Integrated Services Digital Network (ISDN) - Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
Edition 2001-06-01

Integrated Services Digital Network (ISDN) - Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No one (DSS1) protocol - Part 5: Test Suite Structure and Test Purpose (TSS&TP) specification for the network
Edition 2001-06-01

Integrated Services Digital Network (ISDN) - Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network
Edition 2001-06-01

Radio Equipment and Systems (RES). Private wide area paging service. Part 1: technical characteristics for private wide-area paging systems
Edition 1999-09-01

Telecommunications security - Integrated Services Digital Network (ISDN) - Confidentiality system for audiovisual services (Endorsement of the English version ETS 300840:1998 as German standard)
Edition 1999-06

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

Telecommunications security - Integrated Services Digital Network (ISDN) - Encryption key management and authentication system for audiovisual services (Endorsement of the English version ETS 300841:1998 as German standard)
Edition 1999-06

Services and Protocols for Advanced Networks (SPAN) - Operation of the Bearer Independent Call Control (BICC) protocol with SIG.4/PNNI1.0/AINI signalling specification (ATM Forum specification AF-CS-VMOA-0146.000 (2000), modified) (Endorsement of the English version EN 302120 V 1.1.1 (2003-01) as German standard)
Edition 2003-07

Cable networks for television signals, sound signals and interactive services - Part 7-2: Hybrid fibre coax outside plant status monitoring - Media Access Control (MAC) layer specification (IEC 60728-7-2:2003); German version EN 60728-7-2:2005, text in English
Edition 2005-08

Information technology - Character repertoire and coding for interworking with telex services; German version EN 1922:1997
Edition 1997-12