Normy ETSI - Evropský úřad pro normalizaci v telekomunikacích - strana 5979

Digital cellular telecommunications system (Phase 2) (GSM); Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 1 (GSM 02.83)

Norma vydána dne 30.5.1996

European digital cellular telecommunications system (Phase 2); Multi Party (MPTY) supplementary services; Stage 1 (GSM 02.84)

Norma vydána dne 12.9.1994

Digital cellular telecommunications system (Phase 2) (GSM); Multi Party (MPTY) supplementary services; Stage 1 (GSM 02.84)

Norma vydána dne 28.5.1996

European digital cellular telecommunications system (Phase 2); Closed User Group (CUG) supplementary services; Stage 1 (GSM 02.85)

Norma vydána dne 12.9.1994

Digital cellular telecommunications system (Phase 2) (GSM); Closed User Group (CUG) supplementary services; Stage 1 (GSM 02.85)

Norma vydána dne 30.5.1996

European digital cellular telecommunications system (Phase 2); Advice of Charge (AoC) supplementary services; Stage 1 (GSM 02.86)

Norma vydána dne 12.9.1994

Digital cellular telecommunications system (Phase 2) (GSM); Advice of Charge (AoC) supplementary services; Stage 1 (GSM 02.86)

Norma vydána dne 28.5.1996

European digital cellular telecommunications system (Phase 2); Call Barring (CB) supplementary services; Stage 1 (GSM 02.88)

Norma vydána dne 12.9.1994

Digital cellular telecommunications system (Phase 2) (GSM); Call Barring (CB) supplementary services; Stage 1 (GSM 02.88)

Norma vydána dne 28.5.1996

European digital cellular telecommunications system (Phase 2); Network functions (GSM 03.01)

Norma vydána dne 12.9.1994