<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">In that case you need to ask the PBX why it isn't sending the Connect_Ack for the failing calls. <div><br></div><div>Regarding CSCti59648 I'd expect that if you were hitting that you'd see the Connect_Ack in the q931 debug on the router but it would not be backhauled to CUCM properly so you wouldn't see the message in ccm traces.</div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">-Ryan</span>
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<br><div><div>On Dec 20, 2012, at 3:31 PM, Ahmed Elnagar <<a href="mailto:ahmed_elnagar@hotmail.com">ahmed_elnagar@hotmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div lang="EN-US" link="blue" vlink="purple" style="font-family: 'Lucida Grande'; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Some of the calls works successfully Ryan “randomly” and I see in the gateway debug the connect ACK received normally.<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Regards,<o:p></o:p></span></b></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Ahmed Elnagar<span class="Apple-converted-space"> </span></span></b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">|<b><span class="Apple-converted-space"> </span>Unified Communication Team Leader<span class="Apple-converted-space"> </span></b>|<span class="Apple-converted-space"> </span><b>CCIE #24697, Voice<o:p></o:p></b></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><image001.jpg></span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p></o:p></span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Ryan Ratliff [mailto:rratliff@<a href="http://cisco.com">cisco.com</a>]<span class="Apple-converted-space"> </span><br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, December 20, 2012 10:26 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Ahmed Elnagar<br><b>Cc:</b><span class="Apple-converted-space"> </span>'Carlo Calabrese'; 'VOIP Group '<br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [cisco-voip]RE: Recovery on timer expiry QSIG<o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Whether the connect_ack is required is going to be a byproduct of the PRI protocol selection. Make sure this matches between the CUCM config and the PBX and you should be good to go. <o:p></o:p></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; ">-Ryan</span></span><o:p></o:p></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">On Dec 20, 2012, at 2:59 PM, Ahmed Elnagar <<a href="mailto:ahmed_elnagar@hotmail.com" style="color: purple; text-decoration: underline; ">ahmed_elnagar@hotmail.com</a>> wrote:<o:p></o:p></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I found the issue “but not solved yet” the timer involved is the T313 which by default is 4 secs and waits to have a connect ACK from the PBX side in order not to disconnect the call “although the call works very normally for the first 4 secs”…the PBX is not sending the connect ACK before the 4 secs and that is why the timer expires and its default behavior is to disconnect the call.</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I have PBX people working on this from their side, but my question is can I disable this timer or at least disable its expiry action “send call disconnect” until they solve this problem from PBX side?</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Regards,</span></b><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Ahmed Elnagar<span class="apple-converted-space"> </span></span></b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">|<span class="apple-converted-space"><b> </b></span><b>Unified Communication Team Leader<span class="apple-converted-space"> </span></b>|<span class="apple-converted-space"> </span><b>CCIE #24697, Voice</b></span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><image001.jpg></span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span></span><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">cisco-voip-bounces@puck.nether.net</span></a><span class="apple-converted-space"> </span>[mailto:cisco-<a href="mailto:voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">voip-bounces@puck.nether.net</span></a>]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>Ryan Ratliff<br><b>Sent:</b><span class="apple-converted-space"> </span>Thursday, December 20, 2012 4:44 PM<br><b>To:</b><span class="apple-converted-space"> </span>Carlo Calabrese<br><b>Cc:</b><span class="apple-converted-space"> </span>'VOIP Group '<br><b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] [Bulk] RE: Recovery on timer expiry QSIG</span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">T310 is used between call proceeding and alerting/progress/connect. Since you are the one sending the call proceeding it's the other side that would trip that timer. In this case you are the one disconnecting the call so you are expecting some message from the other side that you aren't getting.<o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Since you are using MGCP check ccm traces for the call disconnect to see what exact timer is getting tripped. That will tell you what to adjust.<o:p></o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; ">-Ryan</span></span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">On Dec 20, 2012, at 8:37 AM, Carlo Calabrese <<a href="mailto:carlo_calabrese2006@yahoo.com" style="color: purple; text-decoration: underline; "><span style="color: purple; ">carlo_calabrese2006@yahoo.com</span></a>> wrote:<o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I think the default is 10000. I did a cut and paste from my router. I use a 2811.</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span></span><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">Ahmed Elnagar [mailto:ahmed_elnagar@<a href="http://hotmail.com/" style="color: purple; text-decoration: underline; "><span style="color: purple; ">hotmail.com</span></a>]<span class="apple-converted-space"> </span><br><b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, December 19, 2012 11:30 PM<br><b>To:</b><span class="apple-converted-space"> </span>'Carlo Calabrese'; 'VOIP Group '<br><b>Subject:</b><span class="apple-converted-space"> </span>[Bulk] RE: [cisco-voip] Recovery on timer expiry QSIG</span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Thanks a lot, but I think 120000 is the default for this timer, how do you have it showing in the configuration?</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Regards,</span></b><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Ahmed Elnagar<span class="apple-converted-space"> </span></span></b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">|<span class="apple-converted-space"><b> </b></span><b>Unified Communication Team Leader<span class="apple-converted-space"> </span></b>|<span class="apple-converted-space"> </span><b>CCIE #24697, Voice</b></span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><image001.jpg></span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span></span><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">cisco-voip-bounces@puck.nether.net</span></a><span class="apple-converted-space"> </span>[<a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">mailto:cisco-voip-bounces@puck.nether.net</span></a>]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>Carlo Calabrese<br><b>Sent:</b><span class="apple-converted-space"> </span>Thursday, December 20, 2012 8:18 AM<br><b>To:</b><span class="apple-converted-space"> </span>'VOIP Group '<br><b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] Recovery on timer expiry QSIG</span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Here is what I have been using for my QSIG Connection. You will see it has the T310 timer in it.</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">int ser 0/0/0:23</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">no ip address</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">encapsulation hdlc</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn switch-type primary-qsig</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn timer T310 120000</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn protocol-emulate network</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn incoming-voice voice</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn bind-l3 ccm-manager</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn outgoing ie facility</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn outgoing ie notify-indicator</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">isdn outgoing display-ie</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">no cdp enable</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">!</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I have had it running for about 5 years with no problems.</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Carlo</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><o:p></o:p></div></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span></span><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">cisco-voip-bounces@puck.nether.net</span></a><span class="apple-converted-space"> </span>[<a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">mailto:cisco-voip-bounces@puck.nether.net</span></a>]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>Ahmed Elnagar<br><b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, December 19, 2012 2:16 PM<br><b>To:</b><span class="apple-converted-space"> </span>'VOIP Group '<br><b>Subject:</b><span class="apple-converted-space"> </span>[cisco-voip] Recovery on timer expiry QSIG</span><o:p></o:p></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Hi;</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">I have a PBX connected to CUCM using MGCP QSIG, some random calls “only from PBX to IP Phones” is dropped after 4 or 5 seconds of the start of call to be connected “both parties hear each other”.</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">In debug isdn q931 I got the below</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:53.820: ISDN Se1/0:15 Q931: RX <- SETUP pd = 8 callref = 0x026D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Sending Complete</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Bearer Capability i = 0x8090A3</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Standard = CCITT</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Transfer Capability = Speech </span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Transfer Mode = Circuit</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Transfer Rate = 64 kbit/s</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Channel ID i = 0xA18382</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Preferred, Channel 2</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA068001008201008B0100A1100201010201553008820301B850860101</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA068001008201008B0100A117020102020100800F49545353204D656574696E67205220</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Progress Ind i = 0x8183 - Origination address is non-ISDN </span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Calling Party Number i = 0x0181, '55555'</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Plan:ISDN, Type:Unknown</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Called Party Number i = 0xC9, '66666'</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Plan:Private, Type:Subscriber(local)</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> User-User i = 0x00FE, 'U', 0x0100, 'Y', 0x0100B00C07, 'I', 0x81, '55555', 0x0F11828C82, 'Name01 ', 0x7F030F81000D05, 'I', 0x81, '30', 0xF2900E10818588, 'Name02'</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Shift to Codeset 4</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Codeset 4 IE 0x31 i = 0x80</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:53.828: ISDN Se1/0:15 Q931: TX -> CALL_PROC pd = 8 callref = 0x826D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Channel ID i = 0xA98382</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Exclusive, Channel 2</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:53.828: ISDN Se1/0:15 Q931: TX -> ALERTING pd = 8 callref = 0x826D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA06800100820100A117020101020101800F2A596F6E61732042656C6163686577</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Progress Ind i = 0x8088 - In-band info or appropriate now available</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:53.828: ISDN Se1/0:15 Q931: TX -> FACILITY pd = 8 callref = 0x826D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA068001008201008B0100A115020101020114300D0A01000A010280053333303332</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:55.444: ISDN Se1/0:15 Q931: TX -> CONNECT pd = 8 callref = 0x826D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA068001008201008B0100A123020101020116301B0101FFA0168014596F6E61732042656C61636865772D3333303332</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Facility i = 0x9FAA06800100820100A11C0201020201028014596F6E61732042656C61636865772D3333303332</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> Connected Number i = 0x0081, '66666'</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Dec 19 12:01:59.456: ISDN Se1/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0x826D</span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <b><span style="color: red; ">Cause i = 0x80E6 - Recovery on timer expiry</span></b></span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span></i><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Do you think changing T310 timer will solve this or maybe it is another issue?</span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Regards,</span></b><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">Ahmed Elnagar<span class="apple-converted-space"> </span></span></b><span style="font-size: 8pt; font-family: Verdana, sans-serif; color: gray; ">|<span class="apple-converted-space"><b> </b></span><b>Unified Communication Team Leader<span class="apple-converted-space"> </span></b>|<span class="apple-converted-space"> </span><b>CCIE #24697, Voice</b></span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><image001.jpg></span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> </span><o:p></o:p></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 13.5pt; font-family: 'Lucida Grande'; ">_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net" style="color: purple; text-decoration: underline; "><span style="color: purple; ">cisco-voip@puck.nether.net</span></a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" style="color: purple; text-decoration: underline; "><span style="color: purple; ">https://puck.nether.net/mailman/listinfo/cisco-voip</span></a></span><o:p></o:p></div></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "> <o:p></o:p></div></div></div></div></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "></p></div></div></div></div><br></div></body></html>