Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 14: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300392-14:1997 as German standard)
Edition 1999-07

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 3: Abstract Test Suite (ATS) for Logical Link Control (LLC) (Endorsement of the English version ETS 300394-2-3:1998 as German standard)
Edition 1999-07

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 4: Abstract Test Suite (ATS) for Medium Access Control (MAC) (Endorsement of the English version ETS 300394-2-4:1998 as German standard)
Edition 1999-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 9: Access priority (Endorsement of the English version ETS 300392-10-9:1999 as German Standard)
Edition 1999-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 4: Gateways basic operation; Sub-part 1: Public Switched Telephone Network (PSTN) (Endorsement of the English version ETS 300392-4-1:1999 as German standard)
Edition 1999-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 9: Access priority (AP) (Endorsement of the English version ETS 300392-12-9:1998 as German standard)
Edition 1999-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 11: General design, SIP/IP (Endorsement of the English version EN 300 392-3-11 V1.2.1 (2020-04) as a German standard)
Edition 2020-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 12: Transport layer independent Additional Network Feature Individual Call (ANF-ISIIC) (Endorsement of the English version EN 300 392-3-12 V1.2.1 (2020-04) as a German standard)
Edition 2020-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 15: Transport layer independent Additional Network Feature, Mobility Management (ANF-ISIMM) (Endorsement of the English version EN 300 392-3-15 V1.2.1 (2020-04) as a German standard)
Edition 2020-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 13: Call Completion to Busy Subscriber (CCBS) (Endorsement of the English version EN 300 392-12-13 V1.2.1 (2012-03) as German standard)
Edition 2012-11