Information technology - Character code structure and extension techniques (ISO/IEC 2022:1994)
Edition 1996-11

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 5: D-VHS (IEC 60774-5:2004); German version EN 60774-5:2004
Edition 2005-06

Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services; English version ETS 300192:1992
Edition 1993-09

Integrated Services Digital Network (ISDN); user-network interface layer 3; specification for basic call control; english version ETS 300102-1:1990
Edition 1992-02

Videotex presentation layer data syntax; geometric display (CEPT-recommendation T/TE 06-02, Edinburgh 1988); english version ETS 300073:1990
Edition 1992-02

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol, Generic functional protocol for the support of supplementary services - Part 2: Abstract Test Suite (ATS) specification; English version ETS 300806-2:1998
Edition 1998-12

Information technology - 7-bit code
Edition 1999-02

Integrated Services Digital Network (ISDN); attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; layer 3 aspects; english version ETS 300104:1991
Edition 1992-05