发明名称 |
ABSENCE TRANSFER SYSTEM BETWEEN STATIONS |
摘要 |
PURPOSE:To secure a connection of the caller to the absence transfer register addressed subscriber without using the common line signal system and by using a register sender, and thus to increase the using efficiency of the circuit. |
申请公布号 |
JPS53105922(A) |
申请公布日期 |
1978.09.14 |
申请号 |
JP19770020202 |
申请日期 |
1977.02.28 |
申请人 |
NIPPON ELECTRIC CO |
发明人 |
SAKAKIBARA SHIYUUHEI;OKA SHIYUUJI |
分类号 |
H04M3/54;H04M7/00;H04Q3/54 |
主分类号 |
H04M3/54 |
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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