Telephone dialing system

Details Telephone dialing system Telephone dialing system

1987-08-17

1989-03-28

Lev, Robert

Telephonic communications

Supervisory or control line signaling

Substation originated

379 91, 379 63, H04M 126

Patent

active

048171360

ABSTRACT:
A telephone dialing system which utilizes a calling card having party identification information thereon as well as a telephone number digitally encoded thereon. The calling card is capable of being inserted into a dialing unit which will automatically dial the telephone number encoded on the calling card. The dialing unit automatically determines whether or not the area code included within the telephone number is to be dialed or disregarded. In addition, the dialing unit will automatically determine whether or not additional digits are to be generated for dialing of the telephone number on the card.

REFERENCES:
patent: 4126768 (1978-11-01), Grenzow
patent: 4332985 (1982-06-01), Samuel
patent: 4521648 (1985-06-01), Hegi
patent: 4535204 (1985-08-01), Hughes et al.
patent: 4677657 (1987-06-01), Nagata et al.
patent: 4734928 (1988-03-01), Weiner et al.
Weinstein, S. B., "Smart Credit Cards: The Answer to Cashless Shopping", IEEE Spectrum, 2/84, pp. 43-49.

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