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经营范围
发明名称
Call diversion for a VoIP telephone connection where a redirection server is implemented in a security module
摘要
申请公布号
EP1916817(B1)
申请公布日期
2011.06.15
申请号
EP20070020790
申请日期
2007.10.24
申请人
GIESECKE & DEVRIENT GMBH
发明人
HINZ, WALTER, DR.;SPITZ, STEPHAN, DR.
分类号
H04W88/02;H04L29/06;H04M1/253;H04W4/16
主分类号
H04W88/02
代理机构
代理人
主权项
地址
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