Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Teleaction service - Part 1: Protocol specification (Endorsement of the English version EN 301145-1 V 1.1.4 (1999-03) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Teleaction service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301145-2 V 1.1.4 (1999-03) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; teleaction service - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the End User Terminal (EUT) (Endorsement of the English version EN 301145-3 V 1.1.6 (1999-11) as German Standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; teleaction service - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the Service Provider Terminal (SPT) (Endorsement of the English version EN 301145-5 V 1.1.6 (1999-11) as German Standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; teleaction service - Part 7: Test Suite Structure and Test Purposes (TSS&TP) specification for the Teleaction Management Function (TMF) (Endorsement of the English version EN 301145-7 V 1.1.6 (1999-11) as German Standard)
Edition 2000-10

Intelligent Network (IN) - Capability Set 1 (CS1) extension; Intelligent Network Application Protocol (INAP); Customised Applications for Mobile network Enhanced Logic (CAMEL) - Part 1: Protocol specification (Endorsement of the English version EN 301152-1 V 1.2.2 (1998-09) as German Standard)
Edition 2001-09

Intelligent Network (IN) - IN Capability Set 1 (CS1) extension; Intelligent Network Application Protocol (INAP); Customised Applications for Mobile network Enhanced Logic (CAMEL) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301152-2 V 1.2.2 (1998-09) as German Standard)
Edition 2001-09

Synchronous Digital Hierarchy (SDH) - Unidirectional performance monitoring for the network element view (Endorsement of the English version EN 301155 V 1.1.1 (1998-05) as German Standard)
Edition 1999-12

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