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

Michael S. Crum

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Method and system for configuring a telecommunication switch and

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

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Telephone routing system with queuing and voice messaging capabi

Telephonic communications – Audio message storage – retrieval – or synthesis
Patent

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Profile ID: LFUS-PAI-P-890287

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