Digital cellular telecommunications system (Phase 2+) (GSM); Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 2 (GSM 03.83 version 6.0.0 Release 1997)

Norma vydána dne 30.4.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 2 (GSM 03.83 version 7.0.0 Release 1998)

Norma vydána dne 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Multi Party (MPTY) supplementary services; Stage 2 (GSM 03.84 version 6.0.0 Release 1997)

Norma vydána dne 30.4.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Multi Party (MPTY) supplementary services; Stage 2 (GSM 03.84 version 7.0.0 Release 1998)

Norma vydána dne 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Closed User Group (CUG) supplementary services - Stage 2; (GSM 03.85 version 6.0.0 Release 1997)

Norma vydána dne 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Closed User Group (CUG) supplementary services - Stage 2; (GSM 03.85 version 7.0.0 Release 1998)

Norma vydána dne 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Barring (CB) supplementary services - Stage 2 (GSM 03.88 version 6.0.0 Release 1997)

Norma vydána dne 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Barring (CB) supplementary services - Stage 2 (GSM 03.88 version 7.0.0 Release 1998)

Norma vydána dne 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90 version 6.0.0 release 1997)

Norma vydána dne 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90 version 7.0.0 release 1998)

Norma vydána dne 13.8.1999