Voice over internet protocol (VoIP) E911 metro street address guide (MSAG) validation
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United States of America Patent
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May 17, 2011
Grant Date -
Feb 22, 2007
app pub date -
May 30, 2006
filing date -
May 27, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An overlay list of MSAG-valid addresses is created for use in lieu of (or in addition to) the lat/lon or postal address which otherwise would go with an E911 VoIP 911 call. This overlays the nation with a series of MSAG-addressed polygons, with center points identified in those polygons, and MSAG-valid addresses provided to the PSAPs for those centers, preferably along with the original latitude/longitude coordinates.
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