Belgacom SA is a Belgium-based company registered under the Belgian public law that provides both fixed and mobile telecommunication services, including telephony, Internet and television services for both professional and private customers. Its activities are divided into five segments: the Consumer Business Unit (CBU) which sells voice products and services, Internet and television to residential clients, mainly on the Belgian market; Enterprise Business Unit (EBU) which sells services and products to professional clients; Service Delivery Engine & Wholeasale (SDE&W), which is focused on the centralization of various services; International Carrier Services (ICS) which is responsible for international carrier activities; and Staff and Support (S&S) which brings together all the horizontal functions internal services and real estate supporting the Group�s activities. As of December 31, 2011, the Belgian State held 56.5% of the voting rights in Belgacom.