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Auxiliary attenuator arrangement for use in voice-switched speak

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Patent

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Auxiliary baseband telephone interface for an answering machine

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

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Auxiliary charging device for a mobile telephone

Telephonic communications – Terminal – Housing or housing component
Patent

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Auxiliary circuit switching for provisioning and/or repair in a

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent

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Auxiliary component connector including microphone channel

Telephonic communications – Terminal – Housing or housing component
Patent

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Auxiliary component connector including microphone channel

Telephonic communications – Terminal – Housing or housing component
Patent

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Auxiliary dialing system for mobile telephones

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Auxiliary power for telephone distribution system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Auxillary communication service routing

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Availability and location predictor using call processing...

Telephonic communications – Special services
Reexamination Certificate

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