Monitoring voice over internet protocol (VoIP) quality during an ongoing call
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United States of America Patent
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Jul 5, 2016
Grant Date -
Jan 28, 2016
app pub date -
Jan 30, 2015
filing date -
Jul 22, 2014
priority date (Note) -
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Abstract
A method for calculating a mean opinion score (MOS) during an ongoing Voice over Internet Protocol (VoIP) call is provided. The method may include determining a time delay between a VoIP source and a VoIP destination connected by a communications network. A start recording message is sent from the VoIP source to the VoIP destination. A first recorded call sample from the VoIP source and a second recorded call sample from the VoIP destination are generated, whereby the first and the second recorded call sample are generated with a recording delay value corresponding the determined time delay for synchronizing the first and the second recorded call sample. Using an intrusive call quality measurement, a first MOS value is calculated based on the first and the second recorded call sample. Using a non-intrusive call quality measurement, a second MOS value is calculated based on the first MOS value.
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