By default, the terminal reports the packet loss rate to the MCU once per ( ).
The MCU wall-riding mode has its advantages, but there are also certain constraints, such as ( ).
The signal stream of the audio self-ring is. ( )
In multi-channel cascading, two MCUs in a conference support up to ( ) cascaded channels
The default mode of operation for the GE1 port of the MCU is ( ).
In audio encoding, which of the following is a speech quality metric. () (3 answers).
The working principle of peer-to-peer calls under different GKs is that when GK resolves that the called node belongs to the neighbor GK area according to the called number, GK supports requesting the neighbor GK to resolve the called number, neighbor After GK resolution is successful, the 1P address of the called node is returned to GK, and then GK returns the IP address of the called node to the calling node. Enables a call to be established between the calling node and the called node.
The code flow hole from the public network to the private network is opened by the redirect message of the RTP, through what to maintain? ( )
Which of the following is a mixing strategy ( ).
Which of the following is not a disadvantage of forward error correction ().
Private network HD terminals use static NAT for public and private network crossing, regarding the calls between terminals, the following statement is incorrect ().
In the H.323 protocol stack, what protocol is used by dual-streaming. ( )
During the terminal registration GK phase, the UDP header in the RRQ registration request message contains the following information ( ).
There are several ways to join an IVR meeting at a venue ( ).
MP mainly completes which of the following functions. ( )