In the registration signaling process, the terminal initiates to GK which of the following messages represents a registration request ( ).
The color rendering index affects the color of the video image. ( )
Of the six basic request messages, ( ) is used to end the callback.
Which of the following messages is not a status query message. ( )
In audio coding technology, which of the following is a voice quality metric. ( )
In the MCU Web page, the format of the exported address book information is ( ).
What is the role of the RTCP protocol. ( )
Packet capture of network data streams can be mainly achieved in the following ways. ( )
The private network terminal calls the public network terminal, and when the logical channel is opened, the reason for the occurrence of a single pass of media streaming is ( ).
When scheduling the meeting, the "IP port resources are insufficient", and the check MCU corresponds to be online, and the number of 1P ports is sufficient. What could be wrong? ( )
MCU In Wall Riding mode, () needs to be registered with GK.
INVITE transactions are retransmitted by default at ( ) intervals.
Regarding the Client proxy in the H.460 protocol, the following description is correct ( ).
The main role of the 317.H.245 protocol is ( ).
The IP header in the ACF message does not contain any of the following information ( ).