Hi Jinto,

Forcing the CODEC still didn't work :
ZZZZZZ#show dialplan number +441970YYYYYY | incl codec
        codec = g711ulaw,   payload size =  160 bytes,
        video codec = disable
        voice class codec = `'
        codec = g711ulaw,   payload size =  160 bytes,
        video codec = disable
        voice class codec = `'

I still think it's a CODEC issue somewhere, but I can't see where from at the 
moment.

Thanks,
Hefin

2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Sent:
2021-04-19 16:03:38 local3/7  INVITE 
sip:+441970yyy...@sip.pstnhub.microsoft.com:5061;user=phone SIP/2.0
2021-04-19 16:03:38 local3/7  Via: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABB1898
2021-04-19 16:03:38 local3/7  From: "AHJ Test" 
<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=19745140-D4D
2021-04-19 16:03:38 local3/7  To: <sip:+441970yyy...@sip.pstnhub.microsoft.com>
2021-04-19 16:03:38 local3/7  Date: Mon, 19 Apr 2021 15:03:38 GMT
2021-04-19 16:03:38 local3/7  Call-ID: 
415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk<mailto:415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:38 local3/7  Supported: 
timer,resource-priority,replaces,sdp-anat
2021-04-19 16:03:38 local3/7  Min-SE:  1800
2021-04-19 16:03:38 local3/7  Cisco-Guid: 
1783596672-0000065536-0000000033-4077854636
2021-04-19 16:03:38 local3/7  User-Agent: Cisco-SIPGateway/IOS-17.3.3
2021-04-19 16:03:38 local3/7  X-MS-SBC: Cisco UBE/ISR4351/IOS-17.3.3
2021-04-19 16:03:38 local3/7  Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, 
UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
2021-04-19 16:03:38 local3/7  CSeq: 101 INVITE
2021-04-19 16:03:38 local3/7  Timestamp: 1618844618
2021-04-19 16:03:38 local3/7  Contact: 
<sip:+441970xxx...@zzzzzz.aber.ac.uk:5061;transport=tls>
2021-04-19 16:03:38 local3/7  Expires: 180
2021-04-19 16:03:38 local3/7  Allow-Events: telephone-event
2021-04-19 16:03:38 local3/7  Max-Forwards: 68
2021-04-19 16:03:38 local3/7  Session-ID: 
9b8fe95c468e5251be931226fb0c5433;remote=00000000000000000000000000000000
2021-04-19 16:03:38 local3/7  Session-Expires:  1800
2021-04-19 16:03:38 local3/7  Content-Type: application/sdp
2021-04-19 16:03:38 local3/7  Content-Disposition: session;handling=required
2021-04-19 16:03:38 local3/7  Content-Length: 474
2021-04-19 16:03:38 local3/7
2021-04-19 16:03:38 local3/7  v=0
2021-04-19 16:03:38 local3/7  o=CiscoSystemsSIP-GW-UserAgent 7229 965 IN IP4 
real.world.ip
2021-04-19 16:03:38 local3/7  s=SIP Call
2021-04-19 16:03:38 local3/7  c=IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  t=0 0
2021-04-19 16:03:38 local3/7  a=ice-lite
2021-04-19 16:03:38 local3/7  m=audio 8254 RTP/SAVP 0 101
2021-04-19 16:03:38 local3/7  c=IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  a=rtpmap:0 PCMU/8000
2021-04-19 16:03:38 local3/7  a=rtpmap:101 telephone-event/8000
2021-04-19 16:03:38 local3/7  a=fmtp:101 0-16
2021-04-19 16:03:38 local3/7  a=ptime:20
2021-04-19 16:03:38 local3/7  a=crypto:1 AES_CM_128_HMAC_SHA1_80 
inline:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
2021-04-19 16:03:38 local3/7  a=label:main-audio
2021-04-19 16:03:38 local3/7  a=label:main-audio
2021-04-19 16:03:38 local3/7  a=rtcp:8255 IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  a=ice-ufrag:6uHu
2021-04-19 16:03:38 local3/7  a=ice-pwd:k7dkGeXde8kDaudlwnBe2a
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Received:
2021-04-19 16:03:38 local3/7  SIP/2.0 100 Trying
2021-04-19 16:03:38 local3/7  FROM: "AHJ 
Test"<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=19745140-D4D
2021-04-19 16:03:38 local3/7  TO: <sip:+441970yyy...@sip.pstnhub.microsoft.com>
2021-04-19 16:03:38 local3/7  CSEQ: 101 INVITE
2021-04-19 16:03:38 local3/7  CALL-ID: 
415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk<mailto:415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:38 local3/7  VIA: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABB1898
2021-04-19 16:03:38 local3/7  CONTENT-LENGTH: 0
2021-04-19 16:03:38 local3/7  ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
2021-04-19 16:03:38 local3/7  SERVER: Microsoft.PSTNHub.SIPProxy v.2021.4.12.3 
i.EUNO.5
2021-04-19 16:03:38 local3/7  TIMESTAMP: 1618844618
2021-04-19 16:03:38 local3/7
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Received:
2021-04-19 16:03:38 local3/7  SIP/2.0 488 Not Acceptable Here
2021-04-19 16:03:38 local3/7  FROM: "AHJ 
Test"<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=19745140-D4D
2021-04-19 16:03:38 local3/7  TO: 
<sip:+441970yyy...@sip.pstnhub.microsoft.com>;tag=d87b5810f0214c26ac6b4652a93a827b
2021-04-19 16:03:38 local3/7  CSEQ: 101 INVITE
2021-04-19 16:03:38 local3/7  CALL-ID: 
415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk<mailto:415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:38 local3/7  VIA: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABB1898
2021-04-19 16:03:38 local3/7  REASON: 
Q.850;cause=79;text="74ae32a7-2905-4e13-b696-bf1123d1864b;BackToBackSessionTerminated"
2021-04-19 16:03:38 local3/7  RECORD-ROUTE: 
<sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>
2021-04-19 16:03:38 local3/7  CONTACT: 
<sip:api-du-b-euno.pstnhub.microsoft.com:443;x-i=74ae32a7-2905-4e13-b696-bf1123d1864b;x-c=df575c4f372f57ff895fbc3ba8da5f57/s/1/a4eebd8b296041bebe65027bffad60f6>
2021-04-19 16:03:38 local3/7  CONTENT-LENGTH: 0
2021-04-19 16:03:38 local3/7  ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
2021-04-19 16:03:38 local3/7  SERVER: Microsoft.PSTNHub.SIPProxy v.2021.4.12.3 
i.EUNO.5
2021-04-19 16:03:38 local3/7
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Call/sipSPICallInfo:
2021-04-19 16:03:38 local3/7  The Call Setup Information is:
2021-04-19 16:03:38 local3/7  Call Control Block (CCB) : 0x0x7FE1504E38A8
2021-04-19 16:03:38 local3/7  State of The Call        : STATE_DEAD
2021-04-19 16:03:38 local3/7  TCP Sockets Used         : YES
2021-04-19 16:03:38 local3/7  Calling Number           : +441970XXXXXX
2021-04-19 16:03:38 local3/7  Called Number            : +441970YYYYYY
2021-04-19 16:03:38 local3/7  Source IP Address (Sig  ): real.world.ip
2021-04-19 16:03:38 local3/7  Destn SIP Req Addr:Port  : 52.114.76.76:5061
2021-04-19 16:03:38 local3/7  Destn SIP Resp Addr:Port : 52.114.76.76:5061
2021-04-19 16:03:38 local3/7  Destination Name         : 
sip.pstnhub.microsoft.com
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Call/sipSPIMediaCallInfo:
2021-04-19 16:03:38 local3/7  Number of Media Streams: 1
2021-04-19 16:03:38 local3/7  Media Stream             : 1
2021-04-19 16:03:38 local3/7  Negotiated Codec         : No Codec
2021-04-19 16:03:38 local3/7  Negotiated Codec Bytes   : 0
2021-04-19 16:03:38 local3/7  Nego. Codec payload      : 255 (tx), 255 (rx)
2021-04-19 16:03:38 local3/7  Negotiated Dtmf-relay    : 0
2021-04-19 16:03:38 local3/7  Dtmf-relay Payload       : 0 (tx), 0 (rx)
2021-04-19 16:03:38 local3/7  Source IP Address (Media): real.world.ip
2021-04-19 16:03:38 local3/7  Source IP Port    (Media): 8254
2021-04-19 16:03:38 local3/7  Destn  IP Address (Media):  -
2021-04-19 16:03:38 local3/7  Destn  IP Port    (Media): 0
2021-04-19 16:03:38 local3/7  Orig Destn IP Address:Port (Media): [ - ]:0
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36227/6A4F86800000/SIP/Call/sipSPICallInfo:
2021-04-19 16:03:38 local3/7  Disconnect Cause (CC)    : 127
2021-04-19 16:03:38 local3/7  Disconnect Cause (SIP)   : 488
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Sent:
2021-04-19 16:03:38 local3/7  ACK 
sip:+441970yyy...@sip.pstnhub.microsoft.com:5061;user=phone SIP/2.0
2021-04-19 16:03:38 local3/7  Via: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABB1898
2021-04-19 16:03:38 local3/7  From: "AHJ Test" 
<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=19745140-D4D
2021-04-19 16:03:38 local3/7  To: 
<sip:+441970yyy...@sip.pstnhub.microsoft.com>;tag=d87b5810f0214c26ac6b4652a93a827b
2021-04-19 16:03:38 local3/7  Date: Mon, 19 Apr 2021 15:03:38 GMT
2021-04-19 16:03:38 local3/7  Call-ID: 
415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk<mailto:415a2ccc-a05711eb-8f58dafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:38 local3/7  Max-Forwards: 70
2021-04-19 16:03:38 local3/7  CSeq: 101 ACK
2021-04-19 16:03:38 local3/7  Allow-Events: telephone-event
2021-04-19 16:03:38 local3/7  Session-ID: 
9b8fe95c468e5251be931226fb0c5433;remote=00000000000000000000000000000000
2021-04-19 16:03:38 local3/7  Content-Length: 0
2021-04-19 16:03:38 local3/7
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36228/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Sent:
2021-04-19 16:03:38 local3/7  INVITE 
sip:+441970yyy...@sip2.pstnhub.microsoft.com:5061;user=phone SIP/2.0
2021-04-19 16:03:38 local3/7  Via: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABC1688
2021-04-19 16:03:38 local3/7  From: "AHJ Test" 
<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=197452CA-14CA
2021-04-19 16:03:38 local3/7  To: <sip:+441970yyy...@sip2.pstnhub.microsoft.com>
2021-04-19 16:03:38 local3/7  Date: Mon, 19 Apr 2021 15:03:38 GMT
2021-04-19 16:03:38 local3/7  Call-ID: 
418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk<mailto:418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:38 local3/7  Supported: 
timer,resource-priority,replaces,sdp-anat
2021-04-19 16:03:38 local3/7  Min-SE:  1800
2021-04-19 16:03:38 local3/7  Cisco-Guid: 
1783596672-0000065536-0000000033-4077854636
2021-04-19 16:03:38 local3/7  User-Agent: Cisco-SIPGateway/IOS-17.3.3
2021-04-19 16:03:38 local3/7  X-MS-SBC: Cisco UBE/ISR4351/IOS-17.3.3
2021-04-19 16:03:38 local3/7  Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, 
UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
2021-04-19 16:03:38 local3/7  CSeq: 101 INVITE
2021-04-19 16:03:38 local3/7  Timestamp: 1618844618
2021-04-19 16:03:38 local3/7  Contact: 
<sip:+441970xxx...@zzzzzz.aber.ac.uk:5061;transport=tls>
2021-04-19 16:03:38 local3/7  Expires: 180
2021-04-19 16:03:38 local3/7  Allow-Events: telephone-event
2021-04-19 16:03:38 local3/7  Max-Forwards: 68
2021-04-19 16:03:38 local3/7  Session-ID: 
9b8fe95c468e5251be931226fb0c5433;remote=00000000000000000000000000000000
2021-04-19 16:03:38 local3/7  Session-Expires:  1800
2021-04-19 16:03:38 local3/7  Content-Type: application/sdp
2021-04-19 16:03:38 local3/7  Content-Disposition: session;handling=required
2021-04-19 16:03:38 local3/7  Content-Length: 475
2021-04-19 16:03:38 local3/7
2021-04-19 16:03:38 local3/7  v=0
2021-04-19 16:03:38 local3/7  o=CiscoSystemsSIP-GW-UserAgent 1930 9136 IN IP4 
real.world.ip
2021-04-19 16:03:38 local3/7  s=SIP Call
2021-04-19 16:03:38 local3/7  c=IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  t=0 0
2021-04-19 16:03:38 local3/7  a=ice-lite
2021-04-19 16:03:38 local3/7  m=audio 8256 RTP/SAVP 0 101
2021-04-19 16:03:38 local3/7  c=IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  a=rtpmap:0 PCMU/8000
2021-04-19 16:03:38 local3/7  a=rtpmap:101 telephone-event/8000
2021-04-19 16:03:38 local3/7  a=fmtp:101 0-16
2021-04-19 16:03:38 local3/7  a=ptime:20
2021-04-19 16:03:38 local3/7  a=crypto:1 AES_CM_128_HMAC_SHA1_80 
inline:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
2021-04-19 16:03:38 local3/7  a=label:main-audio
2021-04-19 16:03:38 local3/7  a=label:main-audio
2021-04-19 16:03:38 local3/7  a=rtcp:8257 IN IP4 real.world.ip
2021-04-19 16:03:38 local3/7  a=ice-ufrag:Cwoc
2021-04-19 16:03:38 local3/7  a=ice-pwd:wQzbPpuF7WmVTssUC7Eeca
2021-04-19 16:03:38 local3/7  Apr 19 16:03:38 BST: 
//36228/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:38 local3/7  Received:
2021-04-19 16:03:39 local3/7  SIP/2.0 100 Trying
2021-04-19 16:03:39 local3/7  FROM: "AHJ 
Test"<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=197452CA-14CA
2021-04-19 16:03:39 local3/7  TO: <sip:+441970yyy...@sip2.pstnhub.microsoft.com>
2021-04-19 16:03:39 local3/7  CSEQ: 101 INVITE
2021-04-19 16:03:39 local3/7  CALL-ID: 
418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk<mailto:418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:39 local3/7  VIA: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABC1688
2021-04-19 16:03:39 local3/7  CONTENT-LENGTH: 0
2021-04-19 16:03:39 local3/7  ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
2021-04-19 16:03:39 local3/7  SERVER: Microsoft.PSTNHub.SIPProxy v.2021.4.12.3 
i.USEA.2
2021-04-19 16:03:39 local3/7  TIMESTAMP: 1618844618
2021-04-19 16:03:39 local3/7
2021-04-19 16:03:39 local3/7  Apr 19 16:03:39 BST: 
//36228/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:39 local3/7  Received:
2021-04-19 16:03:39 local3/7  SIP/2.0 488 Not Acceptable Here
2021-04-19 16:03:39 local3/7  FROM: "AHJ 
Test"<sip:+441970xxx...@zzzzzz.aber.ac.uk>;tag=197452CA-14CA
2021-04-19 16:03:39 local3/7  TO: 
<sip:+441970yyy...@sip2.pstnhub.microsoft.com>;tag=40e8da1d77ff4f69ae86a6c98f51f7fb
2021-04-19 16:03:39 local3/7  CSEQ: 101 INVITE
2021-04-19 16:03:39 local3/7  CALL-ID: 
418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk<mailto:418e348e-a05711eb-8f5adafb-244a9...@zzzzzz.aber.ac.uk>
2021-04-19 16:03:39 local3/7  VIA: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2ABC1688
2021-04-19 16:03:39 local3/7  REASON: 
Q.850;cause=79;text="3b1edb1d-b302-4a9e-a269-240b09e4861b;SdpParsingFailure"
2021-04-19 16:03:39 local3/7  RECORD-ROUTE: 
<sip:sip-du-a-us.pstnhub.microsoft.com:5061;transport=tls;lr>
2021-04-19 16:03:39 local3/7  CONTACT: 
<sip:api-du-b-usea.pstnhub.microsoft.com:443;x-i=3b1edb1d-b302-4a9e-a269-240b09e4861b;x-c=f844a73ea9565fc29a1d575bde38b82f/s/1/56a19557c623459394c1aaebdd6723cd>
2021-04-19 16:03:39 local3/7  CONTENT-LENGTH: 0
2021-04-19 16:03:39 local3/7  ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
2021-04-19 16:03:39 local3/7  SERVER: Microsoft.PSTNHub.SIPProxy v.2021.4.12.3 
i.USEA.2
2021-04-19 16:03:39 local3/7
2021-04-19 16:03:39 local3/7  Apr 19 16:03:39 BST: 
//36228/6A4F86800000/SIP/Call/sipSPICallInfo:
2021-04-19 16:03:39 local3/7  The Call Setup Information is:
2021-04-19 16:03:39 local3/7  Call Control Block (CCB) : 0x0x7FE1504E38A8
2021-04-19 16:03:39 local3/7  State of The Call        : STATE_DEAD
2021-04-19 16:03:39 local3/7  TCP Sockets Used         : YES
2021-04-19 16:03:39 local3/7  Calling Number           : +441970XXXXXX
2021-04-19 16:03:39 local3/7  Called Number            : +441970YYYYYY
2021-04-19 16:03:39 local3/7  Source IP Address (Sig  ): real.world.ip
2021-04-19 16:03:39 local3/7  Destn SIP Req Addr:Port  : 52.114.132.46:5061
2021-04-19 16:03:39 local3/7  Destn SIP Resp Addr:Port : 52.114.132.46:5061
2021-04-19 16:03:39 local3/7  Destination Name         : 
sip2.pstnhub.microsoft.com
2021-04-19 16:03:39 local3/7  Apr 19 16:03:39 BST: 
//36228/6A4F86800000/SIP/Call/sipSPIMediaCallInfo:
2021-04-19 16:03:39 local3/7  Number of Media Streams: 1
2021-04-19 16:03:39 local3/7  Media Stream             : 1
2021-04-19 16:03:39 local3/7  Negotiated Codec         : No Codec
2021-04-19 16:03:39 local3/7  Negotiated Codec Bytes   : 0
2021-04-19 16:03:39 local3/7  Nego. Codec payload      : 255 (tx), 255 (rx)
2021-04-19 16:03:39 local3/7  Negotiated Dtmf-relay    : 0
2021-04-19 16:03:39 local3/7  Dtmf-relay Payload       : 0 (tx), 0 (rx)
2021-04-19 16:03:39 local3/7  Source IP Address (Media): real.world.ip
2021-04-19 16:03:39 local3/7  Source IP Port    (Media): 8256
2021-04-19 16:03:39 local3/7  Destn  IP Address (Media):  -
2021-04-19 16:03:39 local3/7  Destn  IP Port    (Media): 0
2021-04-19 16:03:39 local3/7  Orig Destn IP Address:Port (Media): [ - ]:0
2021-04-19 16:03:39 local3/7  Apr 19 16:03:39 BST: 
//36228/6A4F86800000/SIP/Call/sipSPICallInfo:
2021-04-19 16:03:39 local3/7  Disconnect Cause (CC)    : 127
2021-04-19 16:03:39 local3/7  Disconnect Cause (SIP)   : 488
2021-04-19 16:03:39 local3/7  Apr 19 16:03:39 BST: 
//36226/6A4F86800000/SIP/Msg/ccsipDisplayMsg:
2021-04-19 16:03:39 local3/7  Sent:
2021-04-19 16:03:39 local3/7  SIP/2.0 488 Not Acceptable Media

Thanks,
Hefin

From: Jinto Alakkal <jalak...@uoguelph.ca>
Sent: 19 April 2021 15:29
To: Hefin James [ahj] (Staff) <a...@aber.ac.uk>; cisco-voip@puck.nether.net
Subject: Re: CCM<->CUBE<->MS Teams via Direct Routing

[RHYBUDD! E-BOST ALLANOL / CAUTION! EXTERNAL E-MAIL]

great, let me know how it goes.

Jinto.

________________________________
From: Hefin James [ahj] (Staff) <a...@aber.ac.uk<mailto:a...@aber.ac.uk>>
Sent: Monday, April 19, 2021 10:22 AM
To: Jinto Alakkal <jalak...@uoguelph.ca<mailto:jalak...@uoguelph.ca>>; 
cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> 
<cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>>
Subject: RE: CCM<->CUBE<->MS Teams via Direct Routing

CAUTION: This email originated from outside of the University of Guelph. Do not 
click links or open attachments unless you recognize the sender and know the 
content is safe. If in doubt, forward suspicious emails to 
ith...@uoguelph.ca<mailto:ith...@uoguelph.ca>


Hi Jinto,



Hmm, not the correct Codec being set. I'll hard code the CODEC now and see what 
happens.



ZZZZZZZZZ -gw#show dialplan number +441970XXXXXX | incl codec

       voice-class codec = 1

        codec = g729r8,   payload size =  20 bytes,

        video codec = disable

        voice class codec = 1

        voice-class codec = 1

        codec = g729r8,   payload size =  20 bytes,

        video codec = disable

        voice class codec = 1



Thanks,

Hefin



From: Jinto Alakkal <jalak...@uoguelph.ca<mailto:jalak...@uoguelph.ca>>
Sent: 19 April 2021 15:16
To: Hefin James [ahj] (Staff) <a...@aber.ac.uk<mailto:a...@aber.ac.uk>>; 
cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>
Subject: Re: CCM<->CUBE<->MS Teams via Direct Routing



[RHYBUDD! E-BOST ALLANOL / CAUTION! EXTERNAL E-MAIL]



Hi Hefin,



Can you run a sh dialplan number and make sure that it's hitting the correct 
outgoing dial-peer from CUBE, also instead of using voice-class codec 1 try to 
hard code the codec in the outgoing dial-peer



Thanks!

Jinto.







________________________________

From: cisco-voip 
<cisco-voip-boun...@puck.nether.net<mailto:cisco-voip-boun...@puck.nether.net>> 
on behalf of Hefin James [ahj] (Staff) <a...@aber.ac.uk<mailto:a...@aber.ac.uk>>
Sent: Monday, April 19, 2021 10:00 AM
To: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> 
<cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net>>
Subject: [cisco-voip] CCM<->CUBE<->MS Teams via Direct Routing



CAUTION: This email originated from outside of the University of Guelph. Do not 
click links or open attachments unless you recognize the sender and know the 
content is safe. If in doubt, forward suspicious emails to 
ith...@uoguelph.ca<mailto:ith...@uoguelph.ca>



Hi Everyone,



I've it a snag with a setup, and I can't see what it's failing on.

Calls from MS Teams<->CUBE<->CCM route and work correctly, but not the other 
way.



I just get a "SIP/2.0 488 Not Acceptable Here" which is usually CODEC, but I'm 
forcing the CODEC to G711ulaw as described in 'Direct Routing for Microsoft 
Phone System with Cisco Unified Border Element (CUBE)'



2021-04-19 14:39:11 local3/7  Apr 19 14:39:11 BST: 
//35634/9E24AF000000/SIP/Msg/ccsipDisplayMsg:

2021-04-19 14:39:11 local3/7  Sent:

2021-04-19 14:39:11 local3/7  INVITE 
sip:+441970xxx...@sip2.pstnhub.microsoft.com:5061;user=phone<sip:+441970622...@sip2.pstnhub.microsoft.com:5061;user=phone>
 SIP/2.0

2021-04-19 14:39:11 local3/7  Via: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2A0E2390

2021-04-19 14:39:11 local3/7  From: "AHJ Test" 
<sip:+441970yyy...@zzzzzzzzz.aber.ac.uk<sip:+441970624...@teams-gw.aber.ac.uk>>;tag=19270142-B3

2021-04-19 14:39:11 local3/7  To: 
<sip:+441970xxx...@sip2.pstnhub.microsoft.com<sip:+441970622...@sip2.pstnhub.microsoft.com>>

2021-04-19 14:39:11 local3/7  Date: Mon, 19 Apr 2021 13:39:11 GMT

2021-04-19 14:39:11 local3/7  Call-ID: 
7554de42-a04b11eb-8cdfdafb-244a9...@zzzzzzzzz.aber.ac.uk<mailto:7554de42-a04b11eb-8cdfdafb-244a9...@teams-gw.aber.ac.uk>

2021-04-19 14:39:11 local3/7  Supported: 
timer,resource-priority,replaces,sdp-anat

2021-04-19 14:39:11 local3/7  Min-SE:  1800

2021-04-19 14:39:11 local3/7  Cisco-Guid: 
2653204224-0000065536-0000000030-4077854636

2021-04-19 14:39:11 local3/7  User-Agent: Cisco-SIPGateway/IOS-17.3.3

2021-04-19 14:39:11 local3/7  X-MS-SBC: Cisco UBE/ISR4351/IOS-17.3.3

2021-04-19 14:39:11 local3/7  Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, 
UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

2021-04-19 14:39:11 local3/7  CSeq: 101 INVITE

2021-04-19 14:39:11 local3/7  Timestamp: 1618839551

2021-04-19 14:39:11 local3/7  Contact: 
<sip:+441970yyy...@zzzzzzzzz.aber.ac.uk:5061;transport=tls<sip:+441970624...@teams-gw.aber.ac.uk:5061;transport=tls>>

2021-04-19 14:39:11 local3/7  Expires: 180

2021-04-19 14:39:11 local3/7  Allow-Events: telephone-event

2021-04-19 14:39:11 local3/7  Max-Forwards: 68

2021-04-19 14:39:11 local3/7  Session-ID: 
8d66825c953b5cf5a1bcb2fad7b35cc2;remote=00000000000000000000000000000000

2021-04-19 14:39:11 local3/7  Session-Expires:  1800

2021-04-19 14:39:11 local3/7  Content-Type: application/sdp

2021-04-19 14:39:11 local3/7  Content-Disposition: session;handling=required

2021-04-19 14:39:11 local3/7  Content-Length: 475

2021-04-19 14:39:11 local3/7

2021-04-19 14:39:11 local3/7  v=0

2021-04-19 14:39:11 local3/7  o=CiscoSystemsSIP-GW-UserAgent 4399 1826 IN IP4 
real.world.ip

2021-04-19 14:39:11 local3/7  s=SIP Call

2021-04-19 14:39:11 local3/7  c=IN IP4 real.world.ip

2021-04-19 14:39:11 local3/7  t=0 0

2021-04-19 14:39:11 local3/7  a=ice-lite

2021-04-19 14:39:11 local3/7  m=audio 8238 RTP/SAVP 0 101

2021-04-19 14:39:11 local3/7  c=IN IP4 real.world.ip

2021-04-19 14:39:11 local3/7  a=rtpmap:0 PCMU/8000

2021-04-19 14:39:11 local3/7  a=rtpmap:101 telephone-event/8000

2021-04-19 14:39:11 local3/7  a=fmtp:101 0-16

2021-04-19 14:39:11 local3/7  a=ptime:20

2021-04-19 14:39:11 local3/7  a=crypto:1 AES_CM_128_HMAC_SHA1_80 
inline:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

2021-04-19 14:39:11 local3/7  a=label:main-audio

2021-04-19 14:39:11 local3/7  a=label:main-audio

2021-04-19 14:39:11 local3/7  a=rtcp:8239 IN IP4 real.world.ip

2021-04-19 14:39:11 local3/7  a=ice-ufrag:Wcpd

2021-04-19 14:39:11 local3/7  a=ice-pwd:4jFD67CwNiKIjLhaPn8Q21

2021-04-19 14:39:11 local3/7  Apr 19 14:39:11 BST: 
//35634/9E24AF000000/SIP/Msg/ccsipDisplayMsg:

2021-04-19 14:39:11 local3/7  Received:

2021-04-19 14:39:12 local3/7  SIP/2.0 100 Trying

2021-04-19 14:39:12 local3/7  FROM: "AHJ 
Test"<sip:+441970yyy...@zzzzzzzzz.aber.ac.uk<sip:+441970624...@teams-gw.aber.ac.uk>>;tag=19270142-B3

2021-04-19 14:39:12 local3/7  TO: 
<sip:+441970xxx...@sip2.pstnhub.microsoft.com<sip:+441970622...@sip2.pstnhub.microsoft.com>>

2021-04-19 14:39:12 local3/7  CSEQ: 101 INVITE

2021-04-19 14:39:12 local3/7  CALL-ID: 
7554de42-a04b11eb-8cdfdafb-244a9...@zzzzzzzzz.aber.ac.uk<mailto:7554de42-a04b11eb-8cdfdafb-244a9...@teams-gw.aber.ac.uk>

2021-04-19 14:39:12 local3/7  VIA: SIP/2.0/TLS 
real.world.ip:5061;branch=z9hG4bK2A0E2390

2021-04-19 14:39:12 local3/7  CONTENT-LENGTH: 0

2021-04-19 14:39:12 local3/7  ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY

2021-04-19 14:39:12 local3/7  SERVER: Microsoft.PSTNHub.SIPProxy v.2021.4.12.3 
i.USEA.2

2021-04-19 14:39:12 local3/7  TIMESTAMP: 1618839551

2021-04-19 14:39:12 local3/7

2021-04-19 14:39:12 local3/7  Apr 19 14:39:12 BST: 
//35634/9E24AF000000/SIP/Msg/ccsipDisplayMsg:

2021-04-19 14:39:12 local3/7  Received:

2021-04-19 14:39:12 local3/7  SIP/2.0 488 Not Acceptable Here



Dial peer is like what laid out in the document:



dial-peer voice 200 voip

description towards Phone System Proxy 1

preference 1

rtp payload-type comfort-noise 13

session protocol sipv2

session target dns:sip.pstnhub.microsoft.com

destination e164-pattern-map 200

voice-class codec 1

voice-class stun-usage 1

voice-class sip early-offer forced

voice-class sip tenant 200

voice-class sip options-keepalive profile 200

dtmf-relay rtp-nte

srtp

fax protocol none

no vad

!



Any clues would be most welcome.



Thanks,

Hefin



--------------------------------------------------------------

Hefin James

Rheolwr Seilwaith TG /  IT Infrastructure Manager

Gwasanaethau Gwybodaeth / Information Services

Prifysgol Aberystwyth / Aberystwyth University



[Description: Description: Disgrifiad: Disgrifiad: Description: Description: 
Description: Description: Description: Iaith Gwaith] Hapus i siarad Cymraeg






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