Oct 25 08:19:24.863: vsacount in free is 1<br>
*Oct 25 08:19:24.863: //356/C9AD33DD82E1/CCAPI/ccCallDisconnect:<br>
Cause Value=102, Tag=0x0, Call Entry(Previous Disconnect Cause=0, Disconnect Cause=0)<br>
*Oct 25 08:19:24.863: //356/C9AD33DD82E1/CCAPI/ccCallDisconnect:<br>
Cause Value=102, Call Entry(Responsed=TRUE, Cause Value=102)<br>
*Oct 25 08:19:24.871: //356/C9AD33DD82E1/CCAPI/cc_api_call_disconnect_done:<br>
Disposition=0, Interface=0x3E81FC6C, Tag=0x0, Call Id=356,<br>
Call Entry(Disconnect Cause=102, Voice Class Cause Code=0, Retry Count=0)<br>
*Oct 25 08:19:24.871: //356/C9AD33DD82E1/CCAPI/cc_api_call_disconnect_done:<br>
Call Disconnect Event Sent<br>
*Oct 25 08:19:24.871: //-1/xxxxxxxxxxxx/CCAPI/cc_free_feature_vsa:<br>
<br>
*Oct 25 08:19:24.871: :cc_free_feature_vsa freeing 24DE25D0<br>
*Oct 25 08:19:24.871: //-1/xxxxxxxxxxxx/CCAPI/cc_free_feature_vsa:<br>
</span><o:p></o:p></p>
<p style="margin-bottom:7.5pt;background:white"><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
<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">Also please find the debug ccsip message output for both successful call and unsuccessful call attached.</span><o:p></o:p></p>
<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>
<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">So any ideas please ?</span><o:p></o:p></p>
<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>
<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>
<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>
<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>
<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:#383E4C">Best Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:1.0pt"><span style="font-family:"Verdana Bold";color:#383E4C">Ahmed Abd EL-Rahman</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:1.0pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Senior Network Engineer - KSA</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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