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Call forwarding via a 2-line phone

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Patent

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Call handling for multiple users of an automated attendant

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

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Call handling mechanism

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

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Call handling system

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

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Call handoff in a wireless telephone system

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

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Call holding alert system

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Patent

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Call holding for a video call in a mobile communication device

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Reexamination Certificate

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Call management system and associated method for a local...

Telephonic communications – Audio message storage – retrieval – or synthesis – Voice activation or recognition
Reexamination Certificate

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Call management system with protocol converter and port controll

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

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Call management system with protocol converter and port controll

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

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Call message delivery system and method

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

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Call message delivery system and method utilizing caller-selecte

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

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Call notification service for use with call waiting

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification
Reexamination Certificate

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Call on-hold improvements

Telephonic communications – Audio message storage – retrieval – or synthesis – Display of message related information
Reexamination Certificate

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Call parking and paging system and method of operation

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
Reexamination Certificate

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Call path resource allocation in a wireless telecommunications s

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

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Call processing and subscriber registration systems and methods

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification
Reexamination Certificate

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Call processing method for delivering promotional messages

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

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Call processing system and method for providing a variety of mes

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

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Call processing system with call screening

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification
Reexamination Certificate

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