Hi, In the latter case i.e assuming that A sends INVITE replaces to C (after B joins A and C), will A be doing the mixing? Does A need to send re-INVITE declaring it as a focus?
Regards Nagesh On 6/28/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > From: Paul Kyzivat <[EMAIL PROTECTED]> > > UA 1 uses an INVITE with a Join header, to either UA 2 or UA 3, > where the Join header references the dialog id. See RFC 3911. > > From: "Michael Procter" <[EMAIL PROTECTED]> > > And if you want UA1 to sit in the middle of all the media, you > could then send an INVITE/Replaces to the other UA (not the one you > sent an INVITE/Join). > > I'd never seen that trick. Thanks! > > The latter scenario is what I was looking for. And it has an > interesting side-effect: UA 2 is momentarily performing an ad-hoc > conference between the old UA 2-to-UA 3 dialog and the new UA 1-to-UA > 2 dialog. That suggests that it is desirable to have every UA > implement the Join header to the point of doing two-dialog ad-hoc > conferencing, even if it cannot give good audio quality, as the ad-hoc > conference may be a transitory state. > > Dale > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
