> -----Original Message----- > From: Hadriel Kaplan [mailto:[EMAIL PROTECTED] > Sent: Monday, September 10, 2007 13:31 > To: Audet, Francois (SC100:3055); Stucker, Brian > (RICH1:AR00); 'Eric Burger' > Cc: 'sip' > Subject: RE: [Sip] INFO > > Ya, voicemail isn't the strongest - I noted in that email > that a VM would probably (hopefully) do 2833. But there are > plenty of PSTN gateways which don't do 2833. In fact I've > heard that's where the INFO usage for dtmf got born. There > are also plenty of Enterprise hard-phones that apparently > don't do 2833. Nor do most H.323 devices. Considering how > much INFO-dtmf is demanded and used, I assume it must be a > large set of devices or apps that don't do 2833.
My expectation is that most systems have (or will soon) support RFC 2833, and be migrating to it soon. INFO worked relatively well in a single-vendor network, but it really was pretty useless when trying to interoperate with other vendors. _______________________________________________ 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
