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 11: Supplementary services stage 2 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-11-12 V1.1.2 (2003-05) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-12-12 V1.1.2 (2003-05) as German standard)
Edition 2004-08

Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Holding (HOLD) supplementary services - Stage 1 (Endorsement of the English version ETS 300516:1996-05 as German standard)
Edition 2001-04

European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
Edition 1995-09

Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (Endorsement of the English version ETS 300567:1996-08 as German standard)
Edition 2001-04

Household cooking gas appliances
Edition 2024-02-01

Household cooking ranges
Edition 2016-05-01

Household cooking and liquid-heating appliances
Edition 2019

Motor-operated appliances (household and commercial)
Edition 2018