Importance

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Abstract

A method for providing an indication of certainty of location of origin of an internet protocol emergency call including: (a) routing the emergency call from an originating internet protocol calling instrument via an internet protocol telephone service provider unit to a call taker; the provider unit having a provider telephone number; the emergency call being accompanied by an internet address for the originating calling instrument; (b) in no particular order: (1) looking up the internet address in a data base to ascertain a first data element; and (2) looking up the provider telephone number in a data base to ascertain a second data element; (c) comparing the first and second data elements; (d) if the first and second data elements match, continuing handling the emergency call; and (e) if the first and second data elements do not match, presenting an alert to the call taker.

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First Claim