If you accidentally drop the meeting in the terminal meeting, you can join the meeting by calling the special service number.
Cascade channel usage rules are consumed by priority, and resources are mutually exclusive when at the same priority.
In the networking, in which stage of signaling transmission occurs, such as the transmission keep-alive duration, keep-alive port, and keep-alive fields?
A high-definition video terminal (referred to as a terminal) is a codec that processes audio and video code streams and data code streams.
The following description of hd terminals is correct ( ) *