Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Cordless Terminal Incoming Call additional network feature (ANF-CTMI) for the VPN "b" service entry point - Part 1: Test Suite structure and Test Purposes (TSS&TP) (Endorsement of the English version EN 301455-1 V 1.1.4 (2000-09) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Cordless Terminal Location Registration (CTLR) supplementary service - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 301454-1 V 1.1.4 (2000-09) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Diversion supplementary services (ISO/IEC 13873 (1995), modified) - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 301453-1 V 1.1.2 (2000-11) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Call completion supplementary service for the VPN "b" service entry point - Part 1: Test Suite structure and Test Purposes (TSS&TP) (Endorsement of the English version EN 301452-1 V 1.1.4 (2000-09) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol, Circuit mode basic services, Network Layer (NL) - Part 1: Test Suite Structure and Test Purposes (TSS&TP) (Endorsement of the English version EN 300805-1 V 1.2.1 (2000-05) as German standard)
Edition 2001-06

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-3: Test Suite Structure and Test Purposes (TSS&TP) for Mobile Station (MS) Repeater type 1 (Endorsement of the English version EN 300394-4-3 V 1.1.1 (2001-01) as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 1 (Endorsement of the English version EN 300394-4-4 V 1.1.1 (2001-01) as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-11: Test Suite Structure and Test Purposes (TSS&TP) for Mobile Station (MS) Repeater type 2 (Endorsement of the English version EN 300394-4-11 V 1.1.1 (2001-01) as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-12: Test Suite Structure and Test Purposes (TSS&TP) for Repeater type 2 (Endorsement of the English version EN 300394-4-12 V 1.1.1 (2001-01) as German standard)
Edition 2001-08

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; Negotiation during call/connection establishment phase - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 301067-5 V 1.2.1 (2000-09) as German Standard)
Edition 2001-09