| 摘要 |
A radio packet data terminal and a method of determining an Internet interworking protocol address which can easily provide a mobile Internet protocol service and a mobile Internet service by adding a packet data service option and an Internet protocol address option to an originating message to be transmitted to a base transceiver station or by adding information on the system address for interworking packet data to be connected, the present state of the packet data connection, the purpose of the packet data service connection, etc., to the originating message, when the radio packet data service for connecting with Internet is requested. According to the radio packet data terminal, a simple interworking protocol (SIP) option if the mobile terminal does not have a fixed IP address, a mobile interworking protocol (MIP) option is determined if the mobile terminal has the fixed IP address or is connected to a personal computer (PC), and a unique interworking protocol (UIP) option is determined if the mobile terminal is permanently provided with an Internet interworking protocol. Accordingly, the radio packet data terminal provides an Internet protocol option, connection address option, and state option of the packet data link when the packet data service is requested.
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