| 摘要 |
PURPOSE: A communication method is provided to give a mobile communication service without an SIM(Subscriber Identity Module) card, in a mobile communication system on the basis of a GSM(Global Special Mobile) standard. CONSTITUTION: A communication system without an SIM(Subscriber Identity Module) card comprises the steps of: requesting subscriber information for authentication according to Non-SIM Service request reception, from a mobile terminal without the SIM card; checking the subscriber information, pre stored in a subscriber information storing section, received from the mobile terminal according to the request, and checking the authentication; performing the normal operation after giving IMSI(International Mobile Subscriber Identity) until a service ends, when it is authenticated. |
