Line control apparatus, line control method, and computer-readable storage medium
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 18, 2009
app pub date -
Nov 24, 2008
filing date -
Dec 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A line control apparatus having a first interface for connecting to a telephone line, a second interface for connecting to a facsimile apparatus, and a third interface for connecting to a telephone, includes: a first detecting unit that detects a calling signal transmitted from the telephone line and a second detecting unit configured to detect a signal from the telephone line, such signal having a voltage lower than a voltage that the first detecting unit can detect. In accordance with the second detecting unit having detected a signal from the telephone line, the control unit switches from a state wherein the first interface and the third interface are connected to a state of not being connected.
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