| 发明名称 |
IP-based enhanced emergency services using intelligent client devices |
| 摘要 |
Providing enhanced emergency services (E-911) to an IP Telephony-based PBX or similar system, by utilizing aspects of the intelligence of end-user SIP client devices to address challenges and difficulties associated with E-911-like services in LAN-based telephony environments.
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| 申请公布号 |
US7440442(B2) |
申请公布日期 |
2008.10.21 |
| 申请号 |
US20030690074 |
申请日期 |
2003.10.21 |
| 申请人 |
3COM CORPORATION |
发明人 |
GRABELSKY DAVID;HOMEIER MICHAEL;TRIPATHI ANOOP;JOSEPH BOBY |
| 分类号 |
H04L12/66;H04L12/28;H04L12/56;H04L29/06;H04Q3/00;H04Q7/38 |
主分类号 |
H04L12/66 |
| 代理机构 |
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