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ETSI EN 301 244

Digital cellular telecommunications system (Phase 2) (GSM); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53 version 4.0.1)
standard by European Telecommunications Standards Institute, 01/01/1998
Publisher: ETSI

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EN created for GSM Phase2 MS type approval purposes (a revision of GSM Phase 2+ ETS)

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