| 发明名称 |
Switching system control method and apparatus |
| 摘要 |
A switching system control method controls a plurality of area codes by a single telephone switching system. Area codes and office codes are defined in a corresponding relationship, so that there is no overlap of the office codes and each of the area codes.
|
| 申请公布号 |
US6782090(B1) |
申请公布日期 |
2004.08.24 |
| 申请号 |
US19990354184 |
申请日期 |
1999.07.15 |
| 申请人 |
FUJITSU LIMITED |
发明人 |
SASAKI NORIKI;KISHIMOTO KUNIYUKI |
| 分类号 |
H04M3/42;H04M3/00;H04M15/00;H04Q3/00;H04Q3/545;(IPC1-7):H04M7/00 |
主分类号 |
H04M3/42 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
