Plz refer section 2.7 of draft-ietf-sipping-service-examples-08. It can be of good help. regards
On 5/11/05, Kasturi Narayanan (kasnaray) <[EMAIL PROTECTED]> wrote: > > > I ran into a specific issue where a B2BUA/PROXY needs to send a 181 > (Call being forwared) immediately after invocation of forwarding. > > In this case, the INVITE was received with No Offer and the UAS does not > have the OFFER while sending 181 because it is still in the process of > setting up the call towards the forwarded party. > > With PRACK required, how can a B2BUA send 181 reliably with Offer when > it receives Invite with No-Offer. May be we need to change the MUST to > SHLD to address the above case. > > In the sentence in Section 5 of the RFC 3262 "Similarly, if a reliable > provisional response is the first reliable message sent back to the > UAC, and the > > INVITE did not contain an offer, one "MUST" appear in that reliable > provisional response." > > Please clarify > > Thanks > > Kasturi > > _______________________________________________ > Sip-implementors mailing list > [email protected] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
