3. And if the UAS never receives an ACK you could be sure that you have a NAT problem. ;)
Regards, Markus B, Nataraju wrote: > It serves 2 purposes.... > > 1. to confirm UAS that UAC got the SDP sent in the 200-INV, without ACK > UAS is not sure whether answer reached UAC or not. Before that > confirmation, its like one ended pipe open from UAC to UAS > > 2. to complete the delayed media negotiation > > Thanks, > Nataraju A B > >> -----Original Message----- >> From: [EMAIL PROTECTED] > [mailto:sip-implementors- >> [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] >> Sent: Monday, September 18, 2006 8:07 PM >> To: sip-implementors@cs.columbia.edu >> Subject: [Sip-implementors] 3-way handshake >> >> Hi, >> >> What was the intention behind proposing the need for sending ACK after >> 200OK of INVITE under SIP. >> >> >> _______________________________________________ >> Sip-implementors mailing list >> Sip-implementors@cs.columbia.edu >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
