Normy ETSI - Evropský úřad pro normalizaci v telekomunikacích - strana 231

Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS) - Stage 1 (3GPP TS 02.68 version 8.1.0 Release 1999)

Norma vydána dne 30.11.2000

Digital cellular telecommunications system (Phase 2+); Voice Group Call Service (VGCS); Stage 1 (3GPP TS 02.68 version 8.2.1 Release 1999)

Norma vydána dne 28.7.2005

Digital cellular telecommunications system (Phase 2+) (GSM); Voice Broadcast Service (VBS) - Stage 1 (3GPP TS 02.69 version 8.1.0 Release 1999)

Norma vydána dne 30.11.2000

Digital cellular telecommunications system (Phase 2+); Voice Broadcast Service (VBS); Stage 1 (3GPP TS 02.69 version 8.2.0 Release 1999)

Norma vydána dne 30.6.2005

Digital cellular telecommunications system (Phase 2+); Numbering, addressing and identification (3GPP TS 03.03 version 5.5.0 Release 1996)

Norma vydána dne 30.9.2003

Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 6.1.0 Release 1997)

Norma vydána dne 31.7.1998

Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 6.2.0 Release 1997)

Norma vydána dne 30.4.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 6.3.0 Release 1997)

Norma vydána dne 30.7.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 6.4.0 Release 1997)

Norma vydána dne 30.11.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 6.5.0 Release 1997)

Norma vydána dne 27.6.2000