How many channels does VP9650 support for 1080P30? [Multiple choice].
TE series terminals in the case of 20% network packet loss rate, the image dis-play is normal [single choice].
What is the minimum bandwidth required when the TE series transmits a video stream of 1080P30? [Multiple choice question].
When the TE terminal needs to record a local meeting, the terminal and the re-cording server do not have to register the GK server, but only configure the recording server address on the terminal. () [Single Selection].