SYSTEM AND METHOD FOR PROVIDING AN INDICATION OF CERTAINTY OF LOCATION OF ORIGIN OF AN INTERNET PROTOCOL EMERGENCY CALL
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United States of America Patent
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app pub date -
May 9, 2013
filing date -
Feb 25, 2010
priority date (Note) -
Abandoned
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Abstract
A method for indicating certainty of origin of an IP emergency call includes: (a) entering a registered address related with an assigned telephone number for a VoIP calling instrument in a provisioning system database; (b) when the call is initiated with a VoIP Service Provider (VSP) unit having an assigned internet address; in no particular order: (1) looking up the assigned internet address in a first database to ascertain a first data element relating to a VSP unit geographic region; and (2) looking up the assigned telephone number in a second database to ascertain a second data element relating to a registration geographic region containing the registered address; (c) comparing the first and second data elements; (d) if the data elements match, delivering the call; and (e) if the data elements do not match: (1) setting a flag presenting an alert to the call taker; and (2) delivering the call.
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