When 2 MCUs are cascaded, a meeting is scheduled, and the upper and lower MCU join the meeting as a virtual venue. ( )
The frequency response capacity of nature that the human ear can perceive can reach 20Hz-20KHz, using audio standards such as G.711, G.722, G.728, and the audio width is only available 50Hz-7KHz, so use AAC-LD method to solve this problem in high-definition video communication.
Which of the following measures can users use to expand the video port of the VP9650 ?
According to H. 323t, the signaling required to complete the process of exchanging capabilities is. ( )
Which of the following video resolutions meet the 16:9 aspect ratio requirement?
Under static NAT networking, the signaling description of the public network terminal calling the private network terminal is correctly ( ).
Under static NAT networking, the SRC address of the terminal under the private network changes to ().
In the networking, in which stage of signaling transmission occurs, such as the transmission keep-alive duration, keep-alive port, and keep-alive fields?
TESTED 23 Feb 2025
