Thank you Brett!!
On Fri, Feb 1, 2013 at 1:25 AM, Brett Tate <[email protected]> wrote: > > If suppose first INVITE message and To header are of > > tel URI type. And the server responds with 416. Should > > we not be changing the To header from tel URI to > > SIP URI in this case? > > According to RFC 3261, the request-URI was the issue. As section 8.1.3.5 > indicates, the To SHOULD be the same. However if you want to change the To > URI (and/or From URI), I recommend changing the Call-ID since you are > effectively acting more like a 3xx processing option (section 8.1.3.4) > which indicates that the Call-ID MAY change. > > RFC 3261 is underspecified concerning the topic since the UAC and proxies > theoretically have no idea which request-URI caused the issue. For > instance, "tel" might be supported; however the proxy forwarded the call to > another server using a "foo" request-URI scheme. > > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
