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.
ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.4.1)
Standard published on 30.4.1997
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.6.3)
Standard published on 28.2.1998
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.9.1)
Standard published on 30.10.1998
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.10.1 Release 1996)
Standard published on 16.12.1998
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.11.1 Release 1996)
Standard published on 23.3.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.12.1 Release 1996)
Standard published on 5.10.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.13.1 Release 1996)
Standard published on 22.12.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.14.1 Release 1996)
Standard published on 28.4.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.15.1 Release 1996)
Standard published on 5.10.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specification (GSM 04.08 version 5.16.1 Release 1996)
Standard published on 10.10.2000
Selected format:Latest update: 2025-09-19 (Number of items: 2 235 321)
© Copyright 2025 NORMSERVIS s.r.o.