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ETSI TS 122226-V17.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Global Text Telephony (GTT); Stage 1 (3GPP TS 22.226 version 17.0.0 Release 17)
Standard published on 8.4.2022
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ETSI TS 122226-V18.0.1
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Global Text Telephony (GTT); Stage 1 (3GPP TS 22.226 version 18.0.1 Release 18)
Standard published on 13.5.2024
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ETSI TS 122226-V19.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Global Text Telephony (GTT); Stage 1 (3GPP TS 22.226 version 19.0.0 Release 19)
Standard published on 23.10.2025
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ETSI TS 122226-V5.2.0
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Universal Mobile Telecommunications System (UMTS); Global text telephony; Stage 1: Service description (3GPP TS 22.226 version 5.2.0 Release 5)
Standard published on 31.3.2002
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ETSI TS 122226-V6.0.0
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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 6.0.0 Release 6)
Standard published on 31.12.2004
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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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