Forking is different, since there is different to-tags from forked legs and so offer-answer applies to each leg.
Sanjay >-----Original Message----- >From: Victor Grinberg [mailto:[EMAIL PROTECTED] >Sent: Monday, November 19, 2007 4:19 PM >To: Robert Sparks >Cc: sip List >Subject: Re: [Sip] SIPit21: SDP in a 200OK when using 100rel > >On Mon, 2007-11-19 at 15:13 -0600, Robert Sparks wrote: >> There was a lot of discussion and disagreement at SIPit21 about >> whether the following 200 OK is allowed (or should) have SDP in it: >> >> INVITE (offer) >> --------> >> 18x (with 100rel) (answer) >> <-------- >> PRACK >> ---------> >> 200 OK (can this carry SDP?) >> <--------- >> ACK >> ---------> >> >> I couldn't find anything definitive in RFC form. Paul's offeranswer >> draft talks about this I think. >> >> If I understand things, the right answer here is that it's not >> supposed to carry any SDP and that you should ignore it if >it shows up. >> >> The question is, other than waste, what can go wrong if it >is there? >> When we end up with clear text around the requirement, will >it say SDP >> SHOULD NOT, or MUST NOT appear? >> > >What if INVITE forked and you got 18x from one of destinations >and 200 from another? > >-- >VictorG > > > > >_______________________________________________ >Sip mailing list https://www1.ietf.org/mailman/listinfo/sip >This list is for NEW development of the core SIP Protocol Use >[EMAIL PROTECTED] for questions on current sip >Use [EMAIL PROTECTED] for new developments on the application of sip > _______________________________________________ Sip mailing list https://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
