You couldn't possibly send a BYE in this case becasue 100 trying can't have a to-tag which renders it incapable of forming an early dialog. However the appropriate response is a 487 if there is indeed a dialog formed by the INVITE transaction.
On Tuesday, 22 February, 2011 06:47 AM, Nauman Sulaiman wrote: > Hi, If the caller sends a BYE for an early dialog what should the callee send > as response to INVITE. I understand a 200K would be sent for the BYE. > > caller -------------------> Callee > INVITE > > caller<------------------- Callee > 100 Trying > > caller ---------------------> Callee > BYE > > caller<--------------------- callee > 200 OK (BYE) > > ? > > ? > > > Thanks > > > > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
