U1981 Service Slot can not be inserted into which of the following veneer boards? [Single Selection].

Which MCUs are one-way live meeting scheduled? () [Single Selection].

Huawei's HD consultation system provides a feature-rich eSDK for remote consultation management system integration and call, including appointment, extension, end, adding/deleting consultation points, and process control [single selection].

Which of the following backup methods does the RSE6500 recording and broad-casting server support? [Multiple Choice].

The following characteristics of IP Phone 7900 series IP phones are [multiple choice questions].