christina, I'm sorry, but I can't figure out what you are asking below.
If you haven't already, see if http://www.ietf.org/internet-drafts/draft-ietf-sipping-sip-offeranswer-06.txt answers your question. Paul christina yuen wrote: > My understanding is > > 1> if an SDP offer received in a SIP request, such as all media streams > in the SDP offer, => the SDP answer is returned in a 488 Not Acceptable Here > response and a SIP607 log is generated. > > 2> If an SDP offer received in a provisional response, such as all media > streams in the SDP offer, => it must be rejected, the SDP answer is returned > in the PRACK. > > > > Now an new SDP offer is received in a provisional response, 180 Ringing, > then the switch should reject the SDP offer in PRACK. Do you think it is > right? Thanks. > > > > Christina > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
