Hi Satya, Thanks for the reply..didn't locate that table at first :)
Regards, Sandip On Fri, Aug 7, 2009 at 7:17 PM, T Satyanarayana-A12694 < [email protected]> wrote: > The RFC does mention this. In table 2, on page 162. > > Header field where proxy ACK BYE CAN INV OPT REG > ___________________________________________________________ > Contact 2xx - - - m o o > regards > Satya T > > > ------------------------------ > *From:* [email protected] [mailto:[email protected]] *On Behalf Of > *sandip > gangakhedkar > *Sent:* Thursday, August 06, 2009 8:16 PM > *To:* [email protected] > *Subject:* [Sip] Contact header in 200 OK > > Hi all, > > I'd like to know if the Contact header is mandatory for a 200 OK response > to an INVITE request. > > The RFC doesnt explicitly mention anything in this regard although a 200 OK > is mandatory for a REGISTER request. > > If the originating endpoint receives the Contact header in the 180 Ringing > response (which I assume is mandatory), then it knows the location of the > remote endpoint, in which case the Contact header would be redundant in the > 200 OK response. > > Waiting for some expert intervention.. :) > > Regards, > -- > Sandip Gangakhedkar > Mobile:+91-97396-99916 > Office: +91-80-4363-3899 > Profile: http://www.linkedin.com/in/sandipg >
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