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ETSI TR 126975-V16.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 16.0.0 Release 16)
Standard published on 17.9.2020
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ETSI TR 126975-V17.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 17.0.0 Release 17)
Standard published on 4.5.2022
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ETSI TR 126975-V18.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 18.0.0 Release 18)
Standard published on 21.5.2024
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ETSI TR 126975-V19.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 19.0.0 Release 19)
Standard published on 29.10.2025
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ETSI TR 126975-V3.0.0
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Universal Mobile Telecommunications System (UMTS); Performance characterization of the AMR speech codec (3GPP TR 26.975 version 3.0.0 Release 1999)
Standard published on 31.3.2001
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ETSI TR 126975-V3.1.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 3.1.0 Release 1999)
Standard published on 30.9.2001
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ETSI TR 126975-V4.0.0
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Universal Mobile Telecommunications System (UMTS); Performance characterization of the AMR speech codec (3GPP TR 26.975 version 4.0.0 Release 4)
Standard published on 31.3.2001
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ETSI TR 126975-V4.1.0
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Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 4.1.0 Release 4)
Standard published on 30.9.2001
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ETSI TR 126975-V5.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 5.0.0 Release 5)
Standard published on 30.6.2002
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ETSI TR 126975-V6.0.0
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Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Performance characterization of the Adaptive Multi-Rate (AMR) speech codec (3GPP TR 26.975 version 6.0.0 Release 6)
Standard published on 31.12.2004
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