Patent ID: 8406762

Claim:
A method for performing a handoff between a first technology network and a second technology network, the method comprising, by a wireless communication device: acquiring a first technology network; sending a power-up registration command from a dual mode controller (DMC) to a first technology controller; after acquiring the first technology network and after sending the power-up registration command to the first technology controller, switching a registration flag to a first state which enables registration with the first technology network; in response to receipt of the power-up registration command by the first technology controller, starting a power-up timer; if a second technology network is acquired prior to expiration of the power-up timer, registering with the second technology network, aborting registration with the first technology network, and switching the registration flag to a second state which disables registration with the first technology network; and, if the second technology network is not acquired prior to expiration of the power-up timer, registering with the first technology network.