Hi Aditya Please go through Section 17.2.1 INVITE Server Transaction of RFC 3261
In brief , UE(trxn layer) should retransmit final response till Timer H(64 * T1) fires .and if still ACK not came ,transaction will move to terminated state . Thanks & regards Ankur Bansal On Sun, Dec 29, 2013 at 9:49 PM, Aditya Kumar <adityakumar...@yahoo.com>wrote: > Hi, > UE Receives INVITE. > sends 486 //Any Failure 3xx,4xx,5xx,6xx > ACK is lost. > > what should be the behavior. > I mean for how much time should the UE keep the transaction state? > or wil do that clean up immediately? > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
