In MCU ride-on-the-wall mode, you can configure IP routing to send and receive data through GE1.
Terminal control mainly refers to the call signaling of the terminal, the negotiation of logic channels and AV capabilities, and the signaling of conference control.
MsDA is the master-slave decision response message, which carries the Master or Slave flag, which refers to the state of the local side.
When the MCU is working in wall riding mode, GE0 is registered with switch center and GE1 can only support IP address calling.