错误!使用“开始”选项卡将 Heading 1 应用于要在此处显示的文字。 25
Add in batch
All the added room numbers are displayed. Click Refresh to view the latest status,
and click Clear to delete all the room numbers.
Verifying Configuration
5.4.1 Calling VTH from VTO
Dial room number on the VTO.
Press .
The VTO is calling the VTH. See Figure 5-12.
Call screen
Tap on the VTH to answer the call.
5.4.2 Doing Monitor from VTH
In the main interface of the VTH, select Monitor > Door.
The Door interface is displayed. See Figure 5-13.
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