ETSI EN 301 250-1998 Digital Cellular Telecommunications System (Phase 2); Test Sequences for the GSM Enhanced Full Rate (EFR) Speech Codec (GSM 06.54 Version 4.0.1)
European Telecommunications Standards Institute (ETSI)
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ETSI EN 301 250-1998
ETSI EN 301 250-1998 history
1998ETSI EN 301 250:1998 Digital Cellular Telecommunications System (Phase 2); Test Sequences for the GSM Enhanced Full Rate (EFR) Speech Codec (GSM 06.54 Version 4.0.1)
1997ETSI EN 301 250:1997 Ditgital Cellular Telecommunications System (Phase 2); Test Sequences for the GSM Enhanced Full Rate (EFR) Speech Codec (GSM 06.54 Version 4.0.0)