Patent ID: 9444892
Filing Date: 2016-09-13
CPC Classification: H04L,H04W

Claim Text:
1. A method of communicating with telematics units in vehicles by a communication hub in a wireless communication service provider network that maintains communication state information about a plurality of telematics units, wherein the telematics unit communication states comprise an on-line state, an off-line state, and an off-line and out-of-wireless coverage state, comprising: receiving a content message directed to a telematics unit by an event manager application executing on a server computer, wherein the telematics unit is an electronic device comprising a wireless communication transceiver and integrated into a motor vehicle; determining by the event manager application that the content message is a high priority message type; determining by the event manager application that the telematics unit is off-line and out-of-wireless-coverage; and responsive to determining that the content message is a high priority message type and to determining that the telematics unit is off-line and out-of-wireless-coverage, sending by the event manager application a wake-up message to the telematics unit, wherein the telematics unit, responsive to receiving the wake-up message, establishes a roaming data wireless communication link and receives the content message via the roaming data wireless communication link.