发明名称 Method for carrying out real time backup communication of IP communication
摘要 Detecting trouble in a real time communication on an IP network, and automatically bypassing a communication call performed between a transmission side node and a reception side node from a IP network to a public network.
申请公布号 US6711614(B1) 申请公布日期 2004.03.23
申请号 US20000634645 申请日期 2000.08.08
申请人 NEC CORPORATION 发明人 SUZUKI MITSUO
分类号 H04L1/22;H04L12/24;H04L12/28;H04L12/56;H04L29/06;H04L29/14;H04M3/12;H04M3/22;H04M3/42;H04M7/00;H04M7/12;(IPC1-7):G06F15/173 主分类号 H04L1/22
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