Automatically testing telephone lines

Details Automatically testing telephone lines Automatically testing telephone lines

1990-10-10

1991-12-17

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379 24, 379 30, 379 6, H04M 124, H04B 346

Patent

active

050739190

ABSTRACT:
A method of testing a telephone line including installing a test call unit at an end of the telephone line at which a customer's equipment is connected, automatically initiating a telephone line test at the module, performing the telephone line test, and transmitting the results of the line test over the telephone line.

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patent: 4602134 (1986-07-01), Atkinson
patent: 4639557 (1987-01-01), Butler et al.
patent: 4679224 (1987-07-01), Lynch
patent: 4686697 (1987-08-01), Shapiro
patent: 4707850 (1987-11-01), Horton
patent: 4864598 (1989-09-01), Lynch
patent: 4943993 (1990-07-01), Fore

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