Template:Teletext - DefZone.Net

Standards

Services (List)

Current	Teletext ČT Televideo

Former	Ceefax ORACLE Sky Text RTÉ Aertel Téacs TG4 Sbectel Telidon ExtraVision Electra NBC Teletext Mediavideo Austext Infonet TVNZ Teletext MediaCorp Teletext SWISS TXT

Other developments