发明名称 Audio conferencing system especially for public telephone network users
摘要 The system includes a number of telephone terminals for the audio conference participants. An exchange system (3) links these terminals together. A server circuit (1) is connected to the exchange and includes connections to receive the speech signals from participants, and to transmit these to other participants. An administration circuit (2) is associated with the server (1), with the administration circuit and server provided to the person administering. The administration circuit includes a microprocessor (8) with a program memory (9), a data memory (12) and a real time clock (11). The program memory holds a series of instructions to validate operation of the equipment in relation to the time and date. The system may be controlled from two levels - by the administrator and by the users themselves.
申请公布号 FR2745456(A1) 申请公布日期 1997.08.29
申请号 FR19960002487 申请日期 1996.02.28
申请人 PIRIOU DANIEL 发明人
分类号 H04M3/56;(IPC1-7):H04M11/00 主分类号 H04M3/56
代理机构 代理人
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