Yes; retries occur for both UDP and TCP. Additionally if not yet noticed, RFC 3262 section 3 discusses a T2 related difference from 2xx/ACK behavior.
> -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip- > implementors-boun...@lists.cs.columbia.edu] On Behalf Of ankur bansal > Sent: Friday, August 08, 2014 7:36 AM > To: sip-implementors > Subject: [Sip-implementors] Timer for 18x reliable response retransmission > > Hi All > > Does UE B need to run timer for both UDP/TCP or only for UDP while waiting > for PRACK after sending 18x reliable response. > > RFC 3262 does not mention anything about transport to use for running timer > but its mentioned that 18x/PRACK imitates the 2xx/ACK behavior . > As UE needs to retransmit 2xx for both TCP/UDP being end to end ,does > same way UE should retransmit 18x reliable response for both tcp/udp . > > Appreciate any inputs. > > Thanks & Regards > Ankur Bansal > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
