Hi Roderick,

OpenSIPS itself can not do transcoding. Even so, you can use the sngtc module (Sangome transcoding) that allows OpenSIPS to talk to a Sangoma card for doing the transcoding.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 05.06.2015 15:16, Roderick Hodgson wrote:
Dear Group,

I have openSIPS installed on server A. I am currently using a set of rules to route certain calls over to a SIP trunk (server B). I'm doing this by using rewritehostport(server B) for the relevant invite requests.

The signalling now works fine, and the media streams from the endpoint straight to server B.

Now I'd like the endpoints to transmit the media data to each other via some sort of relay server instead (where I'll be transcoding from Opus to G711 amongst other things). I was wondering if I could do so with OpenSIPS? (the signalling, not the transcoding).

My guess would be that OpenSIPS would have to rewrite both SDPs in some way? Would this be a valid approach? Is that something OpenSIPS can do?

Many thanks,

Roderick


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