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Type Of Change

Documentation.

Description

A) offers OPUS + PCMU

B) answers PCMU

I do not want PCMU to be selected, I would like to endup transcoding :

A <-opus-> rtpengine <-pcmu-> B

If I understand correctly, this is what I have to set on the rtpengine_offer

codec-mask=opus codec-strip=PCMU codec-transcode=PCMU

rtpengine is removing opus from the offer before sending it.

The answer sent by rtpengine is as follows:

m=audio 10884 UDP/TLS/RTP/SAVPF 0 126
a=maxptime:150
a=mid:0
a=rtpmap:0 PCMU/8000
a=rtpmap:126 telephone-event/8000

for this to work, I would expect rtpengine to insert opus and remove pcmu ?

Answer :

That's what 'codec-accept` is for 

Try with `codec-accept-opus` and/or `opus-accept-opus/48000` in the offer.  That should be all that's needed (assuming reasonably recent version).

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3381

Commit Summary

1892944 rtpengine: doc add codec-accept with an example

File Changes

(1 file)

M src/modules/rtpengine/doc/rtpengine_admin.xml (33)

Patch Links:

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