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Dat storage back-up and modem apparatus

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Data communication apparatus having a function of recording a vo

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Data communication apparatus having a reprogrammable voice memor

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Device for processing digital signal in audio-frequency bandwidt

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Dial-less calling device

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Digital dictation system with voice mail capability

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Digital secretary

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Digital telephone answering set

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Directory answering machine

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Directory management system and method

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Distributed control and storage for a large capacity messaging s

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Distributed system for call processing

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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Distributed system for call processing

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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DOS compatible dictation and voice mail system

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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DTMF signal detection apparatus

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
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