发明名称 TELEPHONE EXCHANGE APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a telephone exchange apparatus excellent in operability and security by enabling participation in a conference and completion in the middle according to the intention of a participant in the conference. SOLUTION: A telephone exchange apparatus 101 manages conference group data by a memory 108, enables accessing an arbitrary conference group by dial information (special number) from extension telephone sets (102 or 104) to be a participant and an office line trunk 106, establishes a communication path using a conference communication apparatus 109 in accordance with the received conference group number, and performs conference communication. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2005311410(A) 申请公布日期 2005.11.04
申请号 JP20040121445 申请日期 2004.04.16
申请人 HITACHI COMMUNICATION TECHNOLOGIES LTD 发明人 YAGINUMA SATOSHI;WATANABE HIROSHI
分类号 H04M3/56;H04Q3/58;(IPC1-7):H04M3/56 主分类号 H04M3/56
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