Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of trunk or long line
Inventor
active
Communication port-powered digital communication interface...
Detection of bridged taps by frequency domain reflectometry
Digital signal processor-based telephone test set analyzing...
Electronic test tag for wireline continuity verification
Mechanism for controllably enabling test set to assert off-hook
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Profile ID: LFUS-PAI-P-587434