ETSI EN 300 724
- Digital cellular telecommunications system (Phase 2+) (GSM); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53 version 8.0.1 Release 1999)
- standard by European Telecommunications Standards Institute, 11/01/2000
- Publisher: ETSI
$484.00$968.50
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