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Home > Archive > Voice Over IP in UK > April 2006 > voice quality
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| pezetpl@wp.pl 2006-04-20, 6:55 pm |
| Hi !
Does anyone know free software, to measure voice quality in MOS scale
(P.800, PSQM, or whatever)? I spent a lot of time on google but didn't
find anything free  . It would be nice if it could measure jitter
packet loss echo delay etc ...
Thanks for any advice.
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| Tim Bray 2006-04-20, 6:55 pm |
| pezetpl@wp.pl wrote:
> Hi !
>
> Does anyone know free software, to measure voice quality in MOS scale
> (P.800, PSQM, or whatever)? I spent a lot of time on google but didn't
> find anything free . It would be nice if it could measure jitter
> packet loss echo delay etc ...
Ethereal on the receiving end can produce pretty graphs and statistics.
Not much use for large scale monitoring though.
Tim
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| Darren J Longhorn 2006-04-24, 7:56 am |
| On 18 Apr 2006 12:59:48 -0700, pezetpl@wp.pl wrote:
>Hi !
>
>Does anyone know free software, to measure voice quality in MOS scale
>(P.800, PSQM, or whatever)? I spent a lot of time on google but didn't
>find anything free . It would be nice if it could measure jitter
>packet loss echo delay etc ...
There are web sites that try to predict what MOS you will get if you
made a voip call to various destinations. Would that help, or you
trying to take measurements of actual calls?
In case they're useful:
http://www.testyourvoip.com/
http://www.3sqm.com/onlinetest/
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| pezetpl@wp.pl 2006-04-29, 7:11 am |
| Hi !
I try to find out MOS in my intranet. I've find some free tools for
voip, but they actually evaluate number for calls ( for SIP, H3232 etc)
not for voice quality.
Thanks for links.
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