| 发明名称 |
Method of providing 911 service to a private branch exchange |
| 摘要 |
A method of providing 911 service to a private branch exchange, includes grouping a plurality of private telephone numbers into a set. An outgoing telephone line for a 911 call is assigned to the set. A location information for the outgoing telephone line is input into a location database.
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| 申请公布号 |
US6650733(B2) |
申请公布日期 |
2003.11.18 |
| 申请号 |
US20020278602 |
申请日期 |
2002.10.23 |
| 申请人 |
AMERITECH CORPORATION |
发明人 |
SAVAGLIO JOHN JOSEPH;FOWIER RICHARD BRUCE |
| 分类号 |
H04M3/51;H04M7/00;(IPC1-7):H04M11/04 |
主分类号 |
H04M3/51 |
| 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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