Patent ID: 8787909

Claim:
A method of controlling a Local IP Access (LIPA) service in a core network entity taking charge of the control plane within a mobile communication network, the method comprising: receiving an initial message from Home (e)NodeB, wherein the initial message comprises at least one of LIPA related information and capability information, and the LIPA related information comprises at least one of Access Point Name (APN) for LIPA and information for a local gateway, and the capability information comprises a first indicator indicating whether the Home (e)NodeB supports a LIPA function, and the initial message comprises an attachment request message by a terminal; determining whether the terminal uses a LIPA service at the Home (e)NodeB by considering at least one of the LIPA related information within the initial message, the capability information within the initial message, and subscriber information of the terminal, upon receiving the initial message; storing a result of the determination; generating an attachment accept message comprising a second indicator indicating whether the terminal uses a LIPA service at the Home (e)NodeB; transmitting an initial setup message comprising the generated attachment accept message to the Home (e)NodeB for transmission to the terminal; and receiving, from the terminal via the Home (e)NodeB, a request related to bearer setup for LIPA only when the second indicator indicates that the terminal uses the LIPA service at the Home (e)NodeB.