VoIP call quality test results presented on the following pages are taken from Sevana VQM Solution doing SIP call quality assessment to arbitrarily chosen free test echo servers. In this particular example it was You are welcome to contact us and inquire a free live demonstration of Sevana VQM Solution. You can also read more about this solution from here.


No. Description Echo server Audio Regular check MOS PESQ %
1 – Chinese Male 2010-11-13 02:08:27 (60 sec.) 3.39 2.89 63.81
2 – English Male 2010-11-13 02:08:28 (60 sec.) 3.15 2.87 58.91

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