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

Leon De Beer

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Telephone call dialing

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Telephone call dialling

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

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Telephone call dialling

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2272082

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