Iñaki,

Note that specifying a=recvonly gives a receive the video without 
sending any. But in that case you are still expected to send rtcp.
If you want to avoid that too, then you should specify c=0.0.0.0.

        Thanks,
        Paul

Iñaki Baz Castillo wrote:
> 2010/3/19  <sunilkumar.ve...@wipro.com>:
>> Hi,
>>
>> Yes, Bob can accept, but to decode Video Bob system must be capable of 
>> decoding the codec offered in Video SDP.
> 
> This is common. A softphone is usually able to render an incoming
> video stream, but a webcam is required to sent video :)
> 
> 
>> He can answer with Send Recive for audio and Receive only for Video.
>>
>> As per offer answer RFC, an offer with "sendrecv" media stream can be 
>> answered with "recvonly", "sendonly" ,"inactive"
>> Based on far ends capability.
> 
> Ok, I understand now, thanks a lot.
> 
> 
> 
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