Integrated Services Digital Network (ISDN) - ISDN-Global System for Mobile communications (GSM) - Public Land Mobile Network (PLMN) signalling interface; test specification; English version ETS 300482:1996
Edition 1996-12

Integrated Services Digital Network (ISDN); Advice of Charge (AOC) supplementary service; functional capabilities and information flows; English version ETS 300181:1993
Edition 1994-01

Integrated Services Digital Network (ISDN); advice of charge: charging information at the end of the call (AOC-E) supplementary service; service description; English version ETS 300180:1992
Edition 1993-09

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

Corrigendum to DIN ETS 300303:1995-01 (ETS 300303:1994/Corrigendum:1996)
Edition 1996-08

Space engineering - Telemetry and telecommand packet utilization; English version EN 16603-70-41:2017, only on CD-ROM
Edition 2017-12

European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
Edition 1995-09

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); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; serving description; english version ETS 300128:1992
Edition 1992-12