Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; service description; english version ETS 300059:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); ISDN lower layer protocols for telematic terminals; English version ETS 300080:1992
Edition 1993-09

Terminal Equipment (TE); international videotex interworking between a terminal and a host; english version ETS 300106:1991
Edition 1993-04

Integrated Services Digital Network (ISDN); attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; layer 3 aspects; english version ETS 300104:1991
Edition 1992-05

Integrated Services Digital Network (ISDN) - Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access - Layer 3 aspects; English version ETS 300104:1991/A1:1994
Edition 1994-11

Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-1: Specification of environmental tests; Storage (Endorsement of the English version EN 300 019-2-1 V2.3.1 (2017-11) as a German standard)
Edition 2018-06

Terminal equipment (TE) - Terminal characteristics for the telematic file transfer within the teletex service (ITU-T Recommendation T.571, modified); English version ETS 300154:1994
Edition 1994-08

Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; service description; english version ETS 300050:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; functional capabilities and information flows; english version ETS 300054:1991
Edition 1992-09