Cellular telephone unit capable of automatic interaction with au

Details Cellular telephone unit capable of automatic interaction with au Cellular telephone unit capable of automatic interaction with au

1989-12-01

1990-10-16

Brown, Thomas W.

Telephonic communications

Call or terminal access alarm or control

Fraud or improper use mitigating or indication

379 40, 379 59, 379 63, 379 89, 379355, H04M 127, H04M 166, H04M 350, H04M 1100

Patent

active

049641565

ABSTRACT:
A cellular telephone unit includes logic circuitry programmed automatically to initiate a check of a tlephone-accessible audio-response system (e.g., a voice mailbox system) upon power-up of the telephone unit. The programming of the logic circuitry treats any number entered by the user during the check that does not correspond to the preprogrammed voice mail account number as a command, and thereupon discontinues the check and processes the command.

REFERENCES:
patent: 4160124 (1979-07-01), Law
patent: 4720855 (1988-01-01), Ohnishi et al.
patent: 4747124 (1988-05-01), Ladd
patent: 4782521 (1988-11-01), Burtlett et al.
patent: 4853952 (1989-08-01), Jachruaun et al.

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