This is what we called delay media + color ring Give A the media server SDP in the 183 , bring the A party SDP to B side media server by PRACK.
When 200 OK arrives, do media re-route. Nathan > No INVITE sent out from A contains SDP, but I must play a Ring Back > Tone(song/music) to A when B is ringing. This is what is causing the problem > > -----Original Message----- > From: Nathan Ning [mailto:[EMAIL PROTECTED] > Sent: Tuesday, October 11, 2005 1:15 PM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED]; [email protected] > Subject: Re: [Sip-implementors] 183 Early Media with SDP > > Do you mean that in your case the INVITE sent out from A > contains no SDP, and you must get the SDP from B first and > then get it back to A? > > Nathan _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
