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ETSI TS 123279-V17.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 17.0.0 Release 17)
Standard published on 5.4.2022
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ETSI TS 123279-V18.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 18.0.0 Release 18)
Standard published on 24.4.2024
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ETSI TS 123279-V19.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 19.0.0 Release 19)
Standard published on 14.10.2025
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ETSI TS 123279-V7.6.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 7.6.0 Release 7)
Standard published on 31.3.2007
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ETSI TS 123279-V7.7.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 7.7.0 Release 7)
Standard published on 12.10.2007
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ETSI TS 123279-V8.1.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 8.1.0 Release 8)
Standard published on 17.2.2009
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ETSI TS 123279-V9.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 9.0.0 Release 9)
Standard published on 11.1.2010
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ETSI TS 123280-V14.1.0
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LTE; Common functional architecture to support mission critical services; Stage 2 (3GPP TS 23.280 version 14.1.0 Release 14)
Standard published on 12.5.2017
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ETSI TS 123280-V14.2.0
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LTE; Common functional architecture to support mission critical services; Stage 2 (3GPP TS 23.280 version 14.2.0 Release 14)
Standard published on 13.7.2017
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ETSI TS 123280-V14.3.0
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LTE; Common functional architecture to support mission critical services; Stage 2 (3GPP TS 23.280 version 14.3.0 Release 14)
Standard published on 4.10.2017
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