 SCU has since expanded its 4G LTE services, including the cities and towns of Fort Portal, Gulu, Jinja, Kabale, Masaka, Masindi, Mbale, Mbarara, Mukono, Soroti, Tororo, and Wakiso.SCU's voice-over-LTE, called "VoLTE", is compatible with the iPhone and Android systems.It enables Smile customers to call around the world, fixed or mobile, using the SmileVoice App.