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ETSI TR 122977-V18.0.1
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 18.0.1 Release 18)
Standard published on 13.5.2024
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ETSI TR 122977-V19.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 19.0.0 Release 19)
Standard published on 22.10.2025
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ETSI TR 122977-V6.0.0
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Universal Mobile Telecommunications System (UMTS); Feasibility study for speech-enabled services (3GPP TR 22.977 version 6.0.0 Release 6)
Standard published on 28.1.2005
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ETSI TR 122977-V7.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Feasibility study for speech-enabled services (3GPP TR 22.977 version 7.0.0 Release 7)
Standard published on 30.6.2007
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ETSI TR 122977-V8.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 8.0.0 Release 8)
Standard published on 19.1.2009
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ETSI TR 122977-V9.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 9.0.0 Release 9)
Standard published on 4.2.2010
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ETSI TR 122978-V10.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; All-IP network (AIPN) feasibility study (3GPP TR 22.978 version 10.0.0 Release 10)
Standard published on 19.5.2011
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ETSI TR 122978-V11.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; All-IP network (AIPN) feasibility study (3GPP TR 22.978 version 11.0.0 Release 11)
Standard published on 4.10.2012
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ETSI TR 122978-V12.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; All-IP network (AIPN) feasibility study (3GPP TR 22.978 version 12.0.0 Release 12)
Standard published on 23.10.2014
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ETSI TR 122978-V13.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; All-IP network (AIPN) feasibility study (3GPP TR 22.978 version 13.0.0 Release 13)
Standard published on 22.1.2016
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