Subject: RE: [rohc] ROHC Implementation : Determining an RTP packet

From: "Peter Kremer (ETH)" <[email-masked]>
Date: Wed, 3 Apr 2002 08:54:03 +0200

Hi,

> And RTP does not have a protocol number. Therefore how does a ROHC
> implementation determine if the payload carried by UDP is RTP 
> packet or
> not?
It's based on the profile number.
If profile == 1 then the UDP payload contains an RTP packet.
If profile == 2 then the UDP payload is something else.

/Peter

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