Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 6.4.0 Release 1997)

Norma vydána dne 27.7.1999

Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 6.5.0 Release 1997)

Norma vydána dne 30.11.1999

Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 6.6.0 Release 1997)

Norma vydána dne 30.6.2000

Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (3GPP TS 09.18 version 6.7.0 Release 1997)

Norma vydána dne 31.12.2001

Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 7.1.0 Release 1998)

Norma vydána dne 30.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 7.2.0 Release 1998)

Norma vydána dne 30.11.1999

Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (GSM 09.18 version 7.3.0 Release 1998)

Norma vydána dne 30.6.2000

Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (3GPP TS 09.18 version 7.4.0 Release 1998)

Norma vydána dne 10.10.2001

Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification (3GPP TS 09.18 version 7.5.0 Release 1998)

Norma vydána dne 31.12.2001

Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp Interface (3GPP TS 09.60 version 6.10.1 Release 1997)

Norma vydána dne 14.8.2001