Re: draft-ietf-sip-info-events-00: multiple packages per INFO
Dean Willis <[email protected]>
| Newsgroups | gmane.ietf.sip |
|---|---|
| Message-ID | <[email protected]> |
On Oct 23, 2008, at 9:33 AM, Paul Kyzivat wrote: > > > Dean Willis wrote: >> On Oct 23, 2008, at 6:07 AM, DRAGE, Keith (Keith) wrote: >>> It may be restrictive, but will anyone notice the restriction? >>> >>> Is there anyone out there who has a current use case for two >>> packages >>> per dialog - rather than "I've definitely used one therefore want to >>> reserve my options in case I need a second"? >> Two packages in the same dialog makes sense. For example, one >> might want to use location-push and image-push during a call.. >> Different sets of packages allowed at different times during the >> lifespan of the dialog doesn't make nearly as much sense. The >> simplest model is to agree one set of packages "up front", and use >> only that set during the dialog. > > No. I always have to remind people: > > a 3pcc transfer can result in needing to renegotiate things in the > dialog that remains. > > That's a dialog renegotiation, for all practical purposes a new dialog. You're also negotiating new codecs, etc. Doing INFO package renegotiation is just a part of it. OTOH, I think we messed up with 3PCC, too. It's just another bottomless pit of complexity that we should have avoided. -- Dean _______________________________________________ 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