Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 1: General description of speech functions (Endorsement of the English version EN 300395-1 V1.2.1 (2005-01) as German standard)
Edition 2005-07

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 2: TETRA codec (Endorsement of the English version EN 300395-2 V1.3.1 (2005-01) as German standard)
Edition 2005-07

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 4: Codec conformance testing (Endorsement of the English version EN 300395-4 V1.3.1 (2005-06) as German standard)
Edition 2006-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 3: Talking Party Identification (TPI) (Endorsement of the English version EN 300392-12-3 V1.3.1 (2006-04) as German standard)
Edition 2006-11

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 7: Test Suite Structure and test Purposes (TSS&TP) for Mobile Station to GateWay (MS-GW) Air Interface (AI) (Endorsement of the English version ETS 300394-4-7:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 2: Abstract Test Suite (ATS) for Mobile Station to Mobile Station (MS-MS) Air Interface (AI) (Endorsement of the English version ETS 300394-4-2:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-1: Test Suite Structure and test Purposes (TSS&TP) for Mobile Station to Mobile Station (MS-MS) Air Interface (AI) (Endorsement of the English version ETS 300394-4-1:1999 as German standard)
Edition 2000-05

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 2: Speech services, radio interface (Endorsement of the English version ETS 300326-2:1998-08 as German standard)
Edition 2001-02

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 1: Speech services, facilities and requirements (Endorsement of the English version ETS 300326-1:1998-08 as German standard)
Edition 2001-02

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 3: Speech services, radio interface (Endorsement of the English version ETS 300326-3:1998-08 as German standard)
Edition 2001-02