Patent ID: 8447267

Claim:
A system for providing location information to a public-safety answering point during an emergency 911 call, the system comprising: a network access point configured to: store physical address information comprising a street name and number of a physical location associated with the network access point; receive an emergency 911 call from a wireless device currently associated with the network access point; in response to receiving the emergency 911 call, generate a modified caller identification frequency shift keying (CIFSK) signal containing the physical address information, wherein generating a modified CIFSK signal comprises: retrieving the stored physical address information; and modifying the CIFSK signal by replacing data in one or more call identification information data fields with the retrieved physical address information; and transmit the generated CIFSK signal to cause a public safety answering point (PSAP) receiving the emergency 911 call to display the physical address information, wherein the CIFSK signal is to cause the PSAP to display at least some of the physical address information; and a controller configured to request from a database, network address information of a selective router through which the physical address information is to be sent to the PSAP during the 911 call, the database being configured to locate the selective router based the physical address information.