Hi, This topic has being discussed in relation to partial notification draft. My understanding is that 'normal' notifications (using RFC3856) can overlap. Partial notification ID restricts sending of a new NOTIFY request containing partial presence state when there is a NOTIFY transaction pending.
For more info check: http://bugs.sipit.net/show_bug.cgi?id=686 - Mikko >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >ext Paul Kyzivat >Sent: Tuesday, February 08, 2005 21:37 >To: [email protected] >Subject: [Sip-implementors] overlapping NOTIFYs? > >I received a question recently about sub/not. I thought I knew >the answer, but upon looking I don't find it. Hopefully >somebody here knows. > >I was thinking there was a restriction to one NOTIFY at a time. >But I can't find any mention of that in 3265. Did I just imagine that? >(Maybe I got it mixed up with MESSAGE.) > >The same question applies to multiple reSUBSCRIBE requests - >is there any restriction about overlapping them? Doesn't make >a lot of sense, but I can't find any restriction against it. > >And was there ever any discussion of glare, when reSUBSCRIBE >and NOTIFY occur simultaneously? This starts to get subtle, >especially if the reSUBSCRIBE causes a change in what the >NOTIFYs deliver. > >I gotta believe there has been discussion of this before. But >I can't find any record of it. Lack of clarity around this is >causing some implementation grief. > > Thanks, > Paul > >_______________________________________________ >Sip-implementors mailing list >[email protected] >http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
