MOS Technology Brief - Mean Opinion Score Algorithms for Speech Quality Evaluation
Download Type: Application Notes and Technical Documents --> Mean Opinion Score (MOS) is commonly used to rate phone service speech quality, expressed on a scale from 1 to 5, where 5 is best. A score of 4 is normally considered “Toll Quality” for calls placed over PSTN/TDM networks. MOS is a function of many factors, including the type of network and codecs used, wiring and premises equipment, and even the handset used to place the call.
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SIP Loopback VoIP Testing Datasheet
Download Type: Application Notes and Technical Documents --> Reduce Truck Rolls Through Remote Fault Isolation with the SIP Loopback Test Agent
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PowerProbe 6000 & PowerProbe 500 Test Probes
Download Type: Application Notes and Technical Documents --> Measure the Human Perception of Service Quality with Versatile PowerProbes.
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