4. Telephonic communications
  5. Telephone line or system combined with diverse electrical...

Harold Sit

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Local area communications server

Telephonic communications – Telephone line or system combined with diverse electrical...
Patent

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Network implemented communication system

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

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Private branch exchange implemented using H.323 gatekeeper

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

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Profile ID: LFUS-PAI-P-320565

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