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Standards ETSI - European Telecommunication Standard Institute - Page 1168
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.
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ETSI TS 122226-V7.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Global text telephony (GTT); Stage 1: Service description (3GPP TS 22.226 version 7.0.0 Release 7)
Standard published on 30.6.2007
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ETSI TS 122226-V8.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Global text telephony (GTT); Stage 1: Service description (3GPP TS 22.226 version 8.0.0 Release 8)
Standard published on 19.1.2009
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ETSI TS 122226-V9.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Global text telephony (GTT); Stage 1: Service description (3GPP TS 22.226 version 9.0.0 Release 9)
Standard published on 21.1.2010
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ETSI TS 122228-V10.4.1
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 10.4.1 Release 10)
Standard published on 7.4.2011
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ETSI TS 122228-V10.5.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 10.5.0 Release 10)
Standard published on 10.1.2013
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ETSI TS 122228-V11.5.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 11.5.0 Release 11)
Standard published on 13.11.2012
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ETSI TS 122228-V11.6.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 11.6.0 Release 11)
Standard published on 10.1.2013
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ETSI TS 122228-V12.10.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 12.10.0 Release 12)
Standard published on 20.7.2015
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ETSI TS 122228-V12.8.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 12.8.0 Release 12)
Standard published on 3.10.2014
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ETSI TS 122228-V12.9.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 12.9.0 Release 12)
Standard published on 12.1.2015
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