Loop-back test system using a suppressed ringing connection

Details Loop-back test system using a suppressed ringing connection Loop-back test system using a suppressed ringing connection

H - Electricity

04

M

H04M 3/30 (2006.01) H04Q 1/20 (2006.01) H04M 11/00 (2006.01)

Patent

CA 2176405

The test system of the invention uses suppressed ringing connections from a test unit to the customer premise equipment via the central office to establish connections for performing the loop-back test. The suppressed ringing connections are established over standard voice trunks between a switch in the central office and the test unit by a central office service unit (COSU) such that the number of lines that can be tested simultaneously is limited only by the number of trunks linking the COSU to a switch. Because these trunks are relatively inexpensive and simple to install and maintain, the test system of the invention can be readily installed and expanded in the existing network to provide virtually any level of monitoring capability.

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