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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.
Universal Mobile Telecommunications System (UMTS); Presence service; Security (3GPP TS 33.141 version 6.2.0 Release 6)
Standard published on 30.9.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Presence service; Security (3GPP TS 33.141 version 7.0.0 Release 7)
Standard published on 31.12.2005
Selected format:Universal Mobile Telecommunications System (UMTS); Presence service; Security (3GPP TS 33.141 version 7.1.0 Release 7)
Standard published on 30.6.2006
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Presence service; Security (3GPP TS 33.141 version 8.1.0 Release 8)
Standard published on 19.1.2009
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Presence service; Security (3GPP TS 33.141 version 9.0.0 Release 9)
Standard published on 8.2.2010
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Presence service; Security (3GPP TS 33.141 version 9.1.0 Release 9)
Standard published on 18.10.2010
Selected format:LTE; 5G; Battery Efficient Security for very low throughput Machine Type Communication (MTC) devices (BEST) (3GPP TS 33.163 version 15.3.0 Release 15)
Standard published on 18.9.2018
Selected format:LTE; 5G; Battery Efficient Security for very low throughput Machine Type Communication (MTC) devices (BEST) (3GPP TS 33.163 version 15.4.0 Release 15)
Standard published on 10.10.2018
Selected format:LTE; 5G; Battery Efficient Security for very low throughput Machine Type Communication (MTC) devices (BEST) (3GPP TS 33.163 version 15.5.0 Release 15)
Standard published on 2.7.2019
Selected format:LTE; 5G; Battery Efficient Security for very low throughput Machine Type Communication (MTC) devices (BEST) (3GPP TS 33.163 version 15.6.0 Release 15)
Standard published on 9.10.2019
Selected format:Latest update: 2026-06-28 (Number of items: 2 284 473)
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