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

Daniel J. Santos

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METHOD AND APPARATUS FOR ENABLING A FEE TO BE CHARGED TO A...

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Reexamination Certificate

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Method and apparatus for generating and/or updating an...

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

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