4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring

Yoshikazu Takeda

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Communication service control apparatus

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Group communications switching method, subscriber terminal...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Intelligent network system

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Reexamination Certificate

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Service management system and process control system for intelli

Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing – Least weight routing
Patent

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Profile ID: LFUS-PAI-P-913627

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