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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); Universal Mobile Telecommunications System (UMTS); LTE; Study on security aspects of Public Warning System (PWS) (3GPP TR 33.969 version 17.1.0 Release 17)
Standard published on 12.7.2022
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Study on security aspects of Public Warning System (PWS) (3GPP TR 33.969 version 18.0.0 Release 18)
Standard published on 30.4.2024
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Study on security aspects of Public Warning System (PWS) (3GPP TR 33.969 version 19.0.0 Release 19)
Standard published on 21.10.2025
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IMS (3GPP TR 33.978 version 6.0.1 Release 6)
Standard published on 30.4.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IMS (3GPP TR 33.978 version 6.1.0 Release 6)
Standard published on 27.6.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IP Multimedia Subsystem (IMS) (3GPP TR 33.978 version 6.2.0 Release 6)
Standard published on 30.9.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IP Multimedia Subsystem (IMS) (3GPP TR 33.978 version 6.3.0 Release 6)
Standard published on 31.12.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IP Multimedia Subsystem (IMS) (3GPP TR 33.978 version 6.4.0 Release 6)
Standard published on 31.3.2006
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IP Multimedia Subsystem (IMS) (3GPP TR 33.978 version 6.5.0 Release 6)
Standard published on 30.9.2006
Selected format:Universal Mobile Telecommunications System (UMTS); Security aspects of early IP Multimedia Subsystem (IMS) (3GPP TR 33.978 version 6.6.0 Release 6)
Standard published on 19.12.2006
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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