Dahua VTH5421 Series User Manual

DSS Mobile for VDP 89
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.
Figure 7-10
 You can also receive the call from the management center.

Dahua VTH5421 Series Specifications

General

Brand	Dahua
Model	VTH5421 Series
Category	Intercom System
Language	English