Re: [MMUSIC] SDPCapNeg : 2nd o/a via UPDATE?

[Bob Gilman <bob_gilman at comcast.net>]

Flemming-
Thanks for reminding me of the problem of old middleboxes.
I was thinking of the 1 of N codec selection problem in section
10.2 of RFC 3264.
-Bob
-------------------------------------------------------------
Bob Gilman        bob_gilman at comcast.net      +1 303 898 9780



Flemming Andreasen wrote:
> The second O/A exchange is technically speaking never needed; it's done 
> as a courtesy to any potential middle-boxes that may not understand the 
> SDP capability negotiations.
> 
> -- Flemming
> 
> Bob Gilman wrote:
>> I think it's always possible, using media capabilities, to frame
>> an offer such that there is no need for a second O/A exchange.
>> I'd be interested in seeing counterexamples.
>> -Bob
>> -------------------------------------------------------------
>> Bob Gilman        bob_gilman at comcast.net      +1 303 898 9780

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