asterisk users - Aug 2023 - Question on the RTP packet header

I am working on a project that uses Asterisk ARI ExternalMedia request to stream
the RTP audio from Asterisk to an UDP/RTP receiver project.

Using slin16 format.

1) I believe I am seeing is a 12-byte header followed by 640 bytes of data.  Is
this correct?
2) Is there some place I can find a description of the 12-byte packet header
fields?

Dan
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Hi Dan,

Your best bet for looking at RTP media specifics is the standards that 
define RTP.

Wikipedia has some really good resources on RTP and a list of the 
various RFC standards that relate:
https://en.wikipedia.org/wiki/Real-time_Transport_Protocol



On 8/28/23 11:16, Dan Cropp wrote:
>
> I am working on a project that uses Asterisk ARI ExternalMedia request 
> to stream the RTP audio from Asterisk to an UDP/RTP receiver project.
>
> Using slin16 format.
>
> 1) I believe I am seeing is a 12-byte header followed by 640 bytes of 
> data.  Is this correct?
>
> 2) Is there some place I can find a description of the 12-byte packet 
> header fields?
>
> Dan
>
>
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