Do you have a question about the Dahua VTH2221A and is the answer not in the manual?
Covers essential security steps like password changes and firmware updates for system protection.
Covers initialization, network, system type, server type, SIP, and adding VTO/VTH.
Details the main interface elements and various settings like Ring, DND, Alarm, Mode, Forward, and General.
Covers project settings, network configuration, VTH/VTO settings, and default/reset options.
Explains contact management, call operations, VTO/IPC monitoring, and favorite device lists.
Guides users through downloading, installing, registering, and logging into the DSS mobile app.
| Brand | Dahua |
|---|---|
| Model | VTH2221A |
| Category | Intercom System |
| Language | English |











