<p>You can have SIPP UAC plays Rtp , SIPP UAS Echo back , then compare number of packets. </p>
<div class="gmail_quote">On Feb 2, 2011 10:34 AM, "David Ponzone" <<a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a>> wrote:<br type="attribution">> A common way to test audio quality is to have a device (sipp for instance) calling your FS and playing a known audio file.<br>
> FS would then record it and then, by comparing the recorded and the original one and using some signal processing, you can compute a MOSPESQ figure.<br>> <br>> David Ponzone Direction Technique<br>> email: <a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a><br>
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> <br>> <br>> <br>> <br>> Le 02/02/2011 à 19:25, Marc De Corny a écrit :<br>> <br>>> Hi all,<br>>> I am thinking of a way of testing the quality of a voice call. <br>>> <br>>> Ideally i would like to create a call from FS with a loopback parameter that tells phone to answer the call automatically and loopback the RTP. This is a common functionality in most phoned (for example cisco)<br>
>> The sent and received packets could be compared for jitter, latency and packet loss and a result extracted.<br>>> <br>>> Does this already exist? I know there some specific tool that accomplish this bit they are expensive and awkward to use. Starting and retrieving the result from an api would be fantastic.<br>
>> <br>>> Any ideas are welcome.<br>>> Thanks<br>>> Marc<br>>> _______________________________________________<br>>> FreeSWITCH-users mailing list<br>>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
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