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Cisco Voice GW and SIP Remote-Party-ID

essa.anas
Level 1
Level 1

Hi, I have problem to pass a SIP call to the PSTN when I am using the Remote-Party-ID. If INVITE message coming with a field Remote-Party-ID: <sip:8843838488834@domain.com> the call will not complete, If this field removed the call will complete, when I debugging with debug ccsip messages and debug isdn q931 I see that when the call complete the sip message logs coming and the the ISDN Q931, but when the call is not completed I see only INVITE messages with some replays but no log of the ISDN Q931. Seems like the SIP message is not successfully translated to trigger the ISDN channel, I am using E1 line with 30 channels. I visited also the link : http://www.cisco.com/en/US/docs/ios/12_3/sip/configuration/guide/chapter9.html which was good, but didn't help.

This is sample INVITE message:

INVITE sip:9710000100@172.91.10.71 SIP/2.0

Record-Route: <sip:172.91.10.100;lr=on>

Via: SIP/2.0/UDP 172.91.10.100;branch=z9hG4bKb887.6439d695.1

Via: SIP/2.0/UDP 172.91.10.10:33654;received=172.91.10.10;branch=z9hG4bK-d8754z-963d044746776977-1---d8754z-;rport=33654

Max-Forwards: 69

Contact: <sip:1000@172.91.10.10:33654>

To: <sip:9710000100@172.91.10.100>

From: "1000"<sip:1000@172.91.10.100>;tag=206cf76c

Call-ID: ZGQ1ODIwOWNlZTA2MWYyOGFkZDQzZTRkMjNlZmM3MDI.

CSeq: 2 INVITE

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

Content-Type: application/sdp

Supported: replaces

User-Agent: ********************************

Content-Length: 545

Remote-Party-ID: <sip:75653434535@**************>

Please Advice

Essa Anas

1 Reply 1

yuanwu
Cisco Employee
Cisco Employee

Hi, Essa

Please provide the following for further trouble-shooting,

1. detail call flow, where did the SIP INVITE come from?

2. show tech of the GW

2. debug voip ccapi inout, debug ccsip all, debug isdn q931 when the call worked without RPID and with RPID

Rgds/Randy