Systems and methods for restricting the use and movement of telephony devices
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United States of America Patent
Stats
-
Aug 14, 2012
Grant Date -
Jun 7, 2007
app pub date -
Dec 12, 2006
filing date -
Jul 15, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods for restricting the use and movement of telephone system devices are presented. The system includes an interface configured to allow telephone calls to a limited set of telephone numbers or area codes. The interface may be configured to detect a number during a call attempt and compare the number to a stored sequence list of allowed numbers. If the detected number matches one of the allowed numbers, the call attempt is allowed to continue. However, if the detected number does not match a number in the stored sequence list, the call attempt is blocked. The interface may also be configured to restrict the movement of a cellular telephone based on received location data, configured with a physical lock to prevent removal from a docking station, or configured to generate a locking signal inhibiting use of the telephone after it has been moved greater than the predetermined distance.
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