Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 4: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (NTN side) (Endorsement of the English version EN 301141-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 301005-3 V 1.1.2 (2000-05) as German Standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer (NTN side) (Endorsement of the English version EN 301141-3 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE side) (Endorsement of the English version EN 301141-5 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Test Suite Structure and Test Purposes (TSS&TP) specification for Service Switching Function (SSF) - Part 2: Call Party Handling (CPH) (Endorsement of the English version EN 301933-2 V 1.1.1 (2003-01) as German Standard)
Edition 2003-07

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Test Suite Structure and Test Purposes (TSS&TP) specification for Service Switching Function (SSF) - Part 3: Specialized Resource Functions (SRF) (Endorsement of the English version EN 301933-3 V 1.1.1 (2003-01) as German standard)
Edition 2003-07

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Explicit Call Transfer (ECT) supplementary service - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300369-3 V 1.3.1 (2002-05) as German Standard)
Edition 2002-12

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Explicit Call Transfer (ECT) supplementary service - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 300369-5 V 1.3.1 (2002-05) as German Standard)
Edition 2002-12

Digital Enhanced Cordless Telecommunications (DECT) - DECT Packet Radio Service (DPRS) Test Case Library (TCL) - Part 2: Abstract Test Suite (ATS); Medium Access Control (MAC) layer; Portable radio Termination (PT) (Endorsement of the English version EN 301469-2 V 1.1.1 (2000-10) as German standard)
Edition 2002-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1); Line Hunting (LH) supplementary service - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 301484-5 V 1.1.1 (2001-09) as German Standard)
Edition 2002-11