What is MOS (Mean Opinion Score)?

MOS (Mean Opinion Score) is a 1–5 rating of perceived call quality, where 4.0+ is considered good business-grade voice.

Silux Call reports per-call MOS in the dashboard so you can spot network problems before customers complain.

Also searched as: mean opinion score, voip call quality score.

See it in Silux Call.

UK business VoIP with a free seat tier. UK GBP, no contract.

Start 30-day free trial — no card

Related terms

Go deeper