发明名称 |
Speech system, extension communication terminal, and method of up-loading data for communication system |
摘要 |
A telephone system requiring no upload of station data which is reset or set after a seat change even if the station data is not uploaded to a data management equipment whenever the operation change the station data of an extension communication terminal. Each of the extension communication terminals judges, on receiving a seat-change instruction, whether or not its station data is changed. If the station data is judged to be changed, the station data is uploaded to the data management equipment through a switching system.
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申请公布号 |
US6647104(B1) |
申请公布日期 |
2003.11.11 |
申请号 |
US20000424651 |
申请日期 |
2000.02.18 |
申请人 |
HITACHI TELECOM TECHNOLOGIES, LTD. |
发明人 |
ENDO HIROSHI |
分类号 |
H04M3/00;H04M3/42;H04M3/51;H04Q3/545;H04Q3/58;(IPC1-7):H04M1/00 |
主分类号 |
H04M3/00 |
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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