Dual timing circuit for telephone subscriber's instrument

Details Dual timing circuit for telephone subscriber's instrument Dual timing circuit for telephone subscriber's instrument

1983-05-02

1985-01-08

Rubinson, Gene Z.

179 18BD, H04M 100

Patent

active

044928238

ABSTRACT:
A dual timing circuit for use with a subscriber's telephone circuit operated in response to two manual switch operations to simulate the placement of the subscriber's phone in the "on-hook" condition for two different predetermined periods of time. One "on-hook" period being for the operation of transfer circuitry in an associated PABX and the other period being for the initiation of a new call.

REFERENCES:
patent: 4387274 (1983-06-01), Stein et al.

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