发明名称 PACKET TRANSMITTING DEVICE
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a packet transmitting device capable of realizing communication with high reliability by preventing a communication status from being disconnected even at the time of the occurrence of packet loss in packet transmission by a VoIP (voice over Internet protocol). <P>SOLUTION: This packet transmitting device is provided with a sound encoding part 1 for performing sound encoding of a sound band signal, a packet generating part 2 for receiving an encoded sound signal from the sound encoding part 1 and generating its packet, a redundant packet generating part 3 for receiving the encoded sound signal from the sound encoding part 1 and generating a redundant packet, a selector 5 for selecting one of the packet generating part 2 and the redundant packet generating part 3 as an output source to a transmission path side (transmission destination), and a facsimile signal detecting part 4 for detecting whether the sound band signal is the facsimile signal of facsimile communication being the preset data communication and controlling a selection destination of the selector 5 in accordance with this detection result. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p>
申请公布号 JP2004266378(A) 申请公布日期 2004.09.24
申请号 JP20030047793 申请日期 2003.02.25
申请人 MITSUBISHI ELECTRIC CORP 发明人 FUSHIMI WATARU;SUZUKI SHIGEAKI
分类号 H04N1/36;H04L1/00;H04L12/70;H04L12/951;H04M3/12;H04M7/00;H04N1/327;(IPC1-7):H04L12/56 主分类号 H04N1/36
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