Apparatus and method of registering home-zone location in...

Details Apparatus and method of registering home-zone location in... Apparatus and method of registering home-zone location in...

2007-03-27

2007-03-27

Urban, Edward F. (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S440000

Reexamination Certificate

active

09632995

ABSTRACT:
An apparatus and method used in a home-zone location registering process in a portable telephone which allows a different charging rate to be applied to a subscriber based on whether the call connection is made within the home-zone area. According to the method, the portable radio telephone stores the home-zone list therein and determines whether the portable telephone deviates from the home zone area, then the portable radio telephone automatically performs the location registration process when the deviation is detected.

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patent: 0915631 (1999-05-01), None

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