CEPT Recommendation T/CD 06-01 was a standard set in 1981 by the

European Conference of Postal and Telecommunications Administrations The European Conference of Postal and Telecommunications Administrations (CEPT) was established on June 26, 1959, by nineteen European states in Montreux, Switzerland, as a coordinating body for European state telecommunications and postal ...

(CEPT) for the display of

Videotex Videotex (or interactive videotex) was one of the earliest implementations of an end-user information system. From the late 1970s to early 2010s, it was used to deliver information (usually pages of text) to a user in computer-like format, typi ...

; specifically, for the ''Videotex Presentation Layer Data Syntax''. It was revised a number of times in the 1980s, and also later redesignated as recommendation T/TE 06-01. The standard aimed to bring a degree of harmonisation between Europe's emerging videotex systems, which had been diverging along national lines. It recognised four baseline profiles (with conformance criteria set out in Annex C) based on existing videotex services: * CEPT1: BTX (Germany) * CEPT2: Teletel (France) * CEPT3:

Prestel Prestel (abbrev. from press telephone), the brand name for the UK Post Office Telecommunications's Viewdata technology, was an interactive videotex system developed during the late 1970s and commercially launched in 1979. It achieved a maxim ...

(UK) * CEPT4:

Prestel Plus Prestel (abbrev. from press telephone), the brand name for the UK Post Office Telecommunications's Viewdata technology, was an interactive videotex system developed during the late 1970s and commercially launched in 1979. It achieved a maxim ...

(Sweden) and defined criteria for a "harmonised enhanced" service. National videotex services were encouraged to either follow one of the existing four basic profiles; or if they extended them, to do so in ways compatible with the harmonised enhanced specification. Responsibility for the standard was passed to the new

European Telecommunications Standards Institute The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization in the field of information and communications. ETSI supports the development and testing of global technical standard ...

(ETSI) in 1988. The ETSI version of the standard is designated ETS 300 072.

External links

ETS 300 072
ETSI version of the standard, November 1990. Equivalent to CEPT T/CD 06-01 as amended to October 1988.
ETS 300 072 A1
Amendment with various additions, October 1996. Videotex {{Telecomm-stub