| 摘要 |
A network registration method according to the present invention includes the steps of (A) transmitting, from a mobile station (CB) , an attach request; (B) notifying, at a subscriber information management server (HSS) , a switching apparatus of external network identification information which is identification information of an external network associated with the mobile station (UE) having transmitted the attach request; (C) setting up, at the switching apparatus, a bearer between a gateway apparatus and the mobile station on the basis of the notified external network identification information; (D) allocating, at the gateway apparatus, address information with which the mobile station connects to the external network, to the mobile station; and (E) notifying, at the switching apparatus, the external network identification information and the address information, to the mobile station (UE). |
