See below.

Thanks,
Neel.
________________________________________
From: [EMAIL PROTECTED] [EMAIL PROTECTED] On Behalf Of Iñaki Baz Castillo 
[EMAIL PROTECTED]
Sent: Friday, November 28, 2008 9:31 AM
To: sip-implementors@lists.cs.columbia.edu
Subject: [Sip-implementors] Different SDP in same early-dialog (same To_tag)

Hi, I'm 100% sure that an UAC receiving two different SDP's during the same
early-dialog (SDP_1 in 183 and SDP_2 in 200) should ignore/discard the second
SDP_2.

>>> This is not allowed from the same UAS.  The offer/answer is atomic.  If the 
>>> endpoint want to change the >>> SDP, I have seen few endpoints change the 
>>> To tag and send a different SDP_2 in 200 OK.  So, to the >>> UAC it is a 
>>> forked response.

But could I know in which section of RFC 3261 (or other) is it specified? I
don't remember it now...

Thanks a lot.


--
Iñaki Baz Castillo

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