Patent ID: 8599718

Claim:
A method comprising: detecting when a voice over Internet protocol device is inside an access network by determining the voice over Internet protocol device is inside the access network if a media access control address of the voice over Internet protocol device was previously associated with an Internet protocol address that is currently associated with the voice over Internet protocol device; when the media access control address was not previously associated with the Internet protocol address that is currently associated with the voice over Internet protocol device, determining the voice over Internet protocol device is inside the access network if the Internet protocol address is listed in a database of Internet protocol addresses associated with the access network; prompting a user of the voice over Internet protocol device to provide geographic location information for the voice over Internet protocol device when both (1) the media access control address was not previously associated with the Internet protocol address and (2) when the Internet protocol address is not listed in the database of Internet protocol addresses; and updating enhanced 911 information for the voice over Internet protocol device based on the geographic location information.