Routeing of calls to European Telephony Numbering Space (ETNS) services (Endorsement of the English version EN 301160 V 1.2.1 (2002-01) as German standard)
Edition 2003-06

Management of the European Telephony Numbering Space (ETNS) (Endorsement of the English version EN 301161 V 1.2.1 (2002-01) as German standard)
Edition 2003-06

Services and Protocols for Advanced Networks (SPAN) - Number portability for ETNS services (Endorsement of the English version EN 301937 V 1.1.1 (2002-10) as German Standard)
Edition 2003-10

Integrated Services Digital Network (ISDN) - Conference call, add-on (CONF) supplementary service - Service description (Endorsement of the English version ETS 300183:1992/A1:1998 as German standard)
Edition 2000-04

Corrigendum to DIN ETS 300389:1995-05 (ETS 300389:1994/Corrigendum:1995)
Edition 1995-10

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Connection-Oriented Bearer Service (BCOBS) [ITU-T Recommendation F.811 (1996)]; English version ETS 300780:1997
Edition 1998-08

Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version 300202:1995/A1:1996
Edition 1997-10

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-1: Examinations and measurements - Visual examination (IEC 61300-3-1:2005); German version EN 61300-3-1:2005
Edition 2006-06

Dependability management - Part 1: Guidance for management and application (IEC 60300-1:2014); German version EN 60300-1:2014
Edition 2015-01

Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
Edition 1997-10