As usual, it is set up in the web browser of the DCS IP gateway. Additionally, it is necessary to register and configure the assignment using the Gira portal. No audio or video files are saved. Thanks to the Gira DCS app, you can view door calls on the mobile end device, talk to the person at the door and, if you want, open the door directly. If the app is not active in the background, for example, after the mobile end device has been restarted, the door call will nevertheless reach the user. With push notifications, the user is informed of the incoming door call even when the Gira DCS app is “inactive/closed”. This additionally also increases the battery performance of the mobile end device. To accept a call at the door, the end device does not need to be unlocked.