Patent ID: 8767555

Claim:
A method of operating a call processing system to route a voice-over-packet call between a wireless communication device and a destination device, wherein the destination device is located in a geographic area served by a local exchange carrier, the method comprising: receiving a request for the call originating from the wireless communication device, wherein the request comprises a destination identifier of the destination device and a wireless access node identifier of a wireless access node providing wireless access to the wireless communication device; processing the destination identifier and the wireless access node identifier to determine if the wireless access node is located in the geographic area served by the local exchange carrier; selecting a first route for the call from a packet network serving the wireless communication device to a first media gateway trunked to the local exchange carrier serving the destination device if the wireless access node is located in the geographic area served by the local exchange carrier; selecting a second route for the call from the packet network serving the wireless communication device to a second media gateway trunked to an interexchange carrier trunked to the local exchange carrier serving the destination device if the wireless access node is not located in the geographic area served by the local exchange carrier; and transferring routing instructions for the call for delivery to the wireless communication device comprising a network address associated with one of the first media gateway and the second media gateway.