Dahua Unit VTO6221E-P - 5.1.3 Deleting VTO; 5.2 Room No. Management

Household Setting 17
Modify VTO Figure 5-3
You can modify the Rec No., Username, and Password. See Table 5-1 for the details. Step 2
Click Save. Step 3
5.1.3 Deleting VTO
The VTO that is currently at use cannot be modified or deleted.
On the VTO No. Management interface (Figure 5-1), click to delete VTO one by one; and
click Clear to delete all the VTO.
Room No. Management 5.2
5.2.1 Adding Room Number
You can add the planned room number to the SIP server, and then configure the room number
on VTH devices to connect them to the network.
Log in the web interface of the SIP server, and then select Household Setting > Room Step 1
No. Management.
The Room No. Management interface is displayed. See Figure 5-4.