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

David Felger

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Method for billing and controlling fraud in providing pay inform

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

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Method for billing and controlling fraud in providing pay inform

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

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Method of billing a communication session conducted over a...

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Method of billing a communication session conducted over a...

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Method of billing a communication session conducted over a...

Telephonic communications – With check operated control – Other than coin
Reexamination Certificate

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Profile ID: LFUS-PAI-P-407087

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