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List:       sip-implementors
Subject:    Re: [Sip-implementors] Refusing video stream in a SDP
From:       VARUN BHATIA <varuninbharti () gmail ! com>
Date:       2014-04-11 4:27:28
Message-ID: CAFi7Gbx4wMXm9oS6cv+ridxUj9EA4c+1g0Ht3Cp5=09btDNs=A () mail ! gmail ! com
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the first option is correct by making the port 0 we are indicating that
this is not supported.


On Fri, Apr 11, 2014 at 3:40 AM, Jean-Hugues Royer <jhroyer@joher.com>wrote:

> Hi,
>
>
> If you are receiving an INVITE with a SDP offer containing this video
> stream (along an audio stream not shown):
>
> m=video 6964 RTP/AVP 109
> a=rtpmap:109 H264/90000
> a=fmtp:109 profile-level-id=42800d
>
> And you want to decline the video stream, what is the right/best way to
> refuse it:
>
>
> 1.
> m=video 0 RTP/AVP 109
>
> port = 0, leaving the RTP dynamic codec 109 but no related rtpmap/fmtp.
>
>
> 2.
> m=video 0 RTP/AVP 109
> a=rtpmap:109 H264/90000
> a=fmtp:109 profile-level-id=42800d
>
> port = 0, leaving the RTP dynamic codec 109 including the corresponding
> rtpmap/fmtp in the offer.
>
>
> 3.
> m=video 0 RTP/AVP 34
>
> port = 0, changing the RTP codec to a known static one (H263).
>
>
> Regards.
>
> _______________________________________________
> Sip-implementors mailing list
> Sip-implementors@lists.cs.columbia.edu
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>



-- 
Regards,
Varun Bhatia
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