Reminiscences of a company every Friday. The business backbone of each district calls in the regular meeting according to the time point to complete the weekly regular meeting communication. The type of meeting is ()

The human eye is more sensitive to brightness than to color. () Correct or Wrong

If AAC_LD uses a coding rate of 48kbps and a packing time of 20ms, what is the IP bandwidth occupied by the codec () kbps

The standard auxiliary stream token management protocol recommended by the SIP protocol is () (single choice)

In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is ().

The SIP terminal sends an Invite request and enters the early dialog state after receiving a 180 response () Correct or Wrong

In the message classification of the RTCP protocol, which of the following messages describe the receiving statistics data of the receiving gateway? ()

In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? () (Multiple selected)

The following description of the local regeneration function is wrong ()

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