the UAS cannot send CANCEL request. The UAC can only send CANCEL to terminate. After receiving 500 final response from UAS, UACsends ACK and after the timer expiry, Invite transaction will be terminated.
On Wed, Jul 21, 2010 at 3:13 PM, Md Faruk Apel Chowdhury < [email protected]> wrote: > > Appreciate if anybody could explain the following scenario with RFC > > User A sends INVITE to B, continuous ring is going to B. B does not answer. > In that case who will terminate the call. > > In my testing, B is sending 500 and call is getting terminated. Is it Ok as > per RFC. Or Softswitch(UAS) must send cancel to terminate the call. > > > regards > > > Faruk > UAE. > > > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- cheers!!!! sarvpriya _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
