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Audio MOS

Ensure audio quality using an industry MOS scoring

Audio MOS

Product Overview


SmartViser allows you to fully test Audio MOS in any technology 2G, 3G, 4G, 5G, VoIP, VoLTE, VoWifi using POLQA algorithm. The Audio MOS solution works on Audio MOS and OTT like Skype, Viber, WhatsApp etc.

It works as an additional option of viSer test engine where user actions like calls can be automatically performed and results are sent to VWS

MOS calculation is provided by Polqa reference algorithm from Opticom company

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Replay Recorded audio samples from VWS web interface

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Correlate MOS with other recorded information from viSer like signal strength and quality, handover, location, temperature etc)

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Use Cases


  • Downlink Audio MOS 

  • Uplink Audio MOS

  • Uplink/Download Audio MOS

  • End to End Audio MOS

  • Cellular and OTT


Audio MOS automatically calculated with option to replay

Available for iOS and Android

Resources and Time saving

Device (HW) Agnostic 

Adopted solution by Mobile Operators and manufacturers