Over an H.460 network, communication between the video terminal and client GK complies with ( ).
Answer(s): B
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.()
Answer(s): A
Functions of RTP in voice over IP are as follows: Real-time transmission of media data. Jitter cancellation, Packet ordering, Packet loss prevention, Transmission of DTMP signal, signal tones, and signaling in some situations. ( )
After you define the open logical channel on a private network terminal inside a firewall, if ( ), the media streams can be transmitted in one direction only.
Which of the following items is not filtered by the firewall. ( )
Answer(s): C
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