The rfc is not talking about match via from 200ok and the invite. +++
In reality the only problem that we have here is the out of order from the server side. Before the 200k the server must send the 487 to terminated the dialog and wait for ACK and then send the 200ok-cseq-cancel. -----Original Message----- From: ext Brett Tate [mailto:[email protected]] Sent: Wednesday, April 20, 2011 10:12 AM To: Pavesi, Valdemar (NSN - US/Irving); [email protected] Subject: RE: [Sip-implementors] SIP request Cancel Issue > This via with rport=5060 is the one generated by server > on b-side . and we are talking about cancel the dialog > on a-side. You might want to look at the call flow again. Voip1:10.32.140.122 INVITE sip:[email protected];transport=udp SIP/2.0 From: "AHTV Ric 1"<sip:[email protected]>;tag=13e7858-7a8c200a-13c4-5506-38-3625c56-38 To: <sip:[email protected];transport=udp> Call-ID: 14800c0-7a8c200a-13c4-5506-38-1b91bc30-38 CSeq: 1 INVITE Via: SIP/2.0/UDP 10.32.140.122:5060;rport;branch=z9hG4bK-38-dc39-6b4deb27 <snip> Voip-1 Sends Cancel CANCEL sip:[email protected];transport=udp SIP/2.0 From: "AHTV Ric 1"<sip:[email protected]>;tag=13e7858-7a8c200a-13c4-5506-38-3625c56-38 To: <sip:[email protected];transport=udp> Call-ID: 14800c0-7a8c200a-13c4-5506-38-1b91bc30-38 CSeq: 1 CANCEL Via: SIP/2.0/UDP 10.32.140.122:5060;rport;branch=z9hG4bK-38-dc39-6b4deb27 Max-Forwards: 70 Supported: 100rel,timer,replaces Content-Length: 0 Server responds with 200 Ok SIP/2.0 200 OK Via: SIP/2.0/UDP 10.32.140.122:5060;rport;branch=z9hG4bK-38-dc39-6b4deb27;rport=5060 From: "AHTV Ric 1"<sip:[email protected]>;tag=13e7858-7a8c200a-13c4-5506-38-3625c56-38 To: <sip:[email protected];transport=udp>;tag=2406394696 Call-ID: 14800c0-7a8c200a-13c4-5506-38-1b91bc30-38 CSeq: 1 CANCEL Contact: <sip:10.32.128.20> Allow: INVITE,ACK,CANCEL,BYE,REFER,OPTIONS,NOTIFY,SUBSCRIBE,PRACK,MESSAGE,INFO Allow-Events: dialog Supported: gruu Content-Length: 0 Server sends 487 SIP/2.0 487 Request Terminated Via: SIP/2.0/UDP 10.32.140.122:5060;rport;branch=z9hG4bK-38-dc39-6b4deb27;rport=5060 From: "AHTV Ric 1"<sip:[email protected]>;tag=13e7858-7a8c200a-13c4-5506-38-3625c56-38 To: <sip:[email protected];transport=udp>;tag=2406394696 Call-ID: 14800c0-7a8c200a-13c4-5506-38-1b91bc30-38 CSeq: 1 INVITE Contact: <sip:10.32.128.20> Allow: INVITE,ACK,CANCEL,BYE,REFER,OPTIONS,NOTIFY,SUBSCRIBE,PRACK,MESSAGE,INFO Allow-Events: dialog Supported: gruu Content-Length: 0 Voip1 is not responding to 487 _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
