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ETSI TS 126 101
M00001543
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ETSI TS 126 101 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 by European Telecommunications Standards Institute, 03/01/2002
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