Significance of pt= on the pipe line

[Nicolas Dufresne]

Le 22 févr. 2017 5:28 PM, "Jerry Geis" <jerry.geis at gmail.com> a écrit :

I see pt=99 and pt=97 pt=96 on the command line examples. Are these numbers
arbitrary?


All payload type (pt) below 96 are predefined by rtp standards. 96 and more
are dynamically allocated. The signalling of the type is application
dependant (WebRTC, sip, rtsp etc.)

What is the significance?


They are used in the differentiation of the RTP packets.


Thanks

Jerry

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