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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
European digital cellular telecommunications system (Phase 2); Line identification supplementary services; Stage 1 (GSM 02.81)
Standard published on 7.4.1995
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Line identification supplementary services; Stage 1 (GSM 02.81)
Standard published on 28.5.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Line identification supplementary services; Stage 1 (GSM 02.81 version 4.6.1)
Standard published on 30.6.1998
Selected format:European digital cellular telecommunications system (Phase 2); Call Forwarding (CF) supplementary services; Stage 1 (GSM 02.82)
Standard published on 12.9.1994
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Call Forwarding (CF) supplementary services; Stage 1 (GSM 02.82)
Standard published on 30.5.1996
Selected format:European digital cellular telecommunications system (Phase 2); Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 1 (GSM 02.83)
Standard published on 12.9.1994
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 1 (GSM 02.83)
Standard published on 30.5.1996
Selected format:European digital cellular telecommunications system (Phase 2); Multi Party (MPTY) supplementary services; Stage 1 (GSM 02.84)
Standard published on 12.9.1994
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Multi Party (MPTY) supplementary services; Stage 1 (GSM 02.84)
Standard published on 28.5.1996
Selected format:European digital cellular telecommunications system (Phase 2); Closed User Group (CUG) supplementary services; Stage 1 (GSM 02.85)
Standard published on 12.9.1994
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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