Patent ID: 7831253

Claim:
A method of operating in a wireless communication network that includes a wireless device, a first access network and a second access network, wherein the first access network includes a first data associated with the wireless device, the method comprising: receiving a first request for service from the wireless device at the second access network; determining by the second access network whether the second access network has a second data for serving the wireless device; sending a second request from the second access network to the first access network if the second access network does not have the second data, the second request being associated with serving the wireless device; receiving a status indication from the first access network at the second access network, the status indication being based on one of a plurality of possible errors; determining whether to perform a network initiation process for the wireless device base on the status indication, the network initiation process including performing a network entry cycle for the wireless device; and performing the network initiation process for the wireless device if the status indication indicates a record associated with the wireless device is not found.