Interact with visitors and devices using the ADC-VDB750 call screen

Users can talk to individuals at their door using the mobile app or a compatible panel. Additionally, users can control their security system, locks, garage doors, and lights all from the live video call screen.


  • To view using the mobile app, the app must be version 4.14+ on an Apple or Android mobile device (e.g., smartphone or tablet). To use the microphone with the doorbell camera, the mobile device must have the microphone permission enabled.
  • To view using a panel, it must be one of the following compatible panels with the required settings. For more information about required settings, see the guide:
  • Qolsys panels - Stream live video from cameras on Qolsys Panels

To start a video call:

  1. Log into the Mobile app.
  2. Tap Doorbell Camera.
  3. Tap Bell Icon
  4. Use the controls to talk, listen, send commands to devices, and end the call.

To control devices while on a video call:

  1. While on a video doorbell call, tap Actions.
  2. On the desired device category, tap > Arrow . The following devices can be controlled from the video call screen:
  • Arming Shield Security system: Arm away, arm stay, and disarm
  • Lock Locks: Lock and unlock
  • Garage Icon Garage doors: Open and close
  • Light Bulb Lights: Turn on and off
  1. Tap to select the desired device
  2. Tap the desired action.

More information on installation usage of the VDB750 can be found here: