Comprehensive automatic directory assistance apparatus and metho

Details Comprehensive automatic directory assistance apparatus and metho Comprehensive automatic directory assistance apparatus and metho

1984-09-17

1986-08-26

McElheny, Jr., Donald

179 617, 179 18B, H04M 342

Patent

active

046084606

ABSTRACT:
A comprehensive automatic directory assistance apparatus includes a means for receiving information from a caller via a specified number of DTMF signals, means for identifying another subscriber from the signals, means for vocally conveying information relating to the other subscriber to the caller and means, selectable by said caller, for connecting the caller with the other subscriber.

REFERENCES:
patent: 3728486 (1973-04-01), Kraus
patent: 3793487 (1974-02-01), Kilby
patent: 4152547 (1979-05-01), Theis
patent: 4320256 (1982-03-01), Freeman
patent: 4327251 (1982-04-01), Fomenko et al.
patent: 4357493 (1982-11-01), Anderson et al.
patent: 4420656 (1983-12-01), Freeman
patent: 4475013 (1984-10-01), Lee et al.
patent: 4518827 (1985-05-01), Sagara

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