Voice Quality MeasurementWith the increasing deployment of Voice over IP across enterprise companies and service providers, most industry experts agree that Fault and Performance Management is critical to the success of their VoIP deployments. However, there is some confusion or lack of consensus as to what call quality is and how to best measure it. For example:
- What's the difference between listening, conversational and transmission quality?
- What tests can network managers use to measure call quality?
- What's the "E Model?" How is it used?
- When should one use MOS scores? R Factors?
To this end, Telchemy, Incorporated has published a "Tech Note: Voice Quality Measurement" to answer these questions and more. The second in Telchemy's series of educational tech notes, "Voice Quality Measurement" describes commonly used call quality measurement methods, explains metrics in practical terms and describes acceptable voice quality levels for Voice over IP networks.
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