A.Call the IP address of the GK, create a conference

B.according to the IVR prompt Call the IP address of the MCU and create a conference answer based on the IVR prompt

C.Call the IVR access number and create a meeting according to the IVR prompts

D.call the conference access number according to the IVR prompt, and create a conference

A.only for a few of the loudest channels Mix all venue sounds

B.You can control that sound is not sent to a certain terminal

C.The sound answer received from a certain terminal can be not processed

D.Mix

A.tunnel

B.IRQ heartbeat message

C.Timed Keeper Pack

D.No maintenance is required, and the code circulation channel is established after the hole is opened

A.Streaming

B.Call signaling

C.Transmission Control

D.Ability set

A.True

B.False