Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; ANSI-C code for the GSM half rate speech codec GSM 06.06 version 6.0.1 Release 1997)

Norma vydána dne 4.6.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; ANSI-C code for the GSM half rate speech codec GSM 06.06 version 7.0.1 Release 1998)

Norma vydána dne 20.1.2000

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; ANSI-C code for the GSM half rate speech codec (GSM 06.06 version 8.0.1 Release 1999)

Norma vydána dne 15.11.2000

Digital cellular telecommunications system; Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 5.0.1)

Norma vydána dne 31.5.1997

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 5.2.1)

Norma vydána dne 30.4.1998

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 6.0.1 Release 1997)

Norma vydána dne 4.6.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 7.0.1 Release 1998)

Norma vydána dne 20.1.2000

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 8.0.1 Release 1999)

Norma vydána dne 15.11.2000

Digital cellular telecommunications system; Half rate speech; Half rate speech transcoding (GSM 06.20 version 5.0.1)

Norma vydána dne 15.5.1997

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Half rate speech transcoding (GSM 06.20 version 5.1.1)

Norma vydána dne 15.5.1998