Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category; service description; english version ETS 300108:1992
Edition 1993-04

Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
Edition 1994-11

Integrated Services Digital Network (ISDN); service requirements for telefax group 4; English version ETS 300120:1992
Edition 1993-06

Integrated Services Digital Network (ISDN); Teletex end-to-end protocol over the ISDN; English version ETS 300081:1993
Edition 1994-01

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11

Transmission and Multiplexing (TM) - Performance monitoring information model for the Network Element (NE) view; English version ETS 300411:1995
Edition 1995-11

European digital cellular telecommunications system (Phase 2) - Data Link (DL) layer - General aspects; English version ETS 300554:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Interworking between the Public Land Mobile Network (PLMN) and a Packet Switched Public Data Network/Integrated Services Digital Network (PSPDN/ISDN) for the support of packet switched data transmission services; English version ETS 300603:1994
Edition 1995-01

Integrated Sevices Digital Network (ISDN); 3,1 kHz telephony teleservice; attachment requirements for handset terminals; english version ETS 300085:1990
Edition 1992-02

Industrial communication networks - Fieldbus specifications - Part 5-24: Application layer service definition - Type-24 elements (IEC 61158-5-24:2014); English version EN 61158-5-24:2014, only on CD-ROM
Edition 2016-05