Aerospace; offsettings; directions for design and examples
Edition 1993-03

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Message waiting indication supplementary service (ISO/IEC 15505 (2003), modified) (Endorsement of the English version EN 301260 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Message waiting indication supplementary service (ISO/IEC 15506 (2003), modified) (Endorsement of the English version EN 301255 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300745-1 V 1.2.4 (1998-06) as German standard)
Edition 1999-11

Graphical symbol for information about surveillance with optical-electronic devices (video information symbol)
Edition 2022-04

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) 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 300745-6 V 1.3.2 (1999-11) as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300745-2 V 1.2.4 (1998-06) 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 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