Patent ID: 6956931
Filing Date: 2005-10-18
Classification: H04L,H04M

Abstract:
1. A method of handling an emergency telephone call placed from a caller over a packet network, wherein the caller logs-in to the packet network to receive a user packet address for use in packet communications, the method comprising: in response to the log-in by the caller, receiving a correlation of a location with the user packet address into a location server; storing the correlation of the location with the user packet address in the location server; receiving the emergency telephone call from the caller over the packet network into a service node, wherein a source packet address for the emergency telephone call comprises the user packet address; in response to receiving the emergency telephone call over the packet network, transferring the source packet address from the service node to the location server; in the location server, comparing the source packet address to the user packet address stored in the location server to determine the location stored in the location server and correlated with the user packet address; transferring an indication of the location from the location server to the service node; and in the service node, routing the emergency telephone call to an emergency service that serves the location in response to receiving the indication of the location.