4. Telephonic communications
  5. Audio message storage, retrieval, or synthesis
  6. Message management

Sreerupa Das

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Method and apparatus for controlling conference calls

Telephonic communications – Special services – Conferencing
Reexamination Certificate

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Systems and methods for multi-tiered priority messaging

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2292844

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