IAD supports configuration methods including (). (Multiple choice)

The eSpace phone supports () mode, the PC can disconnect the PC port to share the network connection after receiving the call () (single choice)

When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)

As shown in the figure (there is a picture, a screenshot of the call status, showing the video packet loss rate, which is 14.8%), when the chairman broadcasts the TE terminal, the terminal sees the sending packet loss rate of 14.8%, indicating that there may be other The terminal watched the venue, and the packet loss rate reached
14.8%. () Right or Wrong

In the H.460 public-private network traversal network, which of the following functions does TS need to have? ()