Patent ID: 8423017

Claim:
A method for updating an onboard data set on a vehicle having a vehicle telematics unit communicable with a call center and with a communications center over a wireless network, the method comprising: establishing a communication link between the vehicle telematics unit and the call center; transmitting a data set version identifier belonging to an updated preferred roaming list between the vehicle telematics unit and the call center, wherein the data set version identifier is transmitted in response to a request from the call center, the expiration of a time period, or an event; comparing the data set version identifier with an onboard data set version identifier stored in the vehicle; setting a data set update flag when the data set version identifier differs from the onboard data set version identifier; establishing a communication link between the vehicle and the communications center using over-the-air service provisioning; and downloading an updated data set representing the updated preferred roaming list from the communications center; and storing the updated preferred roaming list at the vehicle as a new onboard preferred roaming list.