I think Callee should reject the UPDATE with offer 2 by 500 error code. since offer/answer model not completed.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Siddharth Sharma Sent: Friday, May 23, 2008 3:27 PM To: [email protected] Subject: [Sip-implementors] Query: 200OK response to the UPDATE method Hi all, What should be the behavior if the caller receives 200OK response to the UPDATE method between 200OK (containing answer) and ACK for INVITE (containing an offer)? Caller Callee | | | | | (1) INVITE with offer 1 | |---------------------------------------------->| | | | | | (2) 180 | |<----------------------------------------------| | | | | | (3) UPDATE with offer 2 | |---------------------------------------------->| | | | | | (4) 200 INVITE with answer 1 | |<----------------------------------------------| | | | | | (5) 200 UPDATE with answer 2 | |---------------------------------------------->| | | | | | (6) ACK | |---------------------------------------------->| | | | | | | | | Regards, Siddarth _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
