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<div dir="ltr"><font face="Tahoma" color="#000000" size="2">Channel 15 is your D Channel on a E1, it's used for signaling, not bearer traffic. Sounds like in CCMAdmin or the gateway T1 was selected vs E1.</font></div>
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<font face="Tahoma" size="2"><b>From:</b> Robert Schuknecht [rschuknecht@gmx.de]<br>
<b>Sent:</b> Thursday, April 29, 2010 3:19 PM<br>
<b>To:</b> Jason Aarons (US); 'cisco-voip voyp list'<br>
<b>Subject:</b> AW: [cisco-voip] MGCP PRI: Cause i = 0x80AC - Requested circuit/channel not available on Incoming Calls<br>
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<p class="MsoNormal"><span style="COLOR: #1f497d">Jason,</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d"></span> </p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: #1f497d">yes ist an E1, but show isdn service is not useful because its an MGCP GW. Right now, its not possible to do a loopback test.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: #1f497d"></span> </p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: #1f497d">/Robert</span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: #1f497d"></span> </p>
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<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">Von:</span></b><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Jason Aarons (US) [mailto:jason.aarons@us.didata.com]
<br>
<b>Gesendet:</b> Donnerstag, 29. April 2010 17:31<br>
<b>An:</b> Robert Schuknecht; 'cisco-voip voyp list'<br>
<b>Betreff:</b> RE: [cisco-voip] MGCP PRI: Cause i = 0x80AC - Requested circuit/channel not available on Incoming Calls</span></p>
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<p class="MsoNormal"><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Tahoma','sans-serif'">Since it's channel 15 is it a E1 ?</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"></span></p>
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<p class="MsoNormal"><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">show isdn service</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"></span></p>
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<p class="MsoNormal"><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">Put a loopback plug toward you is that channel good/in service ?</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"></span></p>
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<p class="MsoNormal" style="MARGIN-BOTTOM: 12pt"><b><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</span></b><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> cisco-voip-bounces@puck.nether.net [cisco-voip-bounces@puck.nether.net]
On Behalf Of Robert Schuknecht [rschuknecht@gmx.de]<br>
<b>Sent:</b> Thursday, April 29, 2010 11:27 AM<br>
<b>To:</b> 'cisco-voip voyp list'<br>
<b>Subject:</b> [cisco-voip] MGCP PRI: Cause i = 0x80AC - Requested circuit/channel not available on Incoming Calls</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"></span></p>
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<p class="MsoNormal">Hi,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">i am facing problems with incoming calls on a MGCP PRI Gateway. Some of the incoming calls get disconnected with cause code: Cause i = 0x80AC - Requested circuit/channel not available. I noticed that this happens only
on one specific port and B-Channel.</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">Sample output of debug isdn q931:</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">Apr 29 14:45:25.870 cest: ISDN Se0/0/1:15 Q931: RX <- SETUP pd = 8 callref = 0x0071
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Sending Complete </span></p>
<p class="MsoNormal"><span lang="EN-US"> Bearer Capability i = 0x8090A3
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Standard = CCITT
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Transfer Capability = Speech
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Transfer Mode = Circuit
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Transfer Rate = 64 kbit/s
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Channel ID i = 0xA9838E </span>
</p>
<p class="MsoNormal"><span lang="EN-US"> Exclusive, Channel 14
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Calling Party Number i = 0x2183, '160XXXXXXX'
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Plan:ISDN, Type:National
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Called Party Number i = 0xC1, '25XXXXXX'
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Plan:ISDN, Type:Subscriber(local)
</span></p>
<p class="MsoNormal"><span lang="EN-US"> High Layer Compat i = 0x9181</span></p>
<p class="MsoNormal"><span lang="EN-US">Apr 29 14:45:25.870 cest: ISDN Se0/0/1:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x8071
</span></p>
<p class="MsoNormal"><span lang="EN-US"> Cause i = 0x80AC - Requested circuit/channel not available</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">At nearly the same time I see the following output in CCM Trace:</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">CCM|In Message -- PriEuroSetupMsg -- Protocol= PriEuroProtocol|<CLID::StandAloneCluster><NID::10.236.3.51><LVL::Significant><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Ie - Ni2BearerCapabilityIe -- IEData= 04 03 80 90 A3 |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Ie - Q931ChannelIdIe -- IEData= 18 03 A9 83 8E |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040> </span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Ie - Q931CallingPartyIe -- IEData= 6C 0C 21 83 31 36 30 3X 3X 3X 3X 3X 3X 3X |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Ie - Q931CalledPartyIe -- IEData= 70 09 C1 32 35 3X 3X 3X 3X 3X 3X |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Ie - Q931HighLayerCompatibilityIe -- IEData= 7D 02 91 81 |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|MMan_Id= 0. (iep= 0 dsl= 8001 sapi= 0 ces= 0 IpAddr=403ec0a IpPort=2427)|<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|IsdnMsgData1= 08 02 00 71 05 A1 04 03 80 90 A3 18 03 A9 83 8E 6C 0C 21 83 31 36 30 38 34 39 33 32 36 31 70 09 C1 32 35 35 30 31 34 30 31 7D 02 91 81 |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|MGCPpn9d - S0/SU0/DS1-1@ostbogw01.XXXXXXXXX.local - Collision Detected On PriEuro Interface callphase= 9|<CLID::StandAloneCluster><NID::10.236.3.51><CT::2,100,133,1.358133><IP::10.236.3.4><DEV::><LVL::State Transition><MASK::2000>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Entering default,restarting channel|<CLID::StandAloneCluster><NID::10.236.3.51><CT::2,100,133,1.358133><IP::10.236.3.4><DEV::><LVL::State Transition><MASK::2000>
</span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|MGCPpn9d::conflictingChannelHandler - Don't Restart this channel since it is marked OOS_NE under service parameter:S0/SU0/DS1-1@ostbogw01. XXXXXXXXX.local=00000000000000000000000000000000 or due to MGCP gateway hardware
failure|<CLID::StandAloneCluster><NID::10.236.3.51><CT::2,100,133,1.358133><IP::10.236.3.4><DEV::><LVL::State Transition><MASK::2000></span></p>
<p class="MsoNormal"><span lang="EN-US">CCM| |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State Transition><MASK::0040> </span></p>
<p class="MsoNormal"><span lang="EN-US">CCM|Out Message -- PriReleaseCompleteMsg -- Protocol= PriEuroProtocol|<CLID::StandAloneCluster><NID::10.236.3.51><LVL::Significant><MASK::0040>
</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">I checked the above mentioned CCM Service Parameter and It is not checked.
</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">Does anybody know how to track down the root cause of this issue?
</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">Callmanager is running 7.0.2-20000-5</span></p>
<p class="MsoNormal"><span lang="EN-US">Gateway is running 12.4(22)T4 </span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
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