4. Telecommunications
  5. Radiotelephone system
  6. Zoned or cellular telephone system

Walter Heutschi

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Billing process and system in a telecommunication network

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Accounting
Reexamination Certificate

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Call-back method for telecommunications and devices adapted...

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Identification card and identification procedure

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate

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Method for broadcasting addressed data to a plurality of users

Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Session/connection parameter setting
Reexamination Certificate

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Roaming method and devices appropriate therefor

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
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Profile ID: LFUS-PAI-P-2712775

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