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Re: [Sip] INFO: A recap, sense of consensus and a proposal for direction.



Paul Kyzivat wrote:

> What do we use to decide on that scope? We need some use cases. Other
> than DTMF, do we have any? And for DTMF, do you know how to partition
> those cases that should use this technique from the other two standard
> techniques and N non-standard techniques?

We have the entire family of mid-call "telephony tunneling" events for
which we've previously agreed to use INFO as use cases.

I think the clear factor between scoping events to an INVITE dialog
(INFO) versus a SUBSCRIBE dialog is whether the events being reported
are completely bounded by an INVITE dialog. That is, they're what we
would have previously called "mid-call events".  If they have no
meaningful context before the INVITE or after the BYE, then they may be
reasonably considered to be INFO events.

--
Dean


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