Re: Comment on DERIVE and B2BUAs
Iñaki Baz Castillo <[email protected]>
| Newsgroups | gmane.ietf.sip |
|---|---|
| Message-ID | <[email protected]> |
El Miércoles, 29 de Octubre de 2008, Dan Wing escribió: > > Would the SBC not have to handle the SUBSCRIBE request locally? After > > all, since it is a terminal UA for the call, it also knows > > about all the > > dialog states. The end-user UA would never even see the SUBSCRIBE. > > If that's a problem, just use some different method that goes end to > end. The always-loved INFO comes to mind. Anyway, you need to carry in the INFO body (or headers) data about the current dialog, but this data changes in both legs of the B2BUA, so it will fail. It's exactly the same case as if the SUBSCRIBE is "forwarded" between B2BUA legs without replacing the dialog data (from leg B to leg A). Regards. -- Iñaki Baz Castillo _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [email protected] for questions on current sip Use [email protected] for new developments on the application of sip