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Re: [Question #229419]: What protocol number should be for RTP header compression


Question #229419 on rohc changed:

    Status: Open => Answered

Didier Barvaux proposed the following answer:

The profile ID is specified in the first ROHC packets (IR type). The
decompressor associates the profile with the contest ID (CID). Then next
ROHC packets contain the CID only.

The first paragraphs of RFC 3095 are worth reading for general
information about ROHC principles.


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