Aerospace series - General recommendation for the BIT Architecture in an integrated system; German and English version EN 9721:2021
Edition 2022-09

Integrated Services Digital Network (ISDN) - Signalling interworking specification for ISDN User Part (ISUP) version 1; English version ETS 300343:1994
Edition 1995-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Signalling interworking specification for ISDN User Part (ISUP) version 2; English version ETS 300360:1995
Edition 1995-11

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

European digital cellular telecommunications system (Phase 2) - Layer 1 - General requirements; English version ETS 300553:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - In-band control of remote transcoders and rate adaptors for half rate traffic channels; English version ETS 300598:1995
Edition 1996-08

Transmission and Multiplexing (TM) - Flexible Multiplexer Equipment - Part 1: Core functions, 2048 kbit/s aggregate interface functions, tributary interface functions and special functions; English version ETS 300461-1:1996
Edition 1997-07

Interfaces of tank systems - Petrol station interface - Part 4: Tank gauge
Edition 2000-07

Information technology - RFID in rail; German version EN 17230:2020
Edition 2021-03

Integrated Services Digital Network (ISDN) - ISDN-Global System for Mobile Communications (GSM) - Public Land Mobile Network (PLMN) signalling interface; English version ETS 300303:1994
Edition 1995-01