ETSI TR 101 105-2001 数字蜂窝通信系统(第2+阶段).欺诈信息采集系统(FIGS).业务要求.第0阶段GSM 01.31(版本8.0.0,1999年发布)
Digital Cellular Telecommunications System (Phase 2+); Fraud Information Gathering System (FIGS); Service Requirements - Stage 0 (GSM 01.31 Version 8.0.0 Release 1999)