European digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 2; English version ETS 300548:1995
Edition 1995-09

Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subscriber (CCBS) supplementary service - Functional capabilities and information flows; English version ETS 300358:1995
Edition 1996-04

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

Multimedia systems - Common communication protocol for inter-connectivity on heterogeneous networks (IEC 62295:2007); German version EN 62295:2009
Edition 2010-02

European digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 2; English version ETS 300545:1995
Edition 1995-09

Integrated Services Digital Network (ISDN); user-network interface layer 3; specifications for basic call control; Specification Description Language (SDL) diagrams; english version ETS 300102-2:1990
Edition 1992-02

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

Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 400: Multiple talkers and multiple listeners; Ship systems interconnection; Introduction and general principles (IEC 61162-400:2001); German version EN 61162-400:2002, text in English
Edition 2002-11

Geographic information - Positioning services (ISO/DIS 19116:2024); English version prEN ISO 19116:2024
Edition 2024-03

Geographic information - Positioning services (ISO 19116:2019); English version EN ISO 19116:2019
Edition 2020-09