Public transport - Service interface for real-time information relating to public transport operations - Part 2: Communications infrastructure; English version EN 15531-2:2022
Edition 2023-02

Network aspects (NA) - Metropolitan Area Network (MAN) - Interconnection of MANs; English version ETS 300275:1994
Edition 1994-10

Extensions for Financial Services (XFS) interface specification - Release 3.0 - Part 1: Application programming interface (API); Service Provider Interface (SPI); Programmer's Reference (English version CWA 14050-1:2000)
Edition 2001-04

Terminal Equipment (TE) - Application Programming Interface (API) for the manipulation of multimedia and hypermedia information objects; English version ETS 300714:1997
Edition 1998-04

Private Telecommunication Network (PTN); signalling at the S-reference point; generic keypad protocol for the support of supplementary services; English version ETS 300190:1992
Edition 1993-09

Extensions for Financial Services (XFS) interface specification - Part 1: Application Programming Interface (API): Service Provider Interface (SPI); programmer's reference; English version CWA 13449-1:1998
Edition 1999-03

Identification card systems - Telecommunication applications - Integrated circuit(s) card payphone; German version EN 1038:1995
Edition 1996-08

Private Telecommunication Network (PTN); signalling at the S-reference point; generic feature key management protocol for the control of supplementary services; English version ETS 300240:1993
Edition 1993-12

Industrial communication networks - Fieldbus specifications - Part 5-11: Application layer service definition - Type 11 elements (IEC 61158-5-11:2007); English version EN 61158-5-11:2008, only on CD-ROM
Edition 2008-09

Communication systems for meters - Part 5: Wireless M-Bus relaying; German version EN 13757-5:2015
Edition 2016-02