Hello,

with this command:

rtpengine --codecs

                PCMA: fully supported
                PCMU: fully supported
                G723: fully supported
                G722: fully supported
               QCELP: supported for decoding only
                G729: supported for decoding only
               speex: fully supported
                 GSM: fully supported
                iLBC: not supported
                opus: fully supported
              vorbis: fully supported
                 ac3: fully supported
                eac3: fully supported
              ATRAC3: supported for decoding only
             ATRAC-X: supported for decoding only
                 AMR: fully supported
              AMR-WB: fully supported
           PCM-S16LE: fully supported
                 MP3: fully supported

you can see the list of codecs are supported or not and how use them

Regards

---
I'm SoCIaL, MayBe
El 19/02/2018 a las 05:48, Denys Pozniak escribió:
Hello!

Small note.
In case of opus use: codec-transcode-opus (opus is lowercase).

On 17 February 2018 at 02:53, Richard Fuchs <rfuchs@sipwise.com> wrote:
On 2018-02-16 07:55 PM, Carsten Bock wrote:
Hi,

Quick (and simple) question:

Can someone provide a working RTPengine request, to enable Transcoding?

I know, this is possible, but I thought before looking into deep, how this should be configured for the rtpengine_offer() command, could someone provide an example?

It's pretty straight forward.

Example: A offers some SDP to B.

Let's say you think B probably speaks PCMU, so you want to make sure to offer it, even if A didn't offer it: forward transcoding. Add `transcode-PCMU`.

Let's say you also know B is allergic to PCMA, so you want to remove it from the offer to B, but still be able to speak it to A: backward transcoding. Add `codec-mask-PCMA`.

These two cases are really independent of each other, but can be combined.

Full example with some other options:

rtpengine_offer('ICE=remove rtcp-mux-demux codec-mask-PCMA transcode-PCMU')

Simple!

Cheers

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BR
Denys Pozniak


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