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DIN ETS 300139
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition
1992-12
DIN ETS 300568
European digital cellular telecommunications system (phase 2) - MultiParty (MPTY) supplementary services, stage 3; English version ETS 300568:1995
Edition
1995-08
DIN ETS 300183
Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; service description; English version ETS 300183:1992
Edition
1993-09
DIN ETS 300054
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; functional capabilities and information flows; english version ETS 300054:1991
Edition
1992-09
DIN ETS 300545
European digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 2; English version ETS 300545:1995
Edition
1995-09
DIN ETS 300145
Integrated Services Digital Network (ISDN) - Audiovisual services - Videotelephone systems and terminal equipment operating on one or two 64 kbit/s channels; English version ETS 300145:1996
Edition
1996-08
DIN ETS 300511
European digital cellular telecommunications system (Phase 2) - Man-Machine Interface (MMI) of the Mobile Station (MS); English version ETS 300511:1995
Edition
1995-12
DIN ETS 300164
Integrated Services Digital Network (ISDN); Meet-Me Conference (MMC) supplementary service; service description; English version ETS 300164:1992
Edition
1993-09
DIN ETS 300186
Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; service description; English version ETS 300186:1993
Edition
1994-01
DIN ETS 300140
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; functional capabilities and information flows; english version ETS 300140:1992
Edition
1992-12
