Patent ID: 7068669
Filing Date: 2006-06-27
Classification: H04L,H04W

Abstract:
1. A method for maintaining an Internet Protocol (IP) session for an access terminal at a first radio network, the method comprising: establishing the IP session for the access terminal with a network element via the first radio network; receiving a request to maintain the IP session if the access terminal is not tuned to the first radio network; receiving a forwarding address for the access terminal via the first radio network; receiving an indication that the access terminal is not tuned to the first radio network; receiving a first packet for the access terminal via the first radio network; sending a second packet in response to reception of the first packet, wherein the second packet is addressed to the access terminal using die forwarding address; establishing a connection with the access terminal via the first radio network; and sending the first packet to the access terminal via the first radio network.