Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300745-3 V 1.2.4 (1998-09) as German standard)
Edition 1999-11

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 300745-5 V 1.2.4 (1998-09) as German standard)
Edition 1999-11

IMT cellular networks - Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU - Part 12: CDMA Multi-Carrier (cdma2000) Repeaters (Endorsement of the English version EN 301 908-12 V7.1.1 (2016-05) as German standard)
Edition 2016-08

Household appliances interworking - Part 2: Data structures; German version EN 50523-2:2009
Edition 2010-05

Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service; 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 (Endorsement of the English version EN 300210-6 V 1.2.4 (1998-12) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Signalling Connection Control Part (SCCP) (connectionless and connection-oriented class 2) to support international interconnection - Part 3: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version ETS 300009-3:2000 as German standard)
Edition 2000-05

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5-1: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment (Endorsement of the English version EN 300462-5-1 V 1.1.2 (1998-05) as German standard)
Edition 2000-07

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Test Case Library (TCL) - Part 6: Test Suite Structure (TSS) and Test Purposes (TP), Network (NWK) layer; Portable radio Termination (PT) (Endorsement of the English version EN 300497-6 V 0.3.2 (1999-09) as German standard)
Edition 2000-07

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Test Case Library (TCL) - Part 3: Abstract Test Suite (ATS) for Medium Access Control (MAC) layer; Fixed radio Termination (FT) (Endorsement of the English version EN 300497-3 V 0.3.2 (1999-09) as German standard)
Edition 2000-07

Integrated Services Digital Network (ISDN) - Subaddressing (SUB) supplementary service; 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 (Endorsement of the English version EN 300061-6 V 1.3.3 (1999-11) as German standard)
Edition 2000-09