Line tester for coin-operated telephones

Details Line tester for coin-operated telephones Line tester for coin-operated telephones

1997-08-19

1999-09-28

Kuntz, Curtis A.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Using portable test set

379146, 379 29, H04M 124, H04M 1700

Patent

active

059600608

ABSTRACT:
A line tester unit for coin-operated telephones that permits the interface between the coin-operated telephones and the telephone network to be efficiently verified at most access points throughout the telephone network.

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