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What is MOS Score?

MOS stands for Mean Opinion Score. MOS is a process by which the quality of a phone call is measured and scored between 1 and 5 — with 5 being the highest quality score.

MOS is a mathematical approach to call quality, and in the past was performed using human assessors seated in a quiet room.

n VoIP, it can be performed algorithmically with various codecs. G7.11u has received a 4.4 maximum score in the MOS scale, which is an “Excellent” rating, and is the baseline for Non-HD quality calls.

See why 100,000 companies trust Nextiva for VoIP service.

I'm a big fan of companies like Nextiva.

Steve Wozniak
Co-Founder of Apple

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Steve Wozniak

Co-founder at Apple

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Customer Experience

AI Capabilities

Automation & Productivity

Engagement Channels

Customer Experience

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Automation & Productivity

What is MOS Score?

See why 100,000 companies trust Nextiva for VoIP service.

I'm a big fan of companies like Nextiva.

Trusted by millions
of users daily

4.6/5

4.8/5

I’m a big fan of Nextiva

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Agent Tooling

AI Use Cases

Analytics

Architecture

Intelligent Routing

Journey Orchestration

Outbound Dialing

Platform

WEM Aspect

Versatile platforms powering your business with innovation and efficiency.

See more

For every industry, there’s a Nextiva solution

And for any size business.

Small Business

Enterprise

Deliver end-to-end personalized experiences at scale

What is MOS Score?

See why 100,000 companies trust Nextiva for VoIP service.

I'm a big fan of companies like Nextiva.

Trusted by millions of users daily

4.6/5

4.8/5

I’m a big fan of Nextiva

Get a (free) live demo

Download the NextivaONE app.

Desktop

Mobile

Trusted by millions
of users daily