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

U S WEST Technologies, Inc.

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Adaptive knowledge base of complex information through interacti

Data processing: speech signal processing – linguistics – language – Speech signal processing – Application
Patent

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Intelligent tutoring method and system

Education and demonstration – Question or problem eliciting response – Electrical means for recording examinee's response
Patent

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Method and apparatus for controlling outgoing calls on a telepho

Telephonic communications – Call or terminal access alarm or control – At switching center
Patent

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Method and instructions for visual voice messaging user interfac

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Method and system for controlling traffic in PSTN links through

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

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