[Freeswitch-users] Timing issues with Verto, SIP client works fine

[Gregor Nanger]

Try set <param name="timer-name" value="none"/> in verto.config

On Thu, 18 Jun 2020 at 22:43, Support from NetworkedAudio LLC <
support at naud.io> wrote:

> Windows Server 2016.
> ------------------------------
> *From:* FreeSWITCH-users <freeswitch-users-bounces at lists.freeswitch.org>
> on behalf of Gregor Nanger <gregor at infomedia.si>
> *Sent:* Thursday, June 18, 2020 12:22 PM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] Timing issues with Verto, SIP client
> works fine
>
> On which OS is FS installed?
>
> On Thu, 18 Jun 2020, 18:59 Support from NetworkedAudio LLC, <
> support at naud.io> wrote:
>
>> Have done some more testing - the issue appears to be that packets are
>> dropped or a timing resync happens when connecting to PortAudio through the
>> dialplan.
>>
>> Tests:
>>
>> Soft phone (MicroSIP) > Conference > Verto (on Chrome) - sounds great.
>> Verto (on Chrome) > Conference > Verto (on Chrome) - sounds good, some
>> crunchiness, some drops.
>> Soft phone (MicroSIP) > PortAudio > external system > PortAudio > Verto
>> (on Chrome) sounds pretty good.
>> Verto (on Chrome) > PortAudio > external system > PortAudio > Verto (on
>> Chrome) sounds quite poor, lost words.
>>
>> External system is 48KHz and PortAudio > external system > PortAudio
>> sounds perfect.
>>
>> Recordings of the above are at https://bit.ly/3EFFyb0
>>
>> Jitter buffers aren't making any difference and the timer_test shows good
>> numbers. All are using the Opus CODEC.
>>
>> Any other ideas, please ?
>>
>>
>>
>> ------------------------------
>> *From:* Support from NetworkedAudio LLC
>> *Sent:* Wednesday, June 10, 2020 2:35 PM
>> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>> *Subject:* Timing issues with Verto, SIP client works fine
>>
>> Hi all,
>>
>> We're using VERTO in an intranet application.
>>
>> If we do anything other than an echo test, we get dropouts on bridge (to
>> SIP phone or PortAudio), which either drops whole sounds (count
>> 1,2,4,5,7,8) or slurs ("se-even").
>>
>> This happens with MS Edge (worse) and Chrome (better), with PCMU and OPUS.
>>
>> Turning off audio processing (googEcho...) has no effect. Changing
>> RTP_TIMER from SOFT to NONE seems to make the dropout more random. It's not
>> a network bandwidth issue - this can happen across a gigabit link.
>>
>> Using exactly the same computers and headsets but using MicroSIP,
>> everything is perfect.
>>
>> Have tried jitterbuffers, but they don't help (as it's not a delay issue)
>> - it really feels like a timing problem going from Verto into the rest of
>> the system.
>>
>> Where should I look now? Have tried 1.10 but no change.
>> _________________________________________________________________________
>>
>> 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
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>>
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>>
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>
> _________________________________________________________________________
>
> 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



-- 
Gregor Nanger

*CTO*
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