Fusion Telecommunications International, Inc. is a United States-based provider of integrated cloud solutions, including cloud voice, cloud connectivity, cloud infrastructure, cloud computing, and managed cloud-based applications to businesses, and voice over Internet Protocol (VoIP)-based voice services to carriers. The Company operates through two segments: Business Services and Carrier Services. Through Business Services segment, it provides cloud voice, cloud connectivity, cloud infrastructure, cloud computing and managed cloud-based applications to businesses of all sizes. Its suite of business services includes unified communications as a service, session initiation protocol trunking solution and file sharing solution. The Carrier Services segment includes termination of domestic and international carrier traffic utilizing VoIP technology. It offers solutions to small, medium and large businesses. It offers domestic and international VoIP services to carriers around the world.