Re: [rtcweb] Plan A, respun

Colin Perkins <csp@csperkins.org> Fri, 10 May 2013 18:59 UTC

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From: Colin Perkins <csp@csperkins.org>
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Subject: Re: [rtcweb] Plan A, respun
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On 10 May 2013, at 17:39, Cullen Jennings wrote:
> On May 8, 2013, at 4:33 AM, Colin Perkins <csp@csperkins.org> wrote:
>> I agree: the PT was never intended to be used as a demultiplexing point for different flows in RT
> 
> I'm not sure I really agree on this point. Lots of implications use the PT along with the port received on to decide which codec to pass to the RTP packet on to. I think, in practice, the PT has been a very key demux pony for a  long time in RTP. 


To identify the codec, sure, that's what the PT is designed to do. That's logically separate to identifying the source, which is the role of the SSRC.

-- 
Colin Perkins
http://csperkins.org/