Dahua VTH5421 Series - Mandatory actions to be taken for basic equipment network security; Use Strong Passwords

DSS Mobile for VDP 91
Monitor 7.4
You can add the connected VTO manually to do monitor, voice communication, and unlock.
Log in the app, and then tap Monitor. Step 1
The Monitor interface is displayed.
Figure 7-12
You can tap Call Manager to call the management center.
Tap the “+” sign, and then select the VTO you need from the Channel List. Step 2
The live video is displayed.