发明名称 AN ELECTRONIC EXCHANGER
摘要 The method is for supervising signalling terminals of a full electronic PABX. The method comprises the steps of; (A)testing signalling terminals; (B)excluding service corresponding to a signalling terminal or reconstructing a signalling terminal according to inserting state and other abnormal conditions; and (C)generating an alarm signal.
申请公布号 KR950011478(B1) 申请公布日期 1995.10.05
申请号 KR19920026077 申请日期 1992.12.29
申请人 KOREA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;KOREA TELECOMMUNICATION AUTHORITY 发明人 CHO, KYONG - SOP;YU, CHAN - HYONG;LEE, BYONG - SON
分类号 H04M3/22;(IPC1-7):H04M3/22 主分类号 H04M3/22
代理机构 代理人
主权项
地址