4. Telecommunications
  5. Radiotelephone system
  6. Usage measurement

Erkki Ojala

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Call forwarding in a telecommunications network

Telecommunications – Radiotelephone system – Special service
Reexamination Certificate

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Charging control of telecommunication network subscriber

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Method for improving charging criteria in a mobile telephone net

Telecommunications – Radiotelephone system – Usage measurement
Patent

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Transmission of service data to services controlling the...

Electrical computers and digital processing systems: multicomput – Remote data accessing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1616114

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