You must install the Arlo app on your phone and you must be logged in.
When a visitor presses your Arlo Audio Doorbell, your smartphone receives a Voice over IP (VoIP) call through an Internet connection.
Note: If you don’t want to receive calls when a visitor presses the doorbell, you can select Silent Mode for the doorbell and turn off incoming calls. (Open the Arlo app and tap the doorbell to view or change these settings.)
To play a quick reply message on your Arlo Audio Doorbell:
For more information on the Arlo Audio Doorbell, visit How do I receive incoming calls on my smartphone from the Arlo Audio Doorbell?.