发明名称 DIGITAL TELEPHONE DATA AND CONTROL SIGNAL TRANSMISSION SYSTEM
摘要 Techniques are disclosed for using Ethernet Layer 1 as a means for transporting audio, control, and status signals between telephones and an aggregator device in a telephone system. Techniques are also disclosed for using the aggregator to determine whether a telephone supports only Ethernet Layer 1, and for using the aggregator to communicate with the telephone using an appropriate protocol based on the results of the determination.
申请公布号 US2011142038(A1) 申请公布日期 2011.06.16
申请号 US201113032798 申请日期 2011.02.23
申请人 CANNATA FRANK J;DRYER PAUL 发明人 CANNATA FRANK J.;DRYER PAUL
分类号 H04L12/66 主分类号 H04L12/66
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