发明名称 COMMUNICATION SYSTEM SELECTING METHOD, COMMUNICATION SYSTEM SELECTING APPARATUS AND COMMUNICATION SYSTEM SELECTING PROGRAM
摘要 PROBLEM TO BE SOLVED: To select a communication system with an optimal communication environment as occasion demands. SOLUTION: A communication state is monitored by a monitor means 12 and when the communication state becomes worse, a communicable communication system different from a communication system in operation is selected by a communication system selection means 13, so that the communication system is appropriately changed into a communication system with an optimal communication environment to continue communication. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007181233(A) 申请公布日期 2007.07.12
申请号 JP20070035161 申请日期 2007.02.15
申请人 NIPPON TELEGRAPH & TELEPHONE WEST CORP;NIPPON TELEGRAPH & TELEPHONE EAST CORP 发明人 YASUNAGA KENJI
分类号 H04M11/00;H04M1/733;H04M3/00 主分类号 H04M11/00
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