"Karthik.v" <karthik...@plintron.com> writes: > In rfc 3428, Section 11.4 (Replay Prevention) it has been mentioned as > signed message request MUST contain the date header field by the message > signature. > > *) What is signed message request ..?
See RFC 3261 sections 23 and 26 for the basics. > *) Why it is not mandatory that in unsigned message request should > contain Date header field ..? In the simplest use cases, there is no particular use for Date header fields. But UAs should always generate Date headers, because when debuggin SIP systems, a major category of problems is slow propagation of SIP messages. The Date headers allows the transit time of logged messages to be calculated. Dale _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
