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发明名称
Method, communications network arrangement, communications network server, terminal, and software means for selecting and changing operating modes for packet-switched voice connection
摘要
申请公布号
KR100734248(B1)
申请公布日期
2007.07.02
申请号
KR20057017196
申请日期
2005.09.14
申请人
发明人
分类号
H04W72/08;H04L12/28
主分类号
H04W72/08
代理机构
代理人
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