Teletext now known as Ceefax ("see facts", the departmental stationery used the "Cx" logo), on various news shows. The Independent Television Authority (ITA) announced their own service in 1973, known as ORACLE (Optional Reception of Announcements by Coded Line Electronics). Not to be outdone, the GPO immediately announced a 1200/75 baud videotext service under the name Prestel. The first teletext test transmissions were made by Ceefax in 1973. After proliferation of the BBC system in the UK, it was adopted in Europe and standardised as World System Teletext (WST). The World Wide Web began to take over some of the functions
Teletext Ltd. in conjunction with ORACLE, as an auxiliary teletext provider for Channel 4 from 1982. 4-Tel occupied pages 410-469 within ORACLE's page space. When ORACLE lost its licence and was replaced by Teletext Ltd in 1993, 4-Tel moved to its own page space on pages 300-399 (effectively its own magazine). Channel 4 enlisted Intelfax to run the service. In 2002, 4-Tel was renamed FourText. In addition, FourText also launched on digital television. In 2003, Channel 4 ended their contract with Intelfax and contracted out the service to Teletext Ltd. The new service was named Teletext on 4 and operated on pages