Klaus Darilion wrote:
Parsing the SDP does not give you the used codec as there may be several codecs in the SDP and you do not know which codec is used by the clients.
This is true for INVITE message but as I understand (but I'm not familiar with SIP), in the OK message, we can determine which codec is used. No?

But for example you can use mediaproxy. Mediaproxy allows you to retrieve the status of all current calls (codecs, bandwidth, ...)
Well, the mediaproxy module needs an external proxy server. So it seems to be too heavy for my needs. The real time session statistics (from MediaProxy Server) will be very useful but I'm not sure it's a good idea to use the server it if I don't need the NAT traversal features.

regards
klaus

Michel Bensoussan wrote:
Hello
For each voice session I need to know the used codec (for bandwith calculation). For that I need to parse the SIP message body.
I didn't find in OpenSER such a functionality.
Is there a module that doing that?
Or maybe someone is working on it?
A suggestion for an open source?

Thanks.

Regards,
Michel.



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