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[Freeswitch-users] Audio quality


 
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csadi at hotmail.com
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PostPosted: Mon Jul 18, 2022 9:03 am    Post subject: [Freeswitch-users] Audio quality Reply with quote

Hello FS experts,

Resending the below - not sure what is causing the issue - there is sufficient system cpu and men




Sent from my iPhone

Quote:
On Jun 28, 2022, at 10:06 PM, Adiseshu Channasamudhram <csadi@hotmail.com> wrote

 Hello There,


I'm having the below audio issue and would really appreciate any help


Caller =======Carrier========FS SBC======IVR


When i took a packet capture on the FS, I could observe that the audio stream quality from IVR to SBC is really
good when compared to the audio quality stream between the SBC and the caller.


Bad quality => first syllable of certain words lost, choppy ...


Using PCMU 8K on both legs ...


Between SBC and IVR - Max Delta is 96ms, max jitter is 22.5
Between sbc and caller - max delta is 120 and max jitter is 9.5


Any suggestion or help would be greatly appreciated


Regards


A



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abalashov at evaristes...
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PostPosted: Mon Jul 25, 2022 5:07 pm    Post subject: [Freeswitch-users] Audio quality Reply with quote

I don’t think anyone can be sure of what is causing the issue. But you can make some effort to isolate it; does this happen with all callers? Does all your origination come from the same place (e.g. carrier)? Can you test a different origination provider and see if you get the same issue?

That’s a good way to figure out if it seems to be related to the system itself or to the network path to the caller.

— Alex

Quote:
On Jul 18, 2022, at 9:56 AM, Adiseshu Channasamudhram <csadi@hotmail.com> wrote:

Hello FS experts,

Resending the below - not sure what is causing the issue - there is sufficient system cpu and men



Sent from my iPhone

Quote:
On Jun 28, 2022, at 10:06 PM, Adiseshu Channasamudhram <csadi@hotmail.com> wrote


Hello There,

I'm having the below audio issue and would really appreciate any help

Caller =======Carrier========FS SBC======IVR

When i took a packet capture on the FS, I could observe that the audio stream quality from IVR to SBC is really
good when compared to the audio quality stream between the SBC and the caller.

Bad quality => first syllable of certain words lost, choppy ...

Using PCMU 8K on both legs ...

Between SBC and IVR - Max Delta is 96ms, max jitter is 22.5
Between sbc and caller - max delta is 120 and max jitter is 9.5

Any suggestion or help would be greatly appreciated

Regards

A

_________________________________________________________________________

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@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@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
https://freeswitch.com

--
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.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@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@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
https://freeswitch.com
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