One Way and Round Trip Delays Using Telephony In-Band Tones
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United States of America Patent
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Issued Date -
Jul 14, 2011
app pub date -
Jan 8, 2010
filing date -
Jan 8, 2010
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Abandoned
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Abstract
There is disclosed a method for measuring the delay between a source device and a destination device on a network. The source device may generate a timestamp and encode the generated timestamp as an in-band tone sequence. The source device may transmit the in-band tone sequence to the destination device. There is also disclosed a network device comprising a timer to generate a timestamp, a tone generator capable of encoding the timestamp as an in-band tone sequence and a tone transmitter to transmit the in-band tone sequence.
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