4. Telephonic communications
  5. With usage measurement
  6. Call traffic recording or monitoring

Douglas Malcolm MacDonald

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Method of controlling call traffic in a telecommunication system

Telephonic communications – With usage measurement – Call traffic recording or monitoring
Patent

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Method of volume screening signalling messages in a telecommunic

Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
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Profile ID: LFUS-PAI-P-1050457

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