发明名称 GATEWAY DEVICE
摘要 PROBLEM TO BE SOLVED: To enable a communication terminal unit for transferring data via hypertext transfer protocol, which is connected to a wireless network, to shorten the time required for its response and data transmission, when the communication terminal unit transmits and receives electronic mail to and from a computer network via a gateway device for transferring emails via simple mail transfer protocol, which is connected to the computer network and wireless network. SOLUTION: In a system control unit I-MAX of the gateway device GWS, for outbound mail, the tag of markup language is compressed by a compression unit IM4 with the header item of the electronic mail being reduced by a mail header reduction unit IM7, while for inbound electronic mail, the header item of the electronic mail is added by a mail header addition unit IM8. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004343794(A) 申请公布日期 2004.12.02
申请号 JP20040188600 申请日期 2004.06.25
申请人 NTT DOCOMO INC 发明人 YAMAMOTO MASAAKI;YABE TOSHIYASU;SASAKI KEIZABURO
分类号 H04M3/42;H04L12/58;H04L12/66;H04M3/00;H04M11/00;(IPC1-7):H04L12/58 主分类号 H04M3/42
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