4. Telephonic communications
  5. Special services
  6. Call diversion

Shigeru Hiroki

Inventor

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Communication apparatus

Telecommunications – Transmitter and receiver at same station
Reexamination Certificate

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Communication apparatus

Telecommunications – Transmitter and receiver at same station
Reexamination Certificate

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Communication channel selection method

Telecommunications – Transmitter and receiver at separate stations
Patent

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Communication control apparatus

Multiplex communications – Diagnostic testing – Using oam cells
Patent

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Control apparatus for switching station connections using a hold

Telephonic communications – Special services – Call diversion
Patent

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Profile ID: LFUS-PAI-P-564504

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