On Fri, 2009-11-20 at 14:38 +0530, Siddhartha Singh wrote:
> I have running test scenario in which there  is sip dialogue established  & 
> them 
> short message (data) is send in V23 format in RTP stream.
>  
> I have to ckeck for conformance of transmission mode of V23 in RTP packet,
> We have fixed payload typed for G771 u law and a lab and we can verify
> this in RTP captures.
>  
> Please let me know if there is similar fixed payloadtype for V23
> transmission  in RTP also.

(You mean "V.23" don't you?)

The fixed payload numbers are listed in
http://www.iana.org/assignments/rtp-parameters, under "Registry Name:
RTP Payload types (PT) for standard audio and video encodings - Closed".
I don't see V.23 listed there.

The "fmtp" values for use in SDP allocating dynamic payload numbers are
listed on the same page, under "Registry Name: RTP Payload Format media
types".  I don't see V.23 listed there either.  So you will have to use
a private value, like "x-V23".

Dale


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