发明名称 Method and system for toll charge and rate inquiry service for portable numbers
摘要 A toll charge and rate inquiry service for portable numbers allows a telephone system user to access billing and toll telephone charge information prior to establishing a telephone call connection between the telephone system user and a called party. The telephone toll charge information is extracted from a portable telephone number logical matrix. A telephone system user using the toll charge and rate inquiry service for portable numbers can use the telephone toll charge information to determine prior to establishing a telephone call connection whether to complete the telephone call to the called party with a toll charge. Upon request, the user is automatically connected to the called party.
申请公布号 US5915005(A) 申请公布日期 1999.06.22
申请号 US19970862282 申请日期 1997.05.23
申请人 MCI COMMUNICATIONS CORPORATION 发明人 HE, JINGSHA
分类号 H04M15/28;(IPC1-7):H04M15/00;H04M1/64;H04M3/42 主分类号 H04M15/28
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