>Some queries regarding, >*) How many contacts can be present in 3XX reponse ..?
See SIP RFC 3261 Section 21.3 -> Depends on the response type I guess >*) Other than INVITE method whether in any other method contact header field >is mandatory ? See SIP RFC 3261 table 2 and section 8.1.1.8 -> none >*) Why contact header is mandatory in INVITE request ..? through via itself >UAS can send response & request See SIP RFC 3261 Section 8.1.1.7 -> the via field is only used for sending responses for the request it is included in, whilste the contact header is used to send requests within the INVITE's dialog directly to the other side (Section 8.1.1.7) Regards, Harry _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
