Re: adding codecs to rtpengine

Fred Posner via sr-users <[email protected]>
Newsgroups gmane.comp.voip.ser
Message-ID <[email protected]>
> On Jun 3, 2025, at 4:31 PM, Jeff Brower via sr-users <[email protected]> wrote:
> 
> Hi all,
> 
> Is there a documented procedure for adding codecs to rtpengine ? As I understand it so far, we would adapt rtpengine encoder and decoder interfaces to the voplib API (documented at https://github.com/signalogic/SigSRF_SDK/blob/master/codecs_readme.md), allowing use of voplib shared object libs.
> 
> I've been searching (e.g. adding codecs to rtpengine site:kamailio.org) but have not found a step-by-step procedure yet.
> 
> Thanks for any advice / guidance.
> 
> -Jeff
> 

I’d recommend looking at the documentation for RTPengine itself:

https://rtpengine.readthedocs.io/en/latest/

As well as https://rtpengine.readthedocs.io/en/latest/transcoding.html#transcoding

"The following codecs are supported by rtpengine:
    • G.711 (a-Law and µ-Law)
    • G.722
    • G.723.1
    • G.729
    • Speex
    • GSM
    • iLBC
    • Opus
    • AMR (narrowband and wideband)
    • EVS (if supplied – see below)
“



Fred Posner
Tel: +1 (352) 664-3733
Alt: +1 (224) 334-3733

Contact info at https://fredp.xyz


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