1994ETSI ETS 300 513-1994 European Digital Cellular Telecommunications System (Phase 2); Operator Determined Barring (GSM 02.41; Version 4.5.2)
1993ETSI PRETS 300 513-1993 European Digital Cellular Telecommunications System (Phase 2); Operator Determined Barring (GSM 02.41)
ETSI PRETS 300 513-1993 European Digital Cellular Telecommunications System (Phase 2); Operator Determined Barring (GSM 02.41) was changed to ETSI ETS 300 513-1994 European Digital Cellular Telecommunications System (Phase 2); Operator Determined Barring (GSM 02.41; Version 4.5.2).