Single telephone number calling method and calling apparatus...

Details Single telephone number calling method and calling apparatus... Single telephone number calling method and calling apparatus...

2003-03-21

2009-06-09

Addy, Thjuan K (Department: 2614)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S404100, C455S456100

Reexamination Certificate

active

07546112

ABSTRACT:
The present invention provides a calling method by a mobile unit. The mobile unit pre-stores a default dialing number, and has a database storing a plurality of primary dialing numbers. Each of the primary dialing numbers corresponds to one geographic location. When a user dials a calling number, the present invention tests if the calling number is identical to the default dialing number. If the calling number is identical to the default dialing number, the present invention retrieving one primary dialing number from the database based upon a current location of the mobile unit. Then, the present invention makes a telephone connection based on the one primary dialing number.

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