If it *was* there, you wouldn't be able to consider it a true offer, since that must be in a reliable request or response. It would have to be a hint of the offer to come. I don't find any language that explicitly *prohibits* this. But in the absence of anything suggesting it might be valid you would be best to not count on it.
Paul
Steven Egan wrote:
Hi Paul,
So you are saying that when an INVITE is sent with no offer, a 183 with SDP can be sent in response?
Can you point me to where exactly this is documented please, as my problem is I cannot find anything in RFC 3261 or any other documentation
to confirm expected behaviour for the 183?
Cheers,
Steven
Paul Kyzivat wrote:
Steven Egan wrote:
Hi,
Is it valid to include the SDP in a non reliable 183 sent in response to an Invite with no initial offer?
It is ok to include the SDP in the 183 when the Invite contains the initial offer, but RFC 3261 is not clear as to whether the SDP can be included when no offer is included in the initial invite.
I believe the answer is YES. The *same* SDP should be sent in the first reliable response.
Paul
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