Terristrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 11-22: Dynamic group number assignment (DGNA) (Endorsement of the English version ETS 300392-11-20:2000-04 as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary service stage 3; Sub-part 12-5: List Search Call (LSC) (Endorsement of the English version ETS 300392-12-5:2000-09 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 4-3: 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

Terrestrial Trunked Radio (TETRA) - Attachment requirements for TETRA terminal equipment - Part 2: Emergency access (Endorsement of the English version EN 301435-2 V 1.2.4 (2000-12) as German Standard)
Edition 2001-08

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration - Part 1: Interworking specification (Endorsement of the English version EN 300434-1 V 1.2.1 (2001-10) as German Standard)
Edition 2002-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 17: Include Call (IC) (Endorsement of the English version EN 300392-12-17 V 1.1.2 (2002-01) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 18: Barring of Outgoing Calls (BOC) (Endorsement of the English version EN 300392-12-18 V 1.1.1 (2001-08) as German standard)
Edition 2003-04