This document provides instructions for setting up a free video calling network using a Wi-Fi router and FonTower software. The summary is: 1. Connect a computer and Wi-Fi router to install FonTower software, which allows creating users and hosting video calls without internet or data limits. 2. Download and install the Fon.apk on Android phones connected to the same Wi-Fi router. Log in with the created username and password. 3. Add friends by tapping the plus button, and make video calls by tapping on friends' names or sliding to receive incoming calls.