[Functions] Respond to calls from the entrance station, see the video and talk with the visitors. Unlock your door from the application. View recordings stored in the intercom master station. Use inside the home through WiFi, or outside the home through 3G/4G connection. [Concerning usage] ・This application will work with Aiphone JO series intercoms with WiFi connectivity. ・This application must have an internet connection available either through WiFi or 3G/4G. ・Registration is necessa