You have to just play with the SDP media directions. follow SDP RFC only.

On Fri, Sep 7, 2012 at 9:33 AM, Xu, Fangpo <[email protected]> wrote:

> Hi, all
>
> I am doing a feature of call escalation and de-escalation.
> But I didn't find a RFC about this. Could anyone tell me if there is one?
> Or I just follow SDP RFC to reject/accept video media line?
>
> Thanks in advance!
>
> Best Regards
> fangpo
>
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-- 
-Ashwin.
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