ETSI TR 126 975
- 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 by European Telecommunications Standards Institute, 09/01/2001
- Publisher: ETSI
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