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

Igor K Czajkowski

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Communication system architecture and operating methodology...

Multiplex communications – Fault recovery – Bypass an inoperative switch or inoperative element of a...
Reexamination Certificate

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Enhanced VoDSL service provision

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate

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VODSL service provision

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Voice over digital subscriber line call redirection for...

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

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Profile ID: LFUS-PAI-P-2500590

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