[Jingle] Typo and possible clarification in XEP 0166

Peter Saint-Andre stpeter at stpeter.im
Tue Apr 21 11:38:21 CDT 2009

Hash: SHA1

On 4/20/09 5:10 PM, Justin Uberti wrote:
> On Mon, Apr 20, 2009 at 3:05 PM, Robert McQueen
> <robert.mcqueen at collabora.co.uk <mailto:robert.mcqueen at collabora.co.uk>>
> wrote:
>     Peter Saint-Andre wrote:
>     > No existing session
>     >
>     >     If there is no existing session and both parties
>     simultaneously send
>     > a Jingle session-initiate message, the action with the lower of
>     the two
>     > session IDs MUST overrule the other action, where by "lower" is meant
>     > the session ID that is sorted first using "i;octet" collation as
>     > specified in Section 9.3 of RFC 4790 [27].
>     Presumably Justin's issue is just about people audio calling each other
>     at the same time. So, this should probably contain wording about the
>     same content type(s). If I send you a file when you're calling me,
>     neither should fail. I almost wonder if this shouldn't be in the RTP
>     description XEP, given I can't think why the semantics are otherwise
>     desirable, and I do also wonder whether these semantics are specific to
>     RTP calling clients and should be carefully worded to avoid making
>     certain implementations (which do trunking or other call-switching
>     activities?) XEP-incompliant by design.
>     Regards,
>     Rob
> I mostly agree. I think the key thing here is that the conflict only
> occurs when the sessions are logically similar. This is the case for
> simultaneous audio or video calls, but could also be the case for other
> things like an invitation to play a game, establish a direct connection,
> etc. So I don't totally buy that this should go into the RTP XEP.

You're both right. The text about conflicts on session-initiate needs to
make clear that this is about "similar" sessions (where by "similar" we
mean that they have roughly the same contents). Let me see if I can come
up with some good wording about that.


- --
Peter Saint-Andre

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