World System Teletext 653 (now ITU-R BT.653) as one of four recognised standards for teletext worldwide, and may now most commonly be referred to as CCIR Teletext System B. Almost all television sets sold in Europe since the early ’80s have built-in WST-standard teletext decoders as a feature. WST is used for all teletext services in Europe & Scandinavia, including Ceefax from the BBC and services from Teletext on ITV in the United Kingdom, ZDFtext from ZDF and ARDText from ARD in Germany, and Tekst-TV from NRK in Norway, among many other teletext services offered by other television networks throughout the European continent.
Teletext Ltd. 400-499 (which replaced pages 300-399 as Channel 4's page space). However on 30 October 2008, Teletext on 4 on Channel 104 closed and replaced in December 2008 by 1-2-1 Dating. using Teletext on 4's old channel number. Teletext Ltd. Teletext Ltd was the provider of teletext and digital interactive services for ITV, Channel 4 and Five in the United Kingdom. Teletext Ltd currently runs Teletext Holidays and Teletext Cars only. "Teletext Ltd" started providing teletext services for ITV and Channel 4 on 1 January 1993, replacing the previous ORACLE service which had lost the franchise. The company is now owned