This app paired with the FVI-6025IP IP module for the Fermvision 2-Wire House Video Intercom Kits enables you to answer, see and release the door from anywhere in the world. Works with FVI-6010 Kit, FVI-6020 Kit, FVI-6030 Kit and FVI-6040 Kit.
Setup instructions can be found at https://www.fermaxaus.com.au/pages/2-wire-app-instructions