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

Alan Bernard Johnston

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Call charging notification

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Providing content delivery during a call hold condition

Electrical computers and digital processing systems: multicomput – Remote data accessing – Accessing a remote server
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Profile ID: LFUS-PAI-P-2894352

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