For a better experience and correct use of the app, consider the following points:Telephony functionality will be available on supported devices:Android devices: Devices with Andoid 6.0 or later.The application can be activated on up to two devices simultaneously.The telephone service through the application may be used only on one device.The use of the application is subject to coverage and internet access on your device.The Application will be able to assume control of the installed Win Fixed telephony service. Key Feature:Enjoy your fixed telephone service wherever you are with your device through the Fonowin App.Answer calls from the fixed telephone service through the Fonowin App.Enjoy your minutes of landline service with the App Fonowin.