Dahua Technology DHI-VTH1550CH-S User Manual

Settings
Log into the app and tap Setting.
Tap to enable the specific function.
 Event Subscription: View the access and alarm messages.
 Sound: Phone rings when receiving a call.
Tap About to view the version information and the online help. In addition, you can logout
the current account.
Messages
Log in the app, and then tap Message to view the access messages and alarm messages.

Dahua Technology DHI-VTH1550CH-S Specifications

General

Brand	Dahua Technology
Model	DHI-VTH1550CH-S
Category	Intercom System
Language	English