Visitel LU 500

1989
Visual Telephone Display.

 Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time.[1] A videophone is a telephone with a video display, capable of simultaneous video and audio for communication between people in real-timeVideoconferencing implies the use of this technology for a group or organizational meeting rather than for individuals, in a videoconference

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