European digital cellular telecommunications system (phase 2) - Closed User Group (CUG) supplementary services, stage 3; English version ETS 300569:1995
€41.78
European digital cellular telecommunications system (phase 2) - Call Barring (CB) supplementary services, stage 3; English version ETS 300571:1995
€63.27
European digital cellular telecommunications system (phase 1) - Channel coding; English version I-ETS 300031/A1:1995
€34.30
European digital cellular telecommunications system (Phase 2) - Principles of telecommunication services supported by a GSM Public Land Mobile Network (PLMN); English version ETS 300500/A1:1995
European digital cellular telecommunications system (Phase 2) - General on supplementary services; English version ETS 300503/A1:1995
European digital cellular telecommunications system (Phase 2) - Security aspects; English version ETS 300506/A1:1995
European digital cellular telecommunications system (Phase 2) - Man-Machine Interface (MMI) of the Mobile Station (MS); English version ETS 300511/A1:1995
European digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 1; English version ETS 300514/A1:1995
European digital cellular telecommunications system (Phase 2) - Technical realisation of supplementary services; English version ETS 300529:1995
€77.20
European digital cellular telecommunications system (Phase 2) - Technical realisation of the Short Message Service (SMS) Point-to-Point (PP); English version ETS 300536/A1:1995
European digital cellular telecommunications system (Phase 2) - Closed User Group (CUG) supplementary services - Stage 2; English version ETS 300546:1995
European digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 2; English version ETS 300549:1995
€91.03
European digital cellular telecommunications system (Phase 2) - Use of Data Terminal Equipment - Data Circuit terminating Equipment (DTE-DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS); English version ETS 300585/A1:1995
European digital cellular telecommunications system (Phase 2) - Signalling interworking for supplementary services; English version ETS 300606:1995
€84.58
European digital cellular telecommunications system (phase 1); radio sub-system link control; part 1: generic; English version I-ETS 300034-1:1993
