发明名称 OFF NETWORK MOBILE TO MOBILE CALLING USING SIP PROTOCOL
摘要 <p>This invention addresses the need to transport high bit-rate data to mult iple users, or between users, over wired and wireless means. Specifically, t his disclosure describes a new method of enabling communication from mobile phone to mobile phone when no network services are available as long as radi o contact between the mobile handsets is possible by reserving un-assigned t imeslots in the medium access control protocol super frame structure.</p>
申请公布号 CA2686807(A1) 申请公布日期 2008.11.20
申请号 CA20082686807 申请日期 2008.04.28
申请人 XG TECHNOLOGY, INC. 发明人 BOBIER, JOSEPH A.
分类号 H04L12/43 主分类号 H04L12/43
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