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

Douglas C. Van Natter

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System and method for generating computer code to facilitate...

Data processing: software development – installation – and managem – Software program development tool
Reexamination Certificate

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System and method for managing CDR information

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

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System and method for verifying subscriber data records in a...

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2814380

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