Of the messages between GKs, a/an ( ) message is sent by the called terminal to the calling terminal to indicate that the called terminal is off-hook.
Bandwidth restriction on specified network segments will result in terminals' GK registration failures.()
An H.323 terminal is a node on the network and performs real-time bidirectional communication with other H.323 terminals, the gateway, or the MCU.()
The MCU supports ( ) concurrent web users.
SEC2.0 is used for burst packet loss. ()