XChange Voice by Marlink The XChange voice app is a telephony service provided by Marlink. XChange voice turns your Android device into a local phone for voice and VoIP telephony services provided by XChange. Enjoy calling your contacts directly as simply as you would with a cellular phone. Register your phone just once and make phone calls via any satellite device available. Main Enhancements with the last version: - Supports Android 8 - Minor bugs fixed Main Features: - Simplified regis