Hi Sridhar, Refer RFC 3261 which is successor of RFC 2543.
Regards, Anand On Tue, 3 Sep 2019, 18:50 Sridhar Kumar N, <pnvsridha...@gmail.com> wrote: > Dear All > od Day, > > While Studying SIP protocal, Stuck at FROM-TAG usage. > TO-TAG usage is clearly explained in RFC2543. But FROM -TAG usage is > written in 2lines. > Can you please elaborate for understanding. > > > If the From address can appear > in requests generated by other user agent clients for the same call, > the caller MUST insert the tag parameter in the From field. > > > -- > Thanking you > > by > SRIDHAR KUMAR.N > _______________________________________________ > 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
