Using Bluetooth with Fongo on an Android device Fongo Support January 18, 2017 15:03 Updated Incoming calls cannot be answered using hardware buttons on a Bluetooth headset, Android does not allow this functionality. Related articles Using the Fongo mobile app with in-car bluetooth (iOS) Have Fongo launch as native dailler (Android) Automatic Speaker Source (Fongo 3.7.3+ for iOS, Fongo 3.7.4+ for Android/BlackBerry) Unable To Receive Incoming Calls Known Issues