IPIPGW -- H.323 to SIP Issue

Unanswered Question
Jun 22nd, 2007
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Hi,


I have an issue with an IPIPGW that has an H323 trunk to one CCM cluster and a SIP trunk to another CCM cluster.


When I place a call from the SIP side to the H323 side? when the call is answered the calling party continues to hear ringing while the called party hears dead air. When the calling party hangs up the call ends on both sides.


This seems to work fine if I configure the IPIPGW to do H323-to-H323 so I?m fairly certain there?s an issue with the SIP trunk.


I?ve included the output of <debug ccsip messages> from the IPIPGW.


*Jun 23 00:41:05.743: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

INVITE sip:[email protected]:5060 SIP/2.0

Via: SIP/2.0/TCP X.X.130.12;branch=z9hG4bK40270b9add

Remote-Party-ID: <sip:[email protected]>;party=calling;screen=yes;privacy=off

From: <sip:[email protected]>;tag=ea851b51-b52c-4abf-9739-47537c0677ef-27435069

To: <sip:[email protected]>

Date: Fri, 22 Jun 2007 23:30:18 GMT

Call-ID: [email protected]

Supported: timer,replaces

Min-SE: 1800

User-Agent: Cisco-CCM5.1

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

CSeq: 101 INVITE

Contact: <sip:[email protected]:5060;transport=tcp>

Expires: 180

Allow-Events: presence, kpml

Call-Info: <sip:X.X.130.12:5060>;method="NOTIFY;Event=telephone-event;Duration=500"

Session-Expires: 1800

Max-Forwards: 70

Content-Length: 0



*Jun 23 00:41:05.755: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 100 Trying

Via: SIP/2.0/TCP X.X.130.12;branch=z9hG4bK40270b9add

From: <sip:[email protected]>;tag=ea851b51-b52c-4abf-9739-47537c0677ef-27435069

To: <sip:[email protected]>;tag=B09735C-F9C

Date: Sat, 23 Jun 2007 00:41:05 GMT

Call-ID: [email protected]

Server: Cisco-SIPGateway/IOS-12.x

CSeq: 101 INVITE

Allow-Events: telephone-event

Content-Length: 0




*Jun 23 00:41:05.783: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 180 Ringing

Via: SIP/2.0/TCP X.X.130.12;branch=z9hG4bK40270b9add

From: <sip:[email protected]>;tag=ea851b51-b52c-4abf-9739-47537c0677ef-27435069

To: <sip:[email protected]>;tag=B09735C-F9C

Date: Sat, 23 Jun 2007 00:41:05 GMT

Call-ID: [email protected]

Server: Cisco-SIPGateway/IOS-12.x

CSeq: 101 INVITE

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

Allow-Events: telephone-event

Contact: <sip:[email protected]:5060;transport=tcp>

Content-Length: 0



*Jun 23 00:41:15.883: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 500 Internal Server Error

Via: SIP/2.0/TCP X.X.130.12;branch=z9hG4bK40270b9add

From: <sip:[email protected]>;tag=ea851b51-b52c-4abf-9739-47537c0677ef-27435069

To: <sip:[email protected]>;tag=B09735C-F9C

Date: Sat, 23 Jun 2007 00:41:05 GMT

Call-ID: [email protected]

Server: Cisco-SIPGateway/IOS-12.x

CSeq: 101 INVITE

Allow-Events: telephone-event

Reason: Q.850;cause=16

Content-Length: 0




*Jun 23 00:41:15.887: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

ACK sip:[email protected]:5060 SIP/2.0

Via: SIP/2.0/TCP X.X.130.12;branch=z9hG4bK40270b9add

From: <sip:[email protected]>;tag=ea851b51-b52c-4abf-9739-47537c0677ef-27435069

To: <sip:[email protected]>;tag=B09735C-F9C

Date: Fri, 22 Jun 2007 23:30:18 GMT

Call-ID: [email protected]

Max-Forwards: 70

CSeq: 101 ACK

Allow-Events: presence, kpml

Content-Length: 0


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rchilcote Wed, 09/19/2007 - 15:57
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Make sure you check the "Enable Inbound Faststart" box on the H323 trunk config page.



jposada_us Tue, 09/25/2007 - 14:44
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I solve a similar problem with the Inbound & Outbound fast start enabled with G.729 codec and MTP required on the GW configuration. MTP software configured into the IPIPGW


Hope this help.

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