发明名称 PRE-QUALIFYING CALL-BACK SERVICE
摘要 A system and method for administering Call Back service are disclosed which are capable of pre-qualifying such Call Back service. Such a system and method are capable of pre-qualifying a request for a Call Back service before returning a call back to the requesting customer. In this manner, the customer may not begin being charged at the lower call rate until after a connection is fist established with the called number. A call back server may attempt to connect the customer requesting Call Back service with the called party by first attempting to establish a connection with the called party. Once a connection is established with the called party, the call back server may call the customer and connect the called party to the customer. In this manner, the customer may only be charged for a call back from the call back server if a connection is fist established with the called number.
申请公布号 WO0137530(A1) 申请公布日期 2001.05.25
申请号 WO2000US31339 申请日期 2000.11.15
申请人 INTERVOICE LIMITED PARTNERSHIP 发明人 CAVE, ELLIS, K.
分类号 H04M3/22;H04M3/48;H04M7/00;H04M15/00;(IPC1-7):H04M3/48 主分类号 H04M3/22
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