4. Telephonic communications
  5. Subscriber line or transmission line interface
  6. Network interface device

John A. McMaster

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Flash-cut of speech processing features in a telephone call

Telephonic communications – Echo cancellation or suppression – Combined diverse function
Reexamination Certificate

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Flash-cut of speech processing features in a telephone call

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Method and apparatus for applying multiple speech processing fea

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Telephony services suite

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management
Patent

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Profile ID: LFUS-PAI-P-1117647

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