Apparatus for controlling calls in a mobile communication system
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United States of America Patent
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Mar 13, 1990
Grant Date -
N/A
app pub date -
Apr 12, 1988
filing date -
Apr 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an mobile communication system having a transmitting and receiving unit, a control unit, and a handset in a mobile station, it is possible to fix a restriction against a use of a specific function of the mobile communication system, or it is possible to change a restriction against a use of a specific function of the mobile communication system after inputting a security code, enabling the use of only one kind of control unit in the handset.
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