Dahua VTH5221D User Manual

DSS Mobile for VDP 8
7.3.2 Calling Operations
After call forward is properly configured, you can receive and answer phone calls from the VTO
or the management center.
 When the VTO is making video call, you can answer the call and unlock the door remotely.
 You can also receive the call from the management center.

Dahua VTH5221D Specifications

General

Brand	Dahua
Model	VTH5221D
Category	Intercom System
Language	English