Videotelephony

An upscale Teliris VirtuaLive telepresence system in use (2007).

A modern Avaya Nortel 1535 IP model broadband videophone (2008).

An older dual-display Polycom videoconferencing system (2008).

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.

At the dawn of the technology, videotelephony also included image phones which would exchange still images between units every few seconds over conventional POTS-type telephone lines, essentially the same as slow scan TV systems.

单词	Videophony
释义	Videophony 英语百科 Videotelephony 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. At the dawn of the technology, videotelephony also included image phones which would exchange still images between units every few seconds over conventional POTS-type telephone lines, essentially the same as slow scan TV systems.
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Videophony

Videotelephony