发明名称 |
SELECTION CONTROL SYSTEM FOR OUTGOING LINE |
摘要 |
PURPOSE:To decrease the unavailable holding of the circuit as well as the unavailable outgoing selection control for the basic trunk by the district center with use of the earth-based outgoing line busy informrtion of the regional center, and thus to ensure an effective treatment at the exchange network. |
申请公布号 |
JPS53133312(A) |
申请公布日期 |
1978.11.21 |
申请号 |
JP19770048876 |
申请日期 |
1977.04.26 |
申请人 |
NIPPON ELECTRIC CO |
发明人 |
HOSOYA KEIJI;NAKAGAWA KATSUHIRO |
分类号 |
H04M3/22;H04M3/00;H04Q3/58 |
主分类号 |
H04M3/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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