Connect to internet with network cable & add Doorbell to app - Doorbird - YouTube
DoorBird A1101 IP Video Indoor Station A1101, surface mounting [423860902]
Amazon.com: DoorBird IP Video Door Station Flush-mounted, Brushed Stainless Steel Call buttons Multi Tenants - Access Control- POE Capable (Stainless Steel/2 Call Buttons) : Tools & Home Improvement