发明名称 SELECTION FIGURE SENDING SYSTEM FO TELEPHONE EXCHANGE
摘要 PURPOSE:To enhance the flexibility to a new service for which various signal formations are required, by reducing the delay and the control action to form a connectio route between the out-sender and the out-trunk.
申请公布号 JPS533009(A) 申请公布日期 1978.01.12
申请号 JP19760077132 申请日期 1976.06.29
申请人 NIPPON TELEGRAPH & TELEPHONE 发明人 EGUCHI MASATO;KAJIWARA SHIYOUICHI
分类号 H04Q1/30;H04Q3/42;(IPC1-7):04Q3/42 主分类号 H04Q1/30
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