Yes, once ACK is received by B, it should stop sending 200 OK. Are you sure B is receiving ACK or it's dropped somewhere? Does B ultimately send BYE or CANCEL if it exceeds maximum attempts for 200 OK?
Rajesh. > -----Original Message----- > From: [EMAIL PROTECTED] > > > Hi all, > I have a doubt regarding how ACK requests are handled. > I am trying to establish a SIP session. The following is the scenario. > A------------B > INV---------> > <----------100 > <----------180 > <----------200 > ACK---------> > Till this point, it is OK.But after this there are repeated 200Ok from B > as below. > <----------200 > ACK---------> > <----------200 > ACK---------> > > I guess according to the RFC 3261, once ACK is received, the UA should > stop sending the 200 OK.Could someone please tell me if this a possible > scenario, that is under what circumstances 200 OK is sent after > recieving ACK. I could not get the answer for this from the RFC. > > Could someone answer this. > > thanks > Mahesh > > > > _______________________________________________ > 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
