4. Telephonic communications
  5. Audio message storage, retrieval, or synthesis
  6. Call source identification

John R. McElwee

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CID message retrieval methods and devices

Telecommunications – Radiotelephone system – Special service
Reexamination Certificate

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Voice messaging system which allows a remote user to return...

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2477431

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