El Wednesday 20 August 2008 10:51:53 George AK escribió: > One old question. > Why the From-Tag is required?
> If UA communicates directlty to another UA? It's required to asociate transactions with their corresponding dialogs (the same UA could establish various dialogs/sessions with other UA, and a BYE should terminate just one of those dialogs). > If UA communicates thru a stateful Proxy to another UA? The same. > Is B2BUA the only guy who will cry if there is no From-Tag? No, all should cry. > If we allow the Callee to put his To-tag in the To header itself when he > sending reINVITE, will it work? -George- It makes no sense at all. Please, read http://tools.ietf.org/html/rfc3261#section-12 Note: RFC 2543 didn't make mandatory the usage of From and To tags. Afortunately this behaviour has become mandatory. -- Iñaki Baz Castillo [EMAIL PROTECTED] _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
