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One Useful Way To Test VoIP Quality

Sage Instruments' 935AT was one of the key pieces in CT Labs' test setup for our IP Phone Reviews. It allowed us to:

  • Automate perceived speech quality tests (done with SMOS test);
  • Run a speech clipping/silence suppression test (done with PVIT test);
  • Check for comfort noise level (done with SMOS test);
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