发明名称 Toll fraud detection system
摘要 In a telecommunications network, a toll fraud detection system analyzes call placement information concerning toll calls placed using billing numbers for unauthorized use of billing numbers. In the preferred embodiment, a set of artificial intelligence rules operate on the placement information to develop an indication that the use of a particular billing number is unauthorized.
申请公布号 US5602906(A) 申请公布日期 1997.02.11
申请号 US19930056246 申请日期 1993.04.30
申请人 SPRINT COMMUNICATIONS COMPANY L.P. 发明人 PHELPS, JAMES W.
分类号 H04M15/00;(IPC1-7):H04M15/00;H04M3/00 主分类号 H04M15/00
代理机构 代理人
主权项
地址