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Ditech Networks' Experience Intelligence (EXi) solution has been used by 16 mobile service providers around the world to assess voice quality.
Ditech's solution quantifies voice quality problems caused by the caller's environment and by mobile devices. The software unobtrusively assesses voice quality on live mobile calls to derive an R-Factor and a Mean Opinion Score (MOS), which are commonly used standards in the telecommunications industry. When combined with existing voice quality tests, EXi completes the picture of voice quality as it is actually experienced by subscribers, by adding to the partial view already provided from network-induced impairments.
http://www.ditechnetworks.com/
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