Satellite Earth Stations and Systems (SES). Network Control Facilities (NCF) for Mobile Earth Stations (MES) providing Low Bit Rate Data Communications (LBRDC) using LEO satellites operating below 1 GHz

Die Norm herausgegeben am 1.9.2002

Digital cellular telecommunications system. Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51)

Die Norm herausgegeben am 1.9.1999

Digital cellular telecommunications system (Phase 2+). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06. 51 version 6.0.1 Release 1997)

Die Norm herausgegeben am 1.8.2000

Digital cellular telecommunications system (Phase 2+) (GSM). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 6.1.1 Release 1997)

Die Norm herausgegeben am 1.11.2001

Digital cellular telecommunications system (Phase 2+) (GSM). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 7.0.2 Release 1998)

Die Norm herausgegeben am 1.7.2002

Digital cellular telecommunications system (Phase 2+) (GSM). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 7.1.1 Release 1998)

Die Norm herausgegeben am 1.11.2001

Digital cellular telecommunications system (Phase 2+) (GSM). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 8.0.1 Release 1999)

Die Norm herausgegeben am 1.11.2001

Digital cellular telecommunications system (Phase 2+) (GSM). Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 8.1.1 Release 1999)

Die Norm herausgegeben am 1.11.2001

Digital cellular telecommunications system. Enhanced Full Rate (EFR) speech processing functions. General description (GSM 06.51 version 5.2.1)

Die Norm herausgegeben am 1.11.2001

Digital cellular telecommunications system. ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53)

Die Norm herausgegeben am 1.9.1999