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

Susanna Liem

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Eliminated DTMF signaling in an integrated wireline-wireless sys

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent

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Method for integrated billing in an integrated wireline-wireless

Telecommunications – Radiotelephone system – Usage measurement
Patent

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Profile ID: LFUS-PAI-P-932850

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