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
BBC World Service 05:20am on BBC Radio 4 FM & DAB. It has always been in mono on its own DAB channel with a bit rate of just 64 kbit/s. BBC World Service can also be heard on BBC Radio Wales from 01:00am until 05:30am on MW and FM stereo. In the 1990s, the BBC purchased and constructed large medium wave and FM networks in the former Soviet bloc, particularly the Czech (BBC Czech Section), Slovak Republics (BBC Slovak Section), Poland (BBC Polish Section) (where it was a national network) and Russia (BBC Russian Service). It had built up a strong audience during