VISITED NETWORK, HOME NETWROK, SYSTEM AND CORRESPONDING METHOD FOR USING SERVICE OF VISITED NETWORK, AND TERMINAL

摘要

Examples of the invention disclose a visited network, a home network, a system for using service of visited network, a method for opening service of visited network, and a terminal. The example of the method discloses that: register information of a visit terminal in the visited network be registered to the home network through the visited network; The home network informs the visit terminal registering the virtual terminal information to the visited network when it acknowledges that the virtual terminal information of the visit terminal in the visited network has been opened; The virtual terminal selects the needed service of the visited network, and sends opening application of the service subscription information in the visited network to the visited network; The visited network opens the service subscription information for the virtual terminal. The example of the invention endows the visit terminal with virtual terminal identity based on opening the virtual terminal information of the visit terminal in the visited network, thus allowing the visit terminal to enjoy the service supplied by the visited network via the virtual terminal identity.