Hi;
As you probably know, in H323 protocol stack, there is call control protocol which is named H245. In normal call flow , after the call is established a seperate tcp channel will open for H245 messages. As I understand from RFC 3261 and some documents, SDP will handle the call control in SIP. Now my questions are: 1) when SDP messages is going to handle? (after call establishment or during call setup) 2) like H323 , can we have both normal-start and fast-start call flow in SIP? 3)Is there any document, indicating the diffrences between SIp and H323? Warmest Regards Mohammad _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
