In the present invention, when the subscription information changes when a terminal is in the connected state, {HEAD ~ not only the subscription information} stored in {TAIL ~ the terminal} and the core network or the HNB gateway is changed, but also the access network element which it accesses modifies its access identity to be a new CSG member state, thus the non subscribed users and the subscribers can be processed differently and accurately 
In the present invention , when the subscription information changes when a terminal is in the connected state , { HEAD ~ not only the subscription information } stored in { TAIL ~ the terminal } and the core network or the HNB gateway is changed , but also the access network element which it accesses modifies its access identity to be a new CSG member state , thus the non subscribed users and the subscribers can be processed differently and accurately
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