[Freeswitch-users] OPUS Codec

Colton Conor colton.conor at gmail.com
Sat May 6 18:41:39 MSD 2017


So what does today support FEC/PLC today?

We tested two Polycom VVX phones with the opus codec, and overall thought
that G.722 sounded much better than OPUS for some reason.

So using Opus at 8 KHz, does that mean that there will be less or no
transcoding to G.711 since its also in 8 KHz?

What are most of the web only WebRTC companies using as far as OPUS goes?
What bitrate and KHz?

On Fri, May 5, 2017 at 8:33 AM, Brian West <brian at freeswitch.org> wrote:

> None of the hardware phones do FEC/PLC last I tested, Sonus has OPUS
> support, but again no FEC/PLC support.
>
> /b
>
>
> On Wed, May 3, 2017 at 2:16 AM, EL <fs.user at fordior.net> wrote:
>
>>
>> Yealink is supporting OPUS on several other models since firmware
>> V81:
>>
>> Quote:
>> "We will support opus on the standard V81 of
>> SIP-T40P/T23P/T23G/T2 1(P) E2/T19(P) E2."
>>
>> Source: http://forum.yealink.com/forum/showthread.php?tid=29650&pid=
>> 51262&mode=threaded
>>
>> I can confirm OPUS implementation on the 'T21P E2' model.
>>
>> --
>> EL
>>
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>
>
>
> --
>
> *Brian West*
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