Communication system having an automatic dialer

Details Communication system having an automatic dialer Communication system having an automatic dialer

1989-08-21

1990-10-16

Dwyer, James L.

Telephonic communications

Supervisory or control line signaling

Substation originated

379355, 379216, 379221, H04M 127

Patent

active

049641590

ABSTRACT:
A communication system having an automatic dialer, which generates a signal for selection of a communication line from a plurality of communication lines belonging to a plurality of common carriers before communication is made between a calling subscriber and a called subscriber. The automatic dialer automatically transmits the signal for specifying one of a plurality of signal paths coupled to the called subscriber in addition to other necessary signals. The necessary signals may be automatically transmitted with the minimum dial number, resulting in easier operation of the system.

REFERENCES:
patent: 4645879 (1987-02-01), Simmons
patent: 4731826 (1988-03-01), Daie

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