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Standards [CURRENT]

DIN EN 300392-9

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 9: General requirements for supplementary services (Endorsement of the English version EN 300 392-9 V1.7.1 (2020-04) as a German standard)
Edition 2020-07

Standards [CURRENT]

DIN ETS 300544

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. (GSM 04.83)
Edition 1998-04-01

Standards [CURRENT]

DIN ETS 300956

Digital cellular telecommunications system (Phase 2+) - Call Barring (CB) supplementary services - Stage 3 (Endorsement of the English version ETS 300956:1998-07 as German standard)
Edition 2001-06

Standards [CURRENT]

DIN EN 301259

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private Integrated Network eXchange (PINX) clock synchronization (ISO/IEC 15507 (1997), modified) (Endorsement of the English version EN 301259 V 1.1.1 (1998-10) as German standard)
Edition 2000-03

Standards [CURRENT]

DIN ETS 300529

Digital cellular telecommunications system (Phase 2) - Technical realisation of supplementary services (Endorsement of the English version ETS 300529:1996-11 as German standard)
Edition 2001-04

Standards [CURRENT]

DIN ETS 300542

Digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 2 (Endorsement of the English version ETS 300542:1999-01 as German standard)
Edition 2001-04

Standards [CURRENT]

DIN ETS 300558

Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 - Supplementary services specification; General aspects (Endorsement of the English version ETS 300558:1996-08 as German standard)
Edition 2001-04

Standards [CURRENT]

DIN ETS 300564

Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 - Supplementary services specification; Formats and coding (Endorsement of the English version ETS 300564:1996-08 as German standard)
Edition 2001-04

Standards [CURRENT]

DIN EN 301133

Integrated Services Digital Network (ISDN) - Selective Call Forwarding (SCF) supplementary services (unconditional, busy and no reply) - Service description (Endorsement of the English version EN 301133 V 1.1.1 (1998,10) as German standard)
Edition 2000-09

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