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

Charles David Caldwell

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Interactive system for communications between a cordless telepho

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

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Method and device for providing speech-to-text encoding and...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate

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Method and system for allowing simultaneous usage of prepaid...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Finance
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Spontaneous messaging service for prepaid calling card users

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

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Subscriber terminal for providing speech-text encoding and...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
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Profile ID: LFUS-PAI-P-1756866

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