Yeah, I'd say putting sip:[EMAIL PROTECTED];user=phone in From (or anything "on-the-wire") is very appropriate.
I don't think we are disagreeing actually. > -----Original Message----- > From: Paul Kyzivat [mailto:[EMAIL PROTECTED] > Sent: Thursday, April 10, 2008 11:05 > To: Audet, Francois (SC100:3055) > Cc: Dan Wing; [email protected]; Juha Heinanen > Subject: Re: [Sip] E.164 - who owns it > > > > Francois Audet wrote: > > > >>> Agreed. > >>> > >>> Cutting to the chase, I'd put the following on my business card: > >>> > >>> tel: +1-408-495-2456 > >>> sip:[EMAIL PROTECTED] > >>> mailto:[EMAIL PROTECTED] > >> Interestingly, that doesn't indicate that you are > reachable via sip > >> using the numeric address. > > > > Yes, I did that on purpose. I don't see a point in doing it. > > > >> A sip caller given the tel might figure that out, but > might not. If > >> you had user enum, and the caller used it, then all is > well. But if > >> not, and if the caller just blasts the tel uri to his SP, it may > >> figure it out, and may not. > >> > >> You are going to ask why the caller would use the tel form in that > >> case. > >> One reason would be because the UI of the device only supports > >> numeric input. > > > > So, a SIP user (or anybody young enough to prefer IM > paradigm to phone > > paradigm) will use sip:[EMAIL PROTECTED] > > > > The old luddites with a PSTN-looking phone will keep on > dialing digits > > on their phone. That's where the Tel URI is useful. > > > > The niche market for sip:[EMAIL PROTECTED];user=phone is very > > small. Beyond people on this mailing list, I really don't see who > > would care. I really believe that practically speaking, > > sip:[EMAIL PROTECTED];user=phone > > is meant to be used "on-the wire" as opposed to by users. > > > > sip:[EMAIL PROTECTED] ~= http://www.att.com > > sip:[EMAIL PROTECTED];user=phone ~= > > http://www.att.com/gen/landing-pages?pid=3308 > > > > I think we are rat-holing on imaginary issues. > > Perhaps. The above is a bit esoteric. A more realisic issue > is what to put in From, where at the moment you can't put > multiple choices. So I have to choose whether to cater to the > luddites or the young. (I'm not young, but I don't think I'm > *quite* a luddite. Just saddled with a lot of legacy stuff I > don't have the option of changing or am too cheap to change. > (I *am* cheap.)) > > At least with P-A-I you can put both a sip and a tel. The > alternative being explored on this list of including both in > normal sip signaling would solve that. > > Paul > _______________________________________________ Sip mailing list https://www.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
