Will Quan wrote:
> Is it acceptable for a gateway to send a 183 without SDP and then one second
> later send another with SDP?--will
If the first 183 is *unreliable*, then yes.
If the first 183 is *reliable*, and the SDP in the 2nd 183 is an
*answer* then also yes.
If the UAS is the one sending an offer (because the UAC didn't), and
the first 183 is *reliable*, then it must contain an offer.
Paul
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