[Freeswitch-users] OPUS - is FS ignoring incoming FAC packets?

Brian West brian at freeswitch.com
Thu Jan 27 12:37:27 UTC 2022


If it's too small, it won't have enough data if a packet is lost in every
case depending on latency and jitter.

On Wed, Jan 26, 2022 at 3:17 PM David Villasmil <
david.villasmil.work at gmail.com> wrote:

> looks like this was it, i had a very small jb configured
> Regards,
>
> David Villasmil
> email: david.villasmil.work at gmail.com
> phone: +34669448337
>
>
> On Wed, Jan 26, 2022 at 6:33 PM Brian West <brian at freeswitch.com> wrote:
>
>> 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 at 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 at gmail.com
>>> phone: +34669448337
>>> _________________________________________________________________________
>>>
>>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
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>>
>>
>>
>> --
>>
>> Brian West | Co-founder and Developer
>>
>> Need Commercial support? email sales at freeswitch.com
>>
>> FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
>> <https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>
>>
>> Email: brian at freeswitch.com
>>
>> Mobile: 918-424-9378
>>
>> Website: https://www.FreeSWITCH.com <https://www.freeswitch.com/>
>>
>> [image: https://www.facebook.com/signalwireinc?src=email]
>> <https://www.facebook.com/freeswitch> [image:
>> https://twitter.com/freeswitch] <https://twitter.com/freeswitch>
>> _________________________________________________________________________
>>
>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>> services.
>> Build your next product on our scalable cloud platform.
>>
>> Join our online community to chat in real time
>> https://signalwire.community
>>
>> Professional FreeSWITCH Services
>> sales at freeswitch.com
>> https://freeswitch.com
>>
>> Official FreeSWITCH Sites
>> https://freeswitch.com/oss
>> https://freeswitch.org/confluence
>> https://cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> https://freeswitch.com
>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> https://freeswitch.com



-- 

Brian West | Co-founder and Developer

Need Commercial support? email sales at freeswitch.com

FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
<https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>

Email: brian at freeswitch.com

Mobile: 918-424-9378

Website: https://www.FreeSWITCH.com <https://www.freeswitch.com/>

[image: https://www.facebook.com/signalwireinc?src=email]
<https://www.facebook.com/freeswitch> [image:
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