Apparatus for controlling calls in a mobile communication system

Details Apparatus for controlling calls in a mobile communication system Apparatus for controlling calls in a mobile communication system

1988-04-12

1990-03-13

Lev, Robert

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H01M 126

Patent

active

049088483

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.

REFERENCES:
patent: 4232200 (1980-11-01), Hestad et al.
patent: 4251692 (1981-02-01), Waldman
patent: 4358640 (1982-11-01), Murray
patent: 4411017 (1983-10-01), Talbot
patent: 4511765 (1985-04-01), Kuo
patent: 4585904 (1986-04-01), Mincone et al.
patent: 4612419 (1986-09-01), Smith
patent: 4724537 (1988-02-01), Monet

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