European digital cellular telecommunications system (Phase 2) - Principles of telecommunication services supported by a GSM Public Land Mobile Network (PLMN); English version ETS 300500:1996
Edition 1996-08

Terminal Equipment (TE) - Test procedures for teletex; English version ETS 300017:1994
Edition 1995-02

European digital cellular telecommunications system (Phase 2) - Numbering, addressing and identification; English version ETS 300523:1995
Edition 1995-09

Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 2: Use of basic standards (OSI layers 1-4) (IEC 60870-6-2:1995); German version EN 60870-6-2:1995
Edition 1997-06

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 1: General aspects; English version ETS 300133-1:1997
Edition 1998-12

Integrated Services Digital Network (ISDN); support of CCITT recommendation X.21, X.21bis and X.20bis based Data Terminal Equipments (DTEs) by an ISDN; synchronous and asynchronous terminal adaption functions; english version ETS 300103:1990
Edition 1992-02

European digital cellular telecommunications system (Phase 2) - Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities; English version ETS 300584:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - GSM Public Land Mobile Network (PLMN) connection types; English version ETS 300528:1994
Edition 1995-01

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 3: Network aspects; English version ETS 300133-3:1997
Edition 1998-12

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