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

Paul Ranford

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Call processing system with resources on multiple platforms

Telephonic communications – Multi-line or key substation system with selective switching... – With special service
Reexamination Certificate

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Fault tolerant voice processing system

Telephonic communications – Centralized switching system – Switching controlled in response to called station...
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Group exchange port (GXP)

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

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Multiple platform voice processing system with optimized...

Telephonic communications – Multi-line or key substation system with selective switching... – With special service
Reexamination Certificate

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Multiple platform voice processing system with optimized...

Telephonic communications – Audio message storage – retrieval – or synthesis – Interacting voice message systems
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Profile ID: LFUS-PAI-P-1675003

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