System and method for processing of communication line test...
System and method for testing telecommunication service...
System and method for testing the dispatch functionality of...
Telecommunications test system including a test and trouble shoo
Telecommunications test system including a test and trouble shoo
Telephone line state detecting device
Telephone line testing device
Telephone technician's remote assist apparatus and method
Telephone technician's terminals with auto-selection of dial pul
Telephone test set having an auxiliary amplifier and speaker for
Telephone tester junction box
Telephonic apparatus and input device for telephonic apparatus
Test device for telephone lines
Testing of telephone lines
Tone around test adapter
Variable geometry battery compartment for accommodating differen
Wireless - wireline communication selection mechanism resident i
Wireless butt set
Wireless-wireline communication selection mechanism resident in
Wiring test device and method