4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Testing of subscriber loop or terminal

Patrick Smyth

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Cross-connect switch

Telephonic communications – Centralized switching system – Switching controlled in response to called station...
Patent

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Cross-connect switch and method for providing test access theret

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent

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Profile ID: LFUS-PAI-P-1051894

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