Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441; english version ETS 300125:1991
Edition 1992-05

Distribution automation using distribution line carrier systems - Part 4-33: Data communication protocols; data link layer; connection oriented protocol (IEC 61334-4-33:1998); German version EN 61334-4-33:1998, text in English
Edition 1999-08

Radio Equipment and Systems (RES) - Digital European Cordless Telecommunications (DECT) - DECT Authentication Module (DAM); English version ETS 300331:1995
Edition 1996-06

Human Factors (HF) - Minimum Man-Machine Interface (MMI) to public network based supplementary services; English version ETS 300738:1997
Edition 1998-04

Digital Video Broadcasting (DVB) - DVB interfaces to Plesiochronous Digital Hierarchy (PDH) networks; English version ETS 300813:1997
Edition 1998-07

Radio Equipment and Systems (RES) - Land mobile service - Binary Interchange of Information and Signalling at 1200 bit/s (BIIS 1200); English version ETS 300230:1996
Edition 1998-06

Integrated Services Digital Network (ISDN); syntax-based videotex lower layers protocols for ISDN packet mode (CCITT Recommendation X.31 case A and case B); English version ETS 300218:1993
Edition 1994-01

Graphical symbols for diagrams - Part 12: Binary logic elements (IEC 60617-12:1997); German version EN 60617-12:1998
Edition 1999-04

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

Digital Enhanced Cordless Telecommunications (DECT) - DECT Authentication Module (DAM) - Test specification for DAM; English version ETS 300759:1997
Edition 1998-07