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ETSI TR 123977-V14.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 14.0.0 Release 14)
Standard published on 3.5.2017
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ETSI TR 123977-V15.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 15.0.0 Release 15)
Standard published on 28.6.2018
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ETSI TR 123977-V16.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 16.0.0 Release 16)
Standard published on 28.7.2020
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ETSI TR 123977-V17.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 17.0.0 Release 17)
Standard published on 5.4.2022
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ETSI TR 123977-V18.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 18.0.0 Release 18)
Standard published on 25.4.2024
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ETSI TR 123977-V19.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 19.0.0 Release 19)
Standard published on 14.10.2025
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ETSI TR 123977-V6.1.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 6.1.0 Release 6)
Standard published on 31.1.2005
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ETSI TR 123977-V7.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 7.0.0 Release 7)
Standard published on 25.6.2007
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ETSI TR 123977-V8.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 8.0.0 Release 8)
Standard published on 19.1.2009
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ETSI TR 123977-V9.0.0
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Universal Mobile Telecommunications System (UMTS); Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks (3GPP TR 23.977 version 9.0.0 Release 9)
Standard published on 11.1.2010
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