Sorry for missing one thing, UA1 is also a B2BUA who is doing 3PCC, UA1
is in-call with UA2, and UA1 initiates a late-offer invite session to B2BUA. If
B2BUA does not put 100rel in INVITE to GW, UA1 will send SDP from UA2 in ACK to
B2BUA upon receiving 200 with SDP from B2BUA, it works fine.
Af
The B2BUA has the burden of making things right here, and as shown it
did not. It should only be adding the Supported:100rel if it has a
workable strategy for generating PRACKs, because it is the element
responsible for doing so.
Its true that the offer in the 18x then requires an answer in the
On Fri, Dec 12, 2008 at 10:24 PM, kaiduan xie wrote:
> But how B2BUA generates SDP answer to be carried in PRACK?
>
Can replay the previously played SDP
>
>
> - Original Message
> From: Neelakantan Balasubramanian
> To: kaiduan xie ; "sip-implementors@lists.cs.columbia.edu"
>
> Sent
