We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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.
Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition, Stage 1 (GSM 02.78 version 5.4.0)
Standard published on 15.1.1988
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition, Stage 1 (GSM 02.78 version 5.5.0 Release 1996)
Standard published on 31.7.1998
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (GSM 02.78 version 5.6.0 Release 1996)
Standard published on 30.3.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Service definition, Stage 1 (GSM 02.79)
Standard published on 31.7.1996
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Service definition, Stage 1 (GSM 02.79)
Standard published on 30.11.1996
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Service definition (Stage 1) (GSM 02.79 version 5.2.0 Release 1996)
Standard published on 30.3.1999
Selected format:Digital cellular telecommunications system; Line identification supplementary services; Stage 1 (GSM 02.81)
Standard published on 30.11.1996
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary services; Stage 1 (GSM 02.81 version 5.1.0)
Standard published on 30.1.1998
Selected format:European digital cellular telecommunications system (Phase 1); Call Offering Supplementary Services (GSM 02.82)
Standard published on 1.1.1995
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary services; Stage 1 (GSM 02.82)
Standard published on 15.2.1996
Selected format:Latest update: 2026-05-14 (Number of items: 2 277 490)
© Copyright 2026 NORMSERVIS s.r.o.