Ususally a proxy only forwards messages. But if your really want to change the SDP (for example to remove bad codecs or to raise the priority of low bitrate codecs), take a look at the nathelper module. This module already changes the sdp. I'm sure its easy to make the necessary extensions.

You can also try to change the SDP by using the textops module. (don't forget to change the Content-length: header if you change the size of the SDP).

klaus

Evgeny Ivanov wrote:

Hi all,

Can someone tell me how to force what kind of codec should UA's uses. Asterisk allows to define what codec shuold be used. Can I do that with SER ?

Thanks for help

Regards

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