Digital cellular telecommunications system (Phase 2) - GSM Network configuration management; English version ETS 300617:1996
Edition 1997-07

Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements (IEC 61158-4-3:2019); English version EN IEC 61158-4-3:2019, only on CD-ROM
Edition 2020-08

Industrial communication networks - Fieldbus specifications - Part 4-11: Data-link layer protocol specification - Type 11 elements (IEC 61158-4-11:2014); English version EN 61158-4-11:2014, only on CD-ROM
Edition 2015-09

Terminal Equipment (TE) - Integrated Services Digital Network (ISDN) - Multipoint communications for audiovisual services; main functionalities and basic requirements for Multipoint Control Units (MCUs); English version ETS 300483:1996
Edition 1996-12

European digital cellular telecommunications system (phase 2) - Mobile radio interface signalling layer 3, general aspects; English version ETS 300556:1995
Edition 1995-08

Industrial communication Networks - Fieldbus specifications - Part 4-2: Data-link layer protocol specification - Type 2 elements (IEC 61158-4-2:2019); English version EN IEC 61158-4-2:2019, only on CD-ROM
Edition 2020-08

European digital cellular telecommunications system (Phase 2) - Mobile Station - Base Station System (MS-BSS) interface - Data Link (DL) layer specification; English version ETS 300555:1994
Edition 1995-01

Digital cellular telecommunications system (Phase 2) - Network Management (NM) procedures and messages on the A-bis interface; English version ETS 300623:1996
Edition 1997-07

Industrial communication networks - Fieldbus specifications - Part 4-1: Data-link layer protocol specification - Type 1 elements (IEC 61158-4-1:2014); English version EN 61158-4-1:2014, only on CD-ROM
Edition 2015-09

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