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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); Security related network functions (GSM 03.20 version 4.4.1)
Standard published on 15.8.1997
Selected format:European digital cellular telecommunications system (Phase 2); Functions related to Mobile Station (MS) in idle mode (GSM 03.22)
Standard published on 15.2.1995
Selected format:European digital cellular telecommunications system (Phase 2); Functions related to Mobile Station (MS) in idle mode (GSM 03.22)
Standard published on 6.10.1995
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Functions related to Mobile Station (MS) in idle mode (GSM 03.22)
Standard published on 30.5.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Functions related to Mobile Station (MS) in idle mode (GSM 03.22)
Standard published on 15.9.1996
Selected format:European digital cellular telecommunications system (Phase 2); Technical realization of Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40)
Standard published on 30.10.1994
Selected format:European digital cellular telecommunications system (Phase 2); Technical realization of Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40)
Standard published on 7.4.1995
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40)
Standard published on 15.1.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40)
Standard published on 30.5.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40)
Standard published on 15.10.1996
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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