El Wednesday 20 August 2008 16:29:22 Jagan Mohan escribió:
> Hi All,
>
>    I would like to know whether a B2BUA can insert the SIP Methods it
> support in the Allow header, when a SIP call is made between two UAs
> through the B2BUA.
>
>    If yes, then I have query on the following call flow:
>
>     UAC ---- B2BUA ---- UAS.
>
>     Say, UAC and B2BUA support UPDATE method. And UAS does not support
> UPDATE method.
>
>     If an UPDATE request for codec change is received from UAC within an
> early dialog, then what should be the Error response from B2BUA? Here,
> B2BUA is aware that UAS does not support UPDATE method from the reliable
> provisional response. So, it should not forward the UPDATE request to the
> UAS.

Shouldn't B2BUA reply "405 Method Not Allowed" ot the UAC when it sends the 
UPDATE?



-- 
Iñaki Baz Castillo
[EMAIL PROTECTED]

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