Importance

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Abstract

A method and connectivity evaluation system for testing trunk lines dedicated by a centralized telecommunications system to a customer switching system, such as a PBX, includes allowing the trunk-seizing capability of the telecommunications system to be remotely accessed from the premises of the customer switching system. The dedicated trunk lines can be sequentially isolated in response to the remote access of the trunk-seizing capability. Isolated trunk lines can be used to transmit test signals to opposite end equipment for evaluating characteristics of the signal. The test signals can be generated from either or both of the central office of the telecommunications system and the premises of the customer switching system, but in the preferred embodiment, all such transmissions are controlled from the customer switching system. In another embodiment, the transmissions are controlled from the central office.

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First Claim