Full duplex voice path capture buffer with time stamp
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United States of America Patent
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Apr 29, 2008
Grant Date -
Sep 18, 2003
app pub date -
Jan 6, 2003
filing date -
Mar 12, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
For diagnostic and trouble-shooting purposes, an audio/voice signal capture mechanism is adapted to be interfaced with a time division multiplexed (TDM) transport path-cascaded echo canceler and compression arrangement for an integrated access device (IAD). The audio/voice signal capture mechanism captures a `snapshot` of the audio/voice signals by storing a prescribed number of seconds of audio/voice path signals transmitted in both directions through the IAD, and time stamping the captured audio/voice signals and associated signaling events of interest. In this way, the invention operates as a `virtual` oscilloscope, as it is able to capture pertinent data for any voice call problem along with an associated time stamp event log.
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