发明名称 LINE CONNECTION CONTROL APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a line connection control apparatus for dividing line connection from a plurality of portable information terminals into arbitrary combinations. SOLUTION: A conference room application 221 comprises three conference rooms. Users of the portable information terminals connected to respective conference rooms are allowed to have concurrent telephone conversations. In dialing from a commander, "from the portable information terminal of a registered member" is selected for calling, thus connecting the member to a specified conference room. In an arrival signal from the member, the member can make connection to the specified conference room for entry by allowing the commander to specify the conference room. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004023292(A) 申请公布日期 2004.01.22
申请号 JP20020173199 申请日期 2002.06.13
申请人 NATIONAL RESEARCH INSTITUTE OF FIRE & DISASTER;VICTOR CO OF JAPAN LTD 发明人 TAMURA HIROYUKI;HOSOKAWA TADASHI;ENDO MAKOTO;SHIGA TAKASHI
分类号 H04M3/56;(IPC1-7):H04M3/56 主分类号 H04M3/56
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