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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.
Universal Mobile Telecommunications System (UMTS); Mandatory Speech Codec speech processing functions; AMR Speech Codec Frame Structure (3GPP TS 26.101 version 3.2.0 Release 1999)
Standard published on 23.7.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 3.3.0 Release 1999)
Standard published on 31.3.2002
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory Speech Codec speech processing functions; AMR Speech Codec Frame Structure (3GPP TS 26.101 version 4.0.0 Release 4)
Standard published on 31.3.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory Speech Codec speech processing functions; AMR Speech Codec Frame Structure (3GPP TS 26.101 version 4.1.0 Release 4)
Standard published on 23.7.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 4.2.0 Release 4)
Standard published on 31.3.2002
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 5.0.0 Release 5)
Standard published on 30.6.2002
Selected format:Universal Mobile Telecommunications System (UMTS); Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 6.0.0 Release 6)
Standard published on 28.1.2005
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 7.0.0 Release 7)
Standard published on 30.6.2007
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 8.0.0 Release 8)
Standard published on 16.1.2009
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure (3GPP TS 26.101 version 9.0.0 Release 9)
Standard published on 14.1.2010
Selected format:Latest update: 2026-09-15 (Number of items: 2 301 408)
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