BBC Design & Engineering BBC Red Button launched in September 1999 as a branding for digital interactive television services provided by the BBC, and broadcast in the United Kingdom. The services replaced Ceefax, the BBC's analogue teletext service, and is only available via digital television receivers. The service can be accessed via Digital terrestrial television(DTT) (DVB-T), satellite television (DVB-S) and cable television(DVB-C). The "Red Button" branding is no longer used within the BBC own website. In 2004, BBC Technology Ltd, a commercial subsidiary of the BBC who provided technology and broadcast support and services was sold to Siemens IT Solutions and Services (SIS) under
Teletext the television signal. It is closely linked to the PAL broadcast system used in Europe. Other teletext systems have been developed to work with the SECAM and NTSC systems, but teletext failed to gain widespread acceptance in North America and other areas where NTSC is used. In contrast, teletext is nearly ubiquitous across Europe as well as some other regions, with most major broadcasters providing a teletext service. Common teletext services include TV schedules, regularly updated current affairs and sport news, simple games (such as quizzes) and subtitles (or closed captioning). Teletext is broadcast in numbered "pages." For example, a