Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 19: Barring of Incoming Calls (BIC) (Endorsement of the English version EN 300392-10-19 V 1.2.1 (2002-09) as German standard)
Edition 2003-09

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) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 19: Barring of Incoming Calls (BIC) (Endorsement of the English version EN 300392-12-19 V 1.1.1 (2001-08) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 19: Barring of Incoming Calls (BIC) (Endorsement of the English version EN 300392-11-19 V 1.1.1 (2001-08) as German standard)
Edition 2003-04

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 10: Supplementary services stage 1; Sub-part 10-20: Discreet listening (DL) (Endorsement of the English version ETS 300392-10-20:1999-05 as German Standard)
Edition 2001-08

Behavioural languages - Part 3-3: Synthesis in VHDL (IEC 61691-3-3:2001); German version EN 61691-3-3:2001
Edition 2002-11

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control - Part 2: Specification and Description language (SDL) diagrams (Endorsement of the English version EN 300403-2 V 1.3.1 (2000-11) as German standard)
Edition 2001-05

Ergonomic requirements for office work with visual display terminals (VDTs) - Part 15: Command dialogues (ISO 9241-15:1997); German version EN ISO 9241-15:1997
Edition 1999-08