We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Digital cellular telecommunications system (Phase 2+) (GSM); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 17.0.0 Release 17)
Standard published on 4.5.2022
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 18.0.0 Release 18)
Standard published on 13.5.2024
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 19.0.0 Release 19)
Standard published on 21.10.2025
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TR 43.055 version 4.0.0 Release 4)
Standard published on 18.7.2001
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.1.0 Release 4)
Standard published on 31.7.2001
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.2.0 Release 4)
Standard published on 30.4.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.3.0 Release 4)
Standard published on 31.8.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.4.0 Release 4)
Standard published on 31.8.2004
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.5.0 Release 4)
Standard published on 30.11.2004
Selected format:Digital cellular telecommunications system (Phase 2+); Dual Transfer Mode (DTM); Stage 2 (3GPP TS 43.055 version 4.6.0 Release 4)
Standard published on 31.1.2005
Selected format:Latest update: 2026-06-22 (Number of items: 2 284 351)
© Copyright 2026 NORMSERVIS s.r.o.