发明名称 EMERGENCY CALL LOCATING SYSTEM
摘要 <p>A computer-based system for receiving emergency telephone calls which, upon receipt of the call, provides a voice connection to the operator (10) as well as displaying a map showing the location of the calling party and other relevant textual information. The system is interfaced to a public or private telephone network (30) and provides switching and other telephone functions for controlling and distributing both voice and data to other operators (10) in the system.</p>
申请公布号 WO1991003118(A1) 申请公布日期 1991.03.07
申请号 US1990004512 申请日期 1990.08.10
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