For example, South African Broadcasting Corporation (SABC) is the only public service broadcaster in the country; South African Post Office (SAPO) is a government agency, but it also provides postal services and other related services; Sentech offers broadcast signal distribution services and develops the country’s wireless network. Broadband Infraco offers licensed network operators, Internet service providers and other value-added network service providers domestic direct dialing (DDD) and international data transmission services.