Patent ID: 7664073
Filing Date: 2010-02-16
Classification: H04L,H04W

Abstract:
1. A method, comprising: providing a route for a communication connection between a first mobile user terminal and a second user terminal via at least one routing element; communicating, between the second user terminal and the first mobile user terminal, via a border gateway and the at least one routing element; detecting an occurrence of a handoff condition for the first mobile user terminal for a handoff from a first one to a second one of at least two network transceiver device gateways each being adapted to communicate with at least one mobile user terminal, each user terminal being identified by an Internet Protocol address; initiating a handoff procedure at the first mobile user terminal, the first and the second network transceiver device gateways and the border gateway; and transmitting, before completion of the handoff procedure, the Internet Protocol address that identifies the first mobile user terminal from the network transceiver device gateway to be associated to the first mobile user terminal after handoff, and the Internet Protocol address that identifies the second user terminal from the border gateway.