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Norma vydána dne 15.1.1988

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)

Norma vydána dne 31.7.1998

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)

Norma vydána dne 30.3.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Service definition, Stage 1 (GSM 02.79)

Norma vydána dne 31.7.1996

Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Service definition, Stage 1 (GSM 02.79)

Norma vydána dne 30.11.1996

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)

Norma vydána dne 30.3.1999

Digital cellular telecommunications system; Line identification supplementary services; Stage 1 (GSM 02.81)

Norma vydána dne 30.11.1996

Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary services; Stage 1 (GSM 02.81 version 5.1.0)

Norma vydána dne 30.1.1998

European digital cellular telecommunications system (Phase 1); Call Offering Supplementary Services (GSM 02.82)

Norma vydána dne 1.1.1995

Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary services; Stage 1 (GSM 02.82)

Norma vydána dne 15.2.1996