Digital cellular telecommunications system (Phase 2). Service Cell Broadcast (SMSCB) support on the mobile radio interface. (GSM 04.12)
Edition 1998-03-01

Digital cellular telecommunications system (Phase 2). Performance requirements on the mobile radio interface (GSM 04.13)
Edition 1998-03-01

Digital cellular telecommunications system (Phase 2). Rate adaptation on the Mobile Sttion. Base Station System (MS - BSS) interface (GSM 04.21)
Edition 1997-10-01

Digital cellular telecommunications system (Phase 2). Radio Link Protokol (RLP) for data and telematic services on the Mobile Station. Base Station System (MS-BSS) interface and the Base Station System. Mobile-services Switching Centre (BSS-MSC) interface (GSM 04.22)
Edition 1997-11-01

Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3. Supplementary services specification. Formats and coding (GSM 04.80)
Edition 1998-03-01

Digital cellular telecommunications system (Phase 2). Line identification supplementary services. Stage 3 (GSM 04.81)
Edition 1998-03-01

Digital cellular telecommunications system (Phase 2). Call Forwarding (CF) supplementary services. Stage 3 (GSM 04.82)
Edition 1998-03-01

Digital cellular telecommunications system (Phase 2). Call Waiting (CW) and Call Hold (HOLD) supplementary services. Stage 3. (GSM 04.83)
Edition 1998-04-01

Digital cellular telecommunications system (Phase 2). Multi Party Supplementary services (MPTY). Stage 3. (GSM 04.84)
Edition 1998-04-01

Digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services. Stage 3. (GSM 04.85)
Edition 1998-04-01