On 9/9/11 2:56 AM, Abhishek Sahu wrote:
> Hello All
>
> I've one query regarding behavior of Record-Route. If Record-Route is present
> in SIP unreliable 18x response and UPDATE needs to be sent prior to receiving
> of 2xx response. So should the Route header for the UPDATE request be updated
> according to the Record-Route of 18x response? In this case the dialog has
> not been established yet.
Its impossible to send an UPDATE until an [early-]dialog has been
established.
Yes, the Record-Route needs to be used to construct the Route for the
UPDATE message.
Thanks,
Paul
> INVITE with Route------------------------>
> 180 with Record Route<-----------------------------------
> UPDATE-------------------------------->
>
> Regards
> Abhishek Sahu
> Aricent
>
>
>
>
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