On 30 Nov 2004, at 14:56, PUYDT Julien wrote:
Le mardi 30 novembre 2004 � 15:34 +0000, Richard Dobson a �crit :
No: when I'm DnD for IM, then certainly I'm DnD for VoIP (also known as
"away"). But when I'm in a voip call, I'm certainly still able to read
IM messages: this is a presence information, and it can't be guessed
from the IM presence.
Ah but the presence stanza is intended to indicate your IM presence not your
phone presence if that is something separate, if you really do need to
express your VoIP presence info separately then you must keep it separate
from the IM presence by not using the <presence/> stanza, what you need to
look at using is pubsub instead.
Gaim puts "jabber:x:delay" information in presence... why couldn't it put a voip-uri?
I think what other people were not communicating correctly is that it *is* possible to put voip-url in presence, but it is *not* the desirable solution because not all clients want that information.
Of all the packets sent by Jabber, the <presence> packets are repeated and resent the most--so including extra information in everyone's <presence> packet greatly increases the network bandwidth demands--which would be ok except for the fact that very few people want the voip information, so it's a waste.
This is why things like having the currently-playing song in the <presence> are not a good idea--you end up resending presence every time a song changes, which adds up to a lot of wasted bandwidth, especially for mobile users who don't care that the song you're listening to changed.
Julian
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