Telecommunications call back system

Patent

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Details

H04M 342

Patent

active

041397398

ABSTRACT:
A centrally located processing unit controls the use of long-distance communication circuits and records the use of the circuits. The centrally located processing unit selects the least expensive telephone line available and instructs the remote satellite to thereby insure the optimum use of bulk rate communications lines. Where no desired bulk rate communication facility is available, a user enters a call-back number into the processing unit and is called back at that number when the facility becomes available.

REFERENCES:
patent: 3931476 (1976-01-01), Matthews
patent: 3934095 (1976-01-01), Matthews et al.

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