> -----Original Message----- > From: Eric Burger [mailto:[EMAIL PROTECTED] > Sent: Monday, September 10, 2007 3:26 PM > To: Audet, Francois (SC100:3055); [EMAIL PROTECTED]; > Stucker, Brian (RICH1:AR00) > Cc: [email protected] > Subject: Re: [Sip] INFO > > Precisely. To be blunt, one would be "less than smart" to use > either KPML or INFO for any interactive voice response application. > > INFO doesn't route by default. You have to *hope* your > softswitch, SBC, or other B2BUA in the way knows to relay the > INFO. At least most of those elements knows to relay pub/sub. > > Both KPML and INFO have the proxy latency penalty, making for > a piss-poor user experience.
Can you idenitfy ANY IVR application that people didn't think it was a poor user experience? Yeah, IVR jail. Wheee... > > While we're at it, let's transport voice in SIP ;-) > > -- > Sent from my wireless e-mail device. Sorry if terse. We all > need lemonade: see > <http://www.standardstrack.com/ietf/lemonade> for what lemonade is. > > ----- Original Message ----- > From: Francois Audet <[EMAIL PROTECTED]> > To: Hadriel Kaplan <[EMAIL PROTECTED]>; Brian Stucker > <[EMAIL PROTECTED]>; Eric Burger > Cc: sip <[email protected]> > Sent: Mon Sep 10 13:08:58 2007 > Subject: RE: [Sip] INFO > > Ah.... Good point. Hadn't tought of that. > > In any case, I'm not sure voicemail is the best example. > Seems to me you are more likely to use RFC 2833 for > voicemail, since it's a media server. Furthermore, you'll for > sure be dealing with people leaving voicemails that are NOT > SIP users and would be going through a generic PSTN-SIP > gateway (which would do RFC 2833). > > I'd think that KPML is more useful for features that don't > terminate media, like the Calling card example, or *gasp* > invocation of feature codes, and where the end-user device is > known to be a SIP phone. > > > > -----Original Message----- > > From: Hadriel Kaplan [mailto:[EMAIL PROTECTED] > > Sent: Monday, September 10, 2007 12:42 > > To: Audet, Francois (SC100:3055); Stucker, Brian > > (RICH1:AR00); 'Eric Burger' > > Cc: 'sip' > > Subject: RE: [Sip] INFO > > > > But most calls to a voicemail server DON'T actually use DTMF, > > I've been told > > - since most calls to a vmail server are to leave messages. > > Calls to retrieve voicemail do always use dtmf, but calls to > > leave voicemail don't. > > However calls to leave voicemail usually have the optional > > ability for the caller to send DTMF - for example pressing > > "*" and then the passcode to retrieve voicemail, or "0" to > > reach an attendant, or some button to cancel the recording, > > etc. Only a fraction of those calls actually end up with > > someone pressing a dtmf button, but because you *could* press > > dtmf, the vmail server would have to KPML subscribe for all calls. > > Notice: This email message, together with any attachments, > may contain information of BEA Systems, Inc., its > subsidiaries and affiliated entities, that may be > confidential, proprietary, copyrighted and/or legally > privileged, and is intended solely for the use of the > individual or entity named in this message. If you are not > the intended recipient, and have received this message in > error, please immediately return this by email and then delete it. > _______________________________________________ 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
