发明名称 HANDLING EMERGENCY SERVICE CALLS ORIGINATING FROM INTERNET TELEPHONY
摘要 A method and system for interfacing internet protocol-enabled emergency calls to a public 9-1-1 system are described. The method can include routing an emergency call originating from internet protocol telephony to a data network via a routing device which may include an identifier. The method can include transferring the routed emergency call to a predetermined public service answering point based on the identifier.
申请公布号 US2009141870(A1) 申请公布日期 2009.06.04
申请号 US20080344819 申请日期 2008.12.29
申请人 MCI, INC. 发明人 COSTER MARK W;ANDERSON JOHN R
分类号 H04M11/04 主分类号 H04M11/04
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