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发明名称
SYSTEM AND METHOD FOR HANDOFF OF SESSION FROM VOIP INTERFACE TO CELLULAR INTERFACE OF DUAL-MODE DEVICE
摘要
申请公布号
EP2176997(A1)
申请公布日期
2010.04.21
申请号
EP20080714710
申请日期
2008.02.28
申请人
RESEARCH IN MOTION LIMITED
发明人
GEORGE, RICHARD JOHN;SHATSKY, ALEXANDER
分类号
H04W4/00;H04L12/66;H04L29/06;H04M11/06;H04Q3/64;H04W36/00;H04W84/00
主分类号
H04W4/00
代理机构
代理人
主权项
地址
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