发明名称 Method and system for changing a direction of establishing a telecommunication connection
摘要 A method for changing a direction of establishing a telecommunication connection between a first subscriber and second subscriber. A subscriber node is connected via a connection to a service node to request the placement of a call to the second subscriber. Once the second subscriber is contacted, the service node contacts the first subscriber and a direct connection between the first and second subscriber is established.
申请公布号 US6301348(B1) 申请公布日期 2001.10.09
申请号 US19980117652 申请日期 1998.09.01
申请人 SONERA OY 发明人 ROMO JORMA;IKONEN JOUNI
分类号 H04M3/48;H04M7/00;H04M15/00;H04Q3/00;(IPC1-7):H04M3/42 主分类号 H04M3/48
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