Originally, MCU cascading involves one cascaded channel, which can transmit one channel of video stream. In a telepresence conference, the channel can transmit only the video for the pane in the center. After multi-channel cascading is supported, each level of MCU can transmit multiple channels of video streams and therefore can transmit all three panes in a telepresence conference, to improve user experience. ()

Originally, MCU cascading involves one cascaded channel, which can transmit one channel of video stream. In a telepresence conference, the channel can transmit only the video for the pane in the center. After multi-channel cascading is supported, each level of MCU can transmit multiple channels of video streams and therefore can transmit all three panes in a telepresence conference, to improve user experience. ()
A . TRUE
B . FALSE

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Answer: A