You must send an ACK with an SDP answer to the offer. If you cannot support any of the media, you would disable all streams by setting the port number to 0. You would then have to immediately re-INVITE with a new SDP offer, or terminate the session with BYE.
cheers, (-:bob Robert F. Penfield Chief Software Architect Acme Packet, Inc. 130 New Boston Street Woburn, MA 01801 [EMAIL PROTECTED] ----- Original Message ----- From: "salman basit" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, March 28, 2002 10:55 PM Subject: [Sip-implementors] INVITE without SDP > > Hello > > > > I have been considering a particular Call Scenario. Suppose an INVITE > > request arrives that has no SDP attached with it(usu it is the norm that > > SDP is there). Now the callee replies 200 OK with its media capabilities. > > Now WHAT will happen if the caller does not support the Media Sent by > > Callee. It appears to me that protocol is quite about this. > > > > |----------INVITE(no SDP)--------->| > > Media not supported?? |<--------200 OK (SDP)--------------| > > > > > > > > > > if my interpretation is not correct what is the correct scenario for this > > case > > > > regards > > salman > _______________________________________________ > 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
