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

Christine W. Huff

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Advanced intelligent network (AIN) functionality for...

Telephonic communications – Plural exchange network or interconnection
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Call detail reporting for lawful surveillance

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Monitoring
Reexamination Certificate

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Call detail reporting for lawful surveillance

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Reexamination Certificate

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Electronic surveillance in a public switched telephone network

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Profile ID: LFUS-PAI-P-891854

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