Tollgrade Communications, Inc.

Larry Mortimer

Bradford R Holmes

John M Benedict

Gregory M Nulty

An electronic relay matrix ( ) is connectable between a plurality of customer telephone lines and a plurality of testers ( ) The electronic relay matrix ( ) includes a line matrix ( ) having a plurality of relay assemblies ( ) Each relay assembly ( ) in a relaxed state connects together the line-side ( ) and the drop-side ( ) of one of the customer telephone lines. Each relay assembly ( ) is adjustable to enable one of the plurality of testers ( ) to be connected to the drop-side ( ) and/or the line-side ( ) of a desired customer telephone line.

Telephony testing system

An electronic relay matrix ( ) is connectable between a plurality of customer telephone lines and a plurality of testers ( ). The electronic relay matrix ( ) includes a line matrix ( ) having a plurality of relay assemblies ( ). Each relay assembly ( ) in a relaxed state connects together the line-side ( ) and the drop-side ( ) of one of the customer telephone lines. Each relay assembly ( ) is adjustable to enable one of the plurality of testers ( ) to be connected to the drop-side ( ) and/or the line-side ( ) of a desired customer telephone line.

A remote telephone testing device (,) includes a transmitter (,), a receiver (,), a controller (,) and a test circuit (,). In response to the receiver (,) receiving a test signal from a test system (,) via a telephone network (,), the controller (,) communicatively isolates telephone equipment (,) of a subscriber (S) from the telephone network (,) and connects the test circuit (,) to the telephone equipment (,). The test circuit (,) tests the telephone equipment (,) and conveys one or more results of such test to the controller (,) which relays the one or more results to the test system (,) via the transmitter (,). When testing is complete, the telephone equipment (,) is isolated from the test circuit (,) and is communicatively connected to the telephone network (,).

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Woodstock, GA, United States of America

Larry Mortimer