Dual line adapter for telephone answering machine

Details Dual line adapter for telephone answering machine Dual line adapter for telephone answering machine

1985-05-28

1986-12-02

Dwyer, James L.

Telephonic communications

Multi-line or key substation system with selective switching...

Switching or supervision feature

379 82, 379372, 379442, H04M 164, H04M 1110

Patent

active

046266313

ABSTRACT:
An adapter circuit and system for coupling a telephone answering machine to two telephone lines. The adapter may be set so that the telephone answering machine will answer one or the other of the telephone lines, as determined by setting a mode selector switch to an "automatic" position; so that the telephone answering machine will answer only one of the telephone lines as determined by setting the mode selector switch to a "Line #1" position, or so that the telephone answering machine will answer only the other of the telephone lines by setting the mode selector switch to the "Line #2" position.

REFERENCES:
patent: 3679831 (1972-07-01), Bonsky
patent: 4515995 (1985-05-01), Bolick, Jr. et al.

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