Re: Comment on DERIVE and B2BUAs

Paul Kyzivat <[email protected]>
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>
The original draft for INFO (like most from that time) were pretty 
loosely worded. That is part of the trouble. So its been necessary to 
interpret intent.

It seems clear that the original definition was intended to convey 
information that was closely tied to the session. Without a session that 
doesn't make sense.

The current effort to clarify this (the info package work submitted by 
Eric Burger, and subject to vigorous debate recently) will certainly 
nail it down further. That is proposing to *negotiate* the packages to 
be delivered, and the negotiation takes place within the invite dialog 
usage. (Much like offer/answer.) This ties INFO more closely to the session.

If you have an application for INFO outside of the invite dialog usage, 
then you could submit a draft proposing that. I wouldn't recommend doing 
so. It wouldn't be well received.

	Thanks,
	Paul

Iñaki Baz Castillo wrote:
> El Sábado, 1 de Noviembre de 2008, Paul Kyzivat escribió:
>> See RFC 5057.
> 
> I promise I'll read it entirely, but in a fast read I don't find what you 
> could suggest, just considerations about dialog forming.
> Could you please point to me what exactly you mean? Perhaps that INFO 
> shouldn't be used as an initial request?
> 
> Thanks a lot.
> 
> 
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