European digital cellular telecommunications system - Half rate speech - Part 1: Half rate speech processing functions; English version ETS 300581-1:1995
Edition 1996-07

European digital cellular telecommunications system - Half rate speech - Part 4: Comfort noise aspects for the half rate speech traffic channel; English version ETS 300581-4:1995
Edition 1996-07

European digital cellular telecommunications system (Phase 2) - Part 5: Discontinuous Transmission (DTX) for full rate speech traffic channels; English version ETS 300580-5:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Part 1: Base Station System-Mobile-services Switching Centre (BSS-MSC) interface; general aspects; English version ETS 300587-1:1994
Edition 1995-01

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 1: BVPS for Permanent communications (BVPS-P); English version ETS 300455-1:1995
Edition 1996-02

Network Aspects (NA); connectionless broadband data service (CBDS); part 1: overview; English version ETS 300217-1:1992
Edition 1993-07

European digital cellular telecommunications system - Half rate speech - Part 5: Discontinuous transmission (DTX) for half rate speech traffic channels; English version ETS 300581-5:1995
Edition 1996-07

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; service description; english version ETS 300136:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; functional capabilities and information flows; english version ETS 300137:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; functional capabilities and information flows; English version ETS 300184:1993 + Corrigendum September 1993
Edition 1994-04