3-Way call detection system and method
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United States of America Patent
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May 17, 2005
Grant Date -
May 15, 2003
app pub date -
Nov 12, 2002
filing date -
Nov 13, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed herein is a three-way call detection system and method for detecting the addition of a third party to a pre-existing telephonic connection between a first party and a second party. The system comprises a meter for measuring the amplitude of a line voltage of a telephonic connection between a first party and a second party.
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