The 268.H.460 protocol is a firewall/NAT traversal standard approved by the ITU of the International Telecommunication Union and consists primarily of ( ).
In the MCU Web page, the format of the exported address book information is ( ).
The default mode of operation for the GE1 port of the MCU 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? ( )