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NF Z83-598 ; NF ETS 300598:1999-02-01
Digital cellular telecommunications system (phase 2). In-band control of remote transcoders and rate adaptors for half rate traffic channels (GSM 08.61, version 4.0.2)
Edition
1999-02-01
NF Z83-581-2 ; NF ETS 300581-2:1998-09-01
Digital cellular telecommunications system (Phase 2). Half rate speech. Part 2: half rate speech transcoding (GSM 06.20 version 4.3.1)
Edition
1998-09-01
NF Z83-581-6 ; NF ETS 300581-6:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 6: Voice Activity Detection (VAD) for half rate speech traffic channels (GSM 06.42 version 4.1.1)
Edition
1998-09-01
NF Z83-581-7 ; NF ETS 300581-7:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 7: ANSI-C code for the GSM half rate speech codec. (GSM 06.06 version 4.2.1)
Edition
1998-09-01
NF Z83-581-8 ; NF ETS 300581-8:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 8: test sequences for the GSM half rate speech codec (GSM 06.07 version 4.2.1)
Edition
1998-09-01
NF Z83-581-5 ; NF ETS 300581-5:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 5: Discontinuous Transmission (DTX) for half rate speech traffic channels (GSM 06.41 version 4.0.2)
Edition
1998-09-01
NF Z83-581-4 ; NF ETS 300581-4:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 4: comfort noise aspect for half rate speech traffic channels (GSM 06.22 version 4.1.1)
Edition
1998-09-01
NF Z83-601 ; NF ETS 300601:1999-02-01
Digital cellular telecommunications system (phase 2). Interworking between the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data Network (CSPDN) (GSM 09.04, version 4.0.2)
Edition
1999-02-01
NF Z83-563 ; NF ETS 300563:1997-11-01
Digital cellular telecommunications system (Phase 2). Radio Link Protokol (RLP) for data and telematic services on the Mobile Station. Base Station System (MS-BSS) interface and the Base Station System. Mobile-services Switching Centre (BSS-MSC) interface (GSM 04.22)
Edition
1997-11-01
NF Z83-581-3 ; NF ETS 300581-3:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 3: substitution and muting of lost frames for half rate speech traffic channels (GSM 06.21 version 4.0.2)
Edition
1998-09-01