Importance

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Abstract

Intercept system for intercepting calls from a calling person to an unattended telephone connected to a telephone exchange having a three-way calling feature. The system includes at least one intercept console connected to the exchange, attended by an intercept operator and an intercept adaptor connected to the unattended telephone. The adaptor includes a ring detector for detecting ringing signals to the telephone, a circuit to generate a specific set of identifiable signature tones, an automatic dialer for accessing the three-way feature and for dialing the intercept console, an automatic stored digital code sender for sending a digital code to the intercept console identifying the unattended telephone to the operator; an apparatus for sending a start signal and a release signal from the console to the adaptor for respectively starting the voice message recorder and terminating the call in response to the operator answering the call and terminating the call.

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First Claim