Patent ID: 7894798

Claim:
A method for delivering a notification to a wireless device via a wireless communications network where the wireless device provider has a first and a second wireless technology types, the method comprising: receiving a notification from a notification delivery sub-system for the wireless device, the wireless device operating in the second technology type; attempting to communicate the notification to the wireless device via the first technology type; receiving an error signal from a serving Mobile Switching Center (MSC) indicating that the wireless device is not reachable; sending a delivery notification to the location registry, wherein the delivery notification is logged by the location registry; receiving updated location information from the serving MSC that the wireless device is reachable; alerting the notification processor that the wireless device is reachable; receiving routing for the wireless device from the location registry via the notification processor; forwarding the delivery notification to the wireless device through the serving MSC; receiving an error signal that the communication attempt has failed; attempting to communicate the notification to the wireless device via the second technology type, which includes: requesting routing for the wireless device from a location registry of the second technology type, receiving routing for the wireless device from the location registry of the second type, and sending a message waiting notification to the wireless device through the serving MSC; and receiving a delivery signal that the second communication attempt was successful; logging of the second technology type of the wireless device as a default technology protocol to be used in the future.