> -----Original Message----- > From: Dean Willis [mailto:[EMAIL PROTECTED] > > On Oct 17, 2007, at 5:54 PM, Hadriel Kaplan wrote: > > > Why does there need to be a 3-way exchange? > > Can the 200-ok have Events listed that weren't offered? (why would > > it bother to? The offerer didn't say it could do them.) > > So isn't the ACK always a mirror image of the 200ok, in which case > > why bother? > > Unless you had competing Event types, where only one should be > > used, or couldn't do some combo of them. And then this concept is > > getting bloated, and will end up looking like SDP capabilities > > negotiation. > > > > The only argument I can see is -- it prevents race conditions. Don't > send an event until the ACK.
We could just define that no INFO (or NOTIFY if that be the method) can be sent until the ACK, regardless. Like BYEs. -hadriel _______________________________________________ Sip mailing list https://www1.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
