Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 1: Call identification (CI) (Endorsement of the English version EN 300392-10-1 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 1: Call Identification (CI) (Endorsement of the English version EN 300392-11-1 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-10-12 V1.3.1 (2004-02) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 11: Call Waiting (CW) (Endorsement of the English version EN 300392-10-11 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-11-6 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Universal Personal Telecommunication (UPT) - UPT phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN) and Global System for Mobile communications (GSM) terminals (one pass and multiple pass authentication); Conformance test specification (Endorsement of the English version EN 301363 V 1.1.2 (1999-05) as German Standard)
Edition 2001-08

Universal Personal Telecommunication (UPT) - UPT phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CADs); UPT card accepting Dual Tone Multiple Frequency (DTMF) device; Conformance test specification (Endorsement of the English version EN 301366 V 1.1.2 (1999-05) as German Standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) and Direct Mode Operation (DMO) - Part 5: Peripheral Equipment Interface (PEI) (Endorsement of the English version EN 300 392-5 V2.7.1 (2020-04) as a German standard)
Edition 2020-07

Terrestrial Trunked Radio (TETRA) - Direct Mode Operation (DMO) - Part 6: Security (Endorsement of the English version EN 300 396-6 V1.6.1 (2016-11) as German standard)
Edition 2017-02

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 1: General design (Endorsement of the English version EN 300 392-3-1 V1.4.1 (2015-12) as German standard)
Edition 2016-04