International speaker telephone

Details International speaker telephone International speaker telephone

1989-03-10

1991-05-07

Dwyer, James L.

Telephonic communications

With check operated control

At terminal station

379 88, 379143, H04M 1700

Patent

active

050143018

ABSTRACT:
The invention enhances a payphone by providing multilingual instructions to the user on how to complete a phone call. This is accomplished by providing a language directory listing at the payphone. Upon actuating the proper code for the language desired on the dial of the payphone, instructions will be given in that language.

REFERENCES:
patent: 4031324 (1977-06-01), Dudonis
patent: 4736405 (1988-04-01), Akiyama
H. P. Klausen, "Coin-Box Telephone", Ericsson Review, No. 2, 1983.

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