We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Digital cellular telecommunications system (Phase 2+); Network Management (NM) procedures and messages on the A-bis interface (3GPP TS 12.21 version 6.0.0 Release 1997)
Standard published on 18.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Network Management (NM) procedures and messages on the A-bis interface (3GPP TS 12.21 version 7.0.0 Release 1998)
Standard published on 18.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Network Management (NM) procedures and messages on the A-bis interface (3GPP TS 12.21 version 8.0.0 Release 1999)
Standard published on 18.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD) - Stage 1 (GSM 02.90 version 6.0.0 Release 1997)
Standard published on 29.4.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD) - Stage 1 (GSM 02.90 version 7.0.0 Release 1998)
Standard published on 13.8.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Application of the Base Station System Application Part (BSSAP) on the E-interface (GSM 09.08 version 6.0.0 Release 1997)
Standard published on 30.4.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Application of the Base Station System Application Part (BSSAP) on the E-interface (GSM 09.08 version 7.0.0 Release 1998)
Standard published on 30.7.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Application of the Base Station System Application Part (BSSAP) on the E-interface (GSM 09.08 version 7.2.0 Release 1998)
Standard published on 31.12.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Application of the Base Station System Application Part (BSSAP) on the E-interface (GSM 09.08 version 8.0.0 Release 1999)
Standard published on 29.3.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Application of the Base Station System Application Part (BSSAP) on the E-interface (3GPP TS 09.08 version 8.1.0 Release 1999)
Standard published on 31.12.2000
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
© Copyright 2026 NORMSERVIS s.r.o.