Smart card that implements SPI and IP multimedia service transmission method using SIP

摘要

PURPOSE: A smartcard for embodying SIP(Session Initiation Protocol) and a method for IP multimedia service transmission are provided to efficiently perform user authentication. CONSTITUTION: An HTTP(HyperText Transfer Protocol) response module(142) receives an HTTP request message from a mobile terminal. A servlet unit(144) transmits the logic process and the process result. A web storage unit(146) stores the HTTP request message and the logic process result. An SIP(Session Initiation Protocol) user agent unit(148) requests the local processing of the multimedia service to a proxy and a presence server.