European digital cellular telecommunications system (phase 2) - Advice of Charge (AoC) supplementary services, stage 3; English version ETS 300570:1995
Edition 1995-08

Distribution automation using distribution line carrier systems - Part 4-33: Data communication protocols; data link layer; connection oriented protocol (IEC 61334-4-33:1998); German version EN 61334-4-33:1998, text in English
Edition 1999-08

Integrated Services Digital Network (ISDN) - Signalling system no. 7 - ISDN User Part (ISUP) version 1; Test specification; English version ETS 300335:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Closed User Group (CUG) supplementary services - Stage 2; English version ETS 300546:1996
Edition 1996-08

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Call handling additional network features; functional capabilities and information flows; English version ETS 300695:1996
Edition 1996-12

Universal Personal Telecommunication (UPT) - Security architecture for UPT phase 2 - Conformance Test Specification; English version ETS 300791:1997
Edition 1998-07

European digital cellular telecommunications system (Phase 2) - Signalling requirements relating to routeing of calls to mobile subscribers; English version ETS 300524:1994
Edition 1995-01

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; functional capabilities and information flows; english version ETS 300137:1992
Edition 1992-12

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

Data communication; multilink procedures; identical with ISO 7478:1987 (status as of 1989)
Edition 1989-11