4. Telephonic communications
  5. Call or terminal access alarm or control

John Donak

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Interfacing a communication switch to a non-embedded device...

Telephonic communications – Call or terminal access alarm or control
Reexamination Certificate

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System supporting the dynamic migration of telecommunication...

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

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Profile ID: LFUS-PAI-P-2539387

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