Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS) - Stage 1 (GSM 02.68 version 6.0.1 Release 1997)
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS) - Stage 1 (GSM 02.68 version 7.0.2 Release 1998)
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Broadcast Service (VBS) - Stage 1 (GSM 02.69 version 6.0.1 Release 1997)
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Broadcast Service (VBS) - Stage 1 (GSM 02.69 version 7.0.2 Release 1998)
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Broadcast Service (VBS) - Stage 1 (GSM 02.69 version 8.0.1 Release 1999)
Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 5.3.1 Release 1996)
Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identification (GSM 03.03 version 5.4.1 Release 1996)
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Supplementary Services (GSM 03.11 version 6.0.1 Release 1997)
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Supplementary Services (GSM 03.11 version 7.0.1 Release 1998)
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of facsimile group 3 transparent (GSM 03.45 version 6.0.1 Release 1997)
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of facsimile group 3 transparent (GSM 03.45 version 7.0.1 Release 1998)
Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) supplementary services - Stage 2 (GSM 03.86 version 6.0.1 Release 1997)
53,361 afzonderlijke normreferenties geïndexeerd op basis van vastgelegde officiële bronnen. Eerdere edities zijn inbegrepen. De index en de collecties van uitgevers hebben een verschillende dekking. Zie bronnen en dekking.