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<p class=MsoNormal><span style='color:#1F497D'>Jason,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></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.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>/Robert<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span
style='font-size:10.0pt;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<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Since it's channel 15 is it a E1 ?</span><span style='font-size:
12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>show
isdn service</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Put
a loopback plug toward you is that channel good/in service ?</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
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:
12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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<p class=MsoNormal>Hi,<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Sample output of debug isdn q931:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Sending Complete </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Bearer Capability i = 0x8090A3 </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Standard = CCITT </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Transfer Capability = Speech </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Transfer Mode = Circuit </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Transfer Rate = 64 kbit/s </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Channel ID i = 0xA9838E </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Exclusive, Channel 14 </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Calling Party Number i = 0x2183, '160XXXXXXX' </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Plan:ISDN, Type:National </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Called Party Number i = 0xC1, '25XXXXXX' </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Plan:ISDN, Type:Subscriber(local) </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
High Layer Compat i = 0x9181</span><o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>
Cause i = 0x80AC - Requested circuit/channel not available</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>At nearly the same time I see the following
output in CCM Trace:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>CCM| |<CLID::StandAloneCluster><NID::10.236.3.51><LVL::State
Transition><MASK::0040>
</span><o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>I checked the above mentioned CCM Service
Parameter and It is not checked. </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Does anybody know how to track down the
root cause of this issue? </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Callmanager is running 7.0.2-20000-5</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Gateway is running
12.4(22)T4
</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
</div>
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style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=1 width="100%" align=center>
</span></div>
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