Rajesh, The branch parameter in your Via header is the same as the 200 OK. This is incorrect for an ACK for a 200 OK in response to an INVITE. The ACK is not part of the same transaction so must have a different branch parameter value.
HtH, Ben Ben Gatewood Solutions Engineer - EMEA NexTone Communications +44 20 7375 9926 +44 7835 136 187 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of rajesh kumar Sent: Thursday, October 13, 2005 2:53 PM To: [email protected] Subject: [Sip-implementors] help needed: problem with ACK message format can any one find me out what is the problem with this ACK message format.. ACK sip:[EMAIL PROTECTED] SIP/2.0 Via: SIP/2.0/UDP 10.10.131.107:5060;branch=z9hG4bK-8a20727f-9b0e-431f-94f1-d4217e67d623.1;rpo rt Max-Forwards: 70 From: "16508179147"<sip:[EMAIL PROTECTED]>;tag=12c9fc6e-2e25-4fa9-82ef-5ed ce0b00c29 To: <sip:[EMAIL PROTECTED]>;tag=1129208058 Call-ID: [EMAIL PROTECTED] CSeq: 1 ACK Content-Length: 0 I am getting Message build error when I am sending ACK to the 200 OK resposne . then 200 Ok response is as follows.. SIP/2.0 200 Ok From: "16508179147"<sip:[EMAIL PROTECTED]>;tag=12c9fc6e-2e25-4fa9-82ef-5ed ce0b00c29 To: <sip:[EMAIL PROTECTED]>;tag=1129208058 Call-ID: [EMAIL PROTECTED] CSeq: 1 INVITE Server: SnowShoreMediaServer/1.3.7-050916A Via: SIP/2.0/UDP 10.10.131.107:5060;rport=52402;branch=z9hG4bK-8a20727f-9b0e-431f-94f1-d4217e 67d623.1 Contact: <sip:10.19.131.86:5060> Content-Type: application/SDP Content-Length: 180 v=0 o=SnowShoreUaV1 593326046 1670212032 IN IP4 10.19.131.86 s=SnowShore Sdp t=0 0 m=audio 6062 RTP/AVP 0 c=IN IP4 10.19.131.86 a=sendrecv a=ptime:20 a=rtpmap:0 PCMU/8000 Regards Rajesh --------------------------------- Yahoo! Music Unlimited - Access over 1 million songs. Try it free. --------------------------------- Yahoo! Music Unlimited - Access over 1 million songs. Try it free. _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
