Teletext specifications
Specification documents
Specification of standards for information transmission by digitally coded signals in the field-blanking interval of-625-line television systems
This early specification dated October 1984, published jointly by the BBC, IBA, and BREMA describes the initial compatible CEEFAX/ORACLE system which used different control codes to the 1976 teletext standard.
A scanned copy is available from blunham.com.
The Broadcast Teletext Specification
The specification dated September 1976, published jointly by the BBC, IBA, and BREMA redefines some aspects of the 1974 standard and adds additional functionality. It also suggests changes which could be made to support 525 line 60Hz systems.
A scanned copy is available from archive.org.
World System Teletext and Data Broadcasting
This specification dated February 1990 is available from blunham.com.
Interim Technical Document SPB 942 – Teletext specification
Published by the European Broadcasting Union in December 1992.
A scanned copy of SPB 492 is available from blunham.com.
ETS 300 706 – Enhanced Teletext specification
The current teletext specification.
Two versions of ETS 300 706 are available from etsi.org; The first edition dated May 1997, and V1.2.1 dated April 2003.
ETS 300 708 – Data transmission within Teletext
This specification defines teletext databroadcast.
Two versions of ETS 300 708 are available from etsi.org; The first edition dated March 1997, and V1.2.1 dated April 2003.
ETS 300 231 – Specification of the domestic video Programme Delivery Control system
This specification describes the use of teletext for Programme Delivery Control.
Two versions of ETS 300 231 are available from etsi.org; The second edition dated April 1998, and V1.3.1 dated April 2003.
Codes of practice
ETR 287 – Code of practice for enhanced Teletext
This ETSI technical report dated October 1996 describes the principles of Level 2.5 teletext and provides recommendations on its use.
TR 101 233 – Code of practice for allocation of services in the Vertical Blanking Interval
This ETSI technical report V1.1.1 dated February 1998 describes the signals which may be found in the vertical blanking interval of European television services, and how the available lines may be assigned.