Voice Quality Testing

Verify voice quality before it impacts revenue

Measure the real end-to-end voice experience across routes, suppliers, and networks. CSG Assure Voice Quality Testing helps you identify poor-quality paths, compare performance objectively, and protect customer experience fast.

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Test call quality the way your customers experience it

Live traffic analysis only captures signaling parameters, not the actual voice stream. CSG Assure Voice Quality Testing measures the true end-to-end caller experience using MOS and POLQA, so you can detect quality issues earlier, compare suppliers more accurately and make better routing decisions.

Protect service quality: Measure perceived call quality using MOS and POLQA plus additional indicators such as noise, speech level, jitter, and packet loss.
Improve supplier decisions: Test your current and prospective suppliers against the quality KPIs that matter most to your business.
Move quickly: Get up and running fast with one-week implementation and a global testing footprint across fixed and mobile networks.

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Test, compare, and improve voice quality at scale

Gain objective insight into route and supplier performance, so you can validate customer experience, protect premium traffic, and act faster when quality drops.

Measure the real voice experience

Verify end-to-end call quality using mean opinion score (MOS), a recognized ITU-based measure of audio quality. Assure Voice Quality Testing also measures noise, speech level, jitter, and packet loss to give you a fuller view of route performance.

Protect premium voice services

Automatically verify the voice quality of premium service levels so you can identify weak routes early and reduce the risk of quality-driven traffic loss.

Understand the customer experience

Assess end-customer perception of call speech quality instead of relying only on signaling data that does not reflect the actual audio experience.

Improve route and supplier decisions

Identify routes with a stronger cost-to-quality ratio, validate whether carriers are meeting agreed service levels, and select suppliers based on measurable KPIs tied to service quality.