[Per Keith's suggestion starting a new thread, copied from last one]
Yes Paul, that is what I was trying to get at.
Sorry if all this was already discussed and closed.
Do we have a comaparitive between the two approaches from past?
The reason I brought it out was that there are several similarities in where
we are going with info events and 3265.
I hope we do not undermine the usage of SIP events.
As an example if one comes up with a brand new application that has some
small data to be transferred between UAs and the session is INVITE based
then which approach should one take? Will we have clear guidelines or leave
it open?
IMHO overlapping semantics is also not very good for interoperability.
Is the legacy (mis)use of INFO the most compelling reason for this approach
of bringing it into proper framework?
again apologies for repetition.
regards
nasir
-------------------------------
I'm not certain I understand the point you are making.
Is it that we don't need info events because we could accomplish the same
thing using subscriptions to suitable event packages?
If that is your point, we have been down that path already. Many of us have
taken that position in the past (and may still believe it today), but there
were many arguments that that approach is to heavy weight. Evidence of that
is the continued use of info for DTMF even though we have an event package
for that.
Paul
Nasir Khan wrote:
Maybe it warrants a separate thread but I would like to discuss section
7.1.3 of this draft where 3265 is talked about as an alternative.
Since we are talking about the notion of well defined info packages and the
INFO messages
will carry information as a result of an event like an ISUP event or DTMF
event (the name of the draft itself has "event" in it), then the two User
Agents can very well subscribe to these events and use the notifications for
the information exchange.
This will automatically inherit all the good work done around notification
framework and will lay to rest lot of questions and perhaps save some
re-invention.
Regards
Nasir
--
Get the most comprehensive open source SIP application testing framework at
http://sipper.agnity.com
_______________________________________________
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
