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

 

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