NFON AG engages in the provision of cloud-based telephone systems. It also develops virtual phone systems and integrated communications solutions for businesses of all sizes. It operates through the following business segments: NFON AG, Deutsche Telefon Standard GmbH, nfon GmbH, NFON UK Ltd, NFON Iberia SL, NFON Italia S.R.L., and NFON France. The company was founded by Marcus Otto, Mathias Edelmann, and Fabian Hoppe in 2007 and is headquartered in Munich, Germany.