[cisco-voip] CME 8.6 and 9971 out H323 Trunk to CUCM 9.1 no audio

[Jason Aarons (AM)]

CME 8.6  >>  Existing 7965s work great at this site. We added some 9971s.  If 9971s dial an extension back to Corporate CallManager across a h323 dial peer the call sets up.  You answer at corporate and after about 10 seconds hear fast busy.  The 9971 has g729r8 the dial-peer to callmanager has g729r8.  The TCS message from callmanager offers g729 and g729annexA. In CCM I have unchecked'The Wait For Far End H.245 Terminal Capability Set.

Is the problem that the Callmanager TCS isn't g729r8 ?

In debug h245asn1 on CME I see the incoming TCS show g729 and g729annexA

Based on the debugs below it appears a Transcoder  is required for an audio call to callmanager?  I'm not clear why CME can't figure out it's G729/G711 only call from the dial-peer.  Why is it invoking a XCODE in the debug voip ccapi inout?

I can't upgrade at this time and am looking for technical reason why this is failing :)

Show dial-peer voice 40001  <<<<<<<<< this is the 9971 virtual dial-peer
        voice-class codec = 1
        codec = g729r8,   payload size =  20 bytes,
        video codec = None
        voice class codec = 1

show run | begin voice service voip
voice service voip
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
h323
sip
  bind control source-interface Vlan88
  bind media source-interface Vlan88
  registrar server expires max 1200 min 300
  !
dial-peer voice 3000 voip
destination-pattern 3...$  <<<<phone back at corporate
session target ipv4:10.82.65.11
codec g729
dtmf-relay h245-alphanumeric
no vad

show dialplan number 3001 | begin Successful Calls
        Successful Calls = 13, Failed Calls = 28, Incomplete Calls = 0
        Accepted Calls = 0, Refused Calls = 0,
        Last Disconnect Cause is "2F  ",
        Last Disconnect Text is "no resource (47)", <<<<<<<<failed call
        Last Setup Time = 7461971.
        Last Disconnect Time = 7463158.

Show sccp <<<<<<< Transcoder on router registered to CME
TCP Link Status: CONNECTED, Profile Identifier: 2
Reported Max Streams: 6, Reported Max OOS Streams: 0
Supported Codec: g729r8, Maximum Packetization Period: 60
Supported Codec: g711ulaw, Maximum Packetization Period: 30
Supported Codec: g711alaw, Maximum Packetization Period: 30
Supported Codec: g729ar8, Maximum Packetization Period: 60
Supported Codec: g729abr8, Maximum Packetization Period: 60
Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30
Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30
Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30


Debug voip ccapi inout

   Destination Interface=0x0, Destination Call Id=-1, Source Call Id=3012,
   Caps(Codec=0xC, Fax Rate=0x2, Vad=0x2,
   Modem=0x0, Codec Bytes=20, Signal Type=2)
.Apr 25 17:01:08.098: //3012/069E7F2A8303/CCAPI/cc_api_caps_ind:
   Caps(Playout Mode=1, Playout Initial=60(ms), Playout Min=40(ms),
   Playout Max=1000(ms), Fax Nom=300(ms))
.Apr 25 17:01:08.098: //3011/069E7F2A8303/CCAPI/cc_api_caps_ack:
   Destination Interface=0x0, Destination Call Id=-1, Source Call Id=3011,
   Caps(Codec=g729r8(0x4), Fax Rate=FAX_RATE_VOICE(0x2), Vad=ON(0x2),
   Modem=OFF(0x0), Codec Bytes=20, Signal Type=2, Seq Num Start=1)
.Apr 25 17:01:08.098: //3012/069E7F2A8303/CCAPI/cc_api_call_connected:
   Interface=0x4A0B5790, Data Bitmask=0x1, Progress Indication=NULL(0),
   Connection Handle=0
.Apr 25 17:01:08.098: //3012/069E7F2A8303/CCAPI/cc_api_call_connected:
   Call Entry(Connected=TRUE, Responsed=TRUE, Retry Count=0)
.Apr 25 17:01:08.098: //3011/069E7F2A8303/CCAPI/ccConferenceCreate:
   (confID=0x4C0E49BC, callID1=0xBC3, gcid=69FB77A-CBD211E3-8306F106-9323311A, tag=0x0)
.Apr 25 17:01:08.098: //3012/069E7F2A8303/CCAPI/ccConferenceCreate:
   (confID=0x4C0E49BC, callID2=0xBC4, gcid=69FB77A-CBD211E3-8306F106-9323311A, tag=0x0)
.Apr 25 17:01:08.098: //3011/069E7F2A8303/CCAPI/ccConferenceCreate:
   Conference Id=0x4C0E49BC, Call Id1=3011, Call Id2=3012, Tag=0x0
.Apr 25 17:01:08.102: //3011/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:

.Apr 25 17:01:08.102: cc_api_get_xcode_stream : 4702
.Apr 25 17:01:08.102: //3011/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:

.Apr 25 17:01:08.102: cc_api_get_xcode_stream : 4702
.Apr 25 17:01:08.102: //3011/069E7F2A8303/CCAPI/cc_api_bridge_done:
   Conference Id=0x36, Source Interface=0x4ACC2474, Source Call Id=3011,
   Destination Call Id=3012, Disposition=0x0, Tag=0x0
.Apr 25 17:01:08.102: //3012/xxxxxxxxxxxx/CCAPI/cc_api_get_xcode_stream:


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