I think I explained why I can use 4xx of Re-INVITE, without making anything ambiguously.
The point is that do you agree that later UPDATE/200OK commit the target refresh.
| Gonzalo Camarillo <Gonzalo.Camarillo@xxxxxxxxxxxx>
2009-03-04 15:46 |
|
Hi,
> [Gao] I just wanted to say if UPDATE/200OK committed the target refresh,
> it should be free for 4xx of Re-INVITE.
I insist. You should re-read the draft. It explains why you should not
use 4xx response to cancel changes. The advantage of the approach in the
draft is that it does not require normative changes to already
implemented specs. It is more a BCP kind of spec. That is why its
backwards compatibility properties are good.
Cheers,
Gonzalo
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