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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.
Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition, Stage 1 (GSM 02.78)
Standard published on 31.3.1997
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 5.2.1)
Standard published on 30.7.1997
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 5.4.0)
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:Latest update: 2025-07-16 (Number of items: 2 208 753)
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