rtp_jitter_buffer_during_bridge=true, all the stuff in OPUS to process, manage and deal with FEC requires a jitter buffer to process it.

/b

On Wed, Jan 26, 2022 at 12:16 PM David Villasmil <david.villasmil.work@gmail.com> wrote:

Hello all,

Wondering if anyone's seen this scenario:

With 15% packet loss, FEC enabled.

- sip -> pstn:

  -- We're seeing FEC out and in

  * client (OPUS) --> FS --> (PCMU/A) B-leg - Result: Choppy Audio

  * client (OPUS) <-- FS <-- (PCMU/A) B-leg - Result: Very good audio

  * client (OPUS) --> FS --> client (OPUS) - Result: Very good audio

  * client (OPUS) <-- FS <-- client (OPUS) - Result: Very good audio

It's like FS is ignoring the incoming FEC when transcoding.

I have a small jitterbuffer 20:100:20

Any ideas?

David Villasmil

email: david.villasmil.work@gmail.com

phone: +34669448337

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_________________________________________________________________________

The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
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Join our online community to chat in real time https://signalwire.community

Professional FreeSWITCH Services
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