4. Telecommunications
  5. Radiotelephone system
  6. Message storage or retrieval

Douglas Alston

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Calling party ringtone selection in telephone system

Telephonic communications – Special services – Service trigger
Reexamination Certificate

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Systems and methods for a wireless messaging information...

Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate

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Systems and methods for a wireless messaging information...

Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3055766

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