发明名称 Method for preventing call forwarding in a group call
摘要 In accordance with a preferred embodiment of the present invention, a method for preventing call forwarding in group calls in a mobile network is provided, whereby a redirection counter in an Initial Address Message (IAM) is assigned a predetermined value that causes the network to disconnect a party to a group call if, for example, call forwarding is being used by that party's phone.
申请公布号 US2003194994(A1) 申请公布日期 2003.10.16
申请号 US20020121238 申请日期 2002.04.11
申请人 SVEDBERG PER 发明人 SVEDBERG PER
分类号 H04W4/06;H04W4/16;(IPC1-7):H04M3/42 主分类号 H04W4/06
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