In the three communication domain: wireless, broad band and application, the orientation of our laboratory is application. Our research topic emphasizes on VoIP (Voice over IP). Especially the related application using 3GPP for developing SIP (Session Initiation Protocol) designated by IMS (IP Multimedia Subsystem). In the academic aspect, SIP is the new tendency of VoIP.

    In industry, SIP gradually replaces H.323 which has been used for more than ten years and become a new standard adopted by network communication equipment supplier and operator. Since SIP is a new protocol, and there are less related research about how to apply the new standard to VoIP, it is just the topic that our laboratory would like to discuss.

    These days, our laboratory is proceeding three research topic, they are security and efficiency management of VoIP on WiMAX and the mechanism of monitoring phone.

   

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