| 摘要 |
A digital video switch system comprising a smart control terminal is coupled to a digital access controller and to a multipoint control unit. The smart control terminal is provided with a plurality of function keys, each of which is designed to provide automatic interconnection of input and output ports of the digital access controller and the multipoint control unit so that a predetermined interconnection of video and audio signals from remote conferencing sites are interconnected via input/output ports of the digital access controller with each other in a desired format to provide central teleconferencing control of a plurality of sites from a central control site.
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