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

Jos Den Hartog

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Method and a system for providing service to telecommunication s

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Method and device for session control in hybrid...

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1714291

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