Digital cellular telecommunications system (Phase 2) - Advice of Charge (AoC) supplementary services - Stage 1 (Endorsement of the English version ETS 300519:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 1 (Endorsement of the English version ETS 300520:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Functions related to Mobile Stations (MS) in idle mode (Endorsement of the English version ETS 300535:1996-09 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Technical realization of the Short Message Service (SMS) Point-to-Point (PP) (Endorsement of the English version ETS 300536:1996-10 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system (Endorsement of the English version ETS 300540:1999-07 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 2 (Endorsement of the English version ETS 300542:1999-01 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (Endorsement of the English version ETS 300567:1996-08 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Closed User Group (CUG) supplementary services - Stage 3 (Endorsement of the English version ETS 300569:1996-11 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface (Endorsement of the English version ETS 300560:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Performance requirements on the mobile radio interface (Endorsement of the English version ETS 300561:1996-05 as German standard)
Edition 2001-04