Apparatus and methods for managing billing information in digital portable cordless telephone
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United States of America Patent
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May 25, 2004
Grant Date -
N/A
app pub date -
Sep 21, 1998
filing date -
Sep 19, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods for managing billing information in a digital portable cordless telephone are provided. An illustrative embodiment of a method for managing billing information of call services in a digital portable cordless telephone having a non-volatile memory comprises the steps of: calculating a service charge for a call service when a completion of the call service is sensed; and storing the calculated service charge in a memory location of the non-volatile memory corresponding to a specified address. The method may further comprise the steps of: searching for an address of the non-volatile memory linked to the specified address at which the calculated service charge is stored; and storing a telephone number associated with the call service in a memory location of the non-volatile memory corresponding to the searched address.
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