发明名称 HANDOFF BETWEEN A SIP NETWORK AND A CELLULAR COMMUNICATION SYSTEM
摘要 Handoff between a wireless SIP network and a cellular communication system i s provided. A system is designed to provide nomadic cellular services includin g voice to a SIP-enabled device.
申请公布号 CA2574578(A1) 申请公布日期 2006.02.02
申请号 CA20052574578 申请日期 2005.07.20
申请人 QUALCOMM INCORPORATED 发明人 ZREIQ, SAMER;ERUCHIMOVITCH, BARUCH
分类号 H04L12/28;H04W36/14 主分类号 H04L12/28
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