近年來，有線與無線接取網路技術皆有長足的進步，通訊科技的演化使得連上網際網路的環境愈來愈成熟，速度與頻寬也愈來愈快速。當大家都可以方便的利用有線或者無線的方式上網時，我們所要思考的問題便是：該提供什麼樣的資訊給網際網路使用者？如何提供使用者主動式或者被動式的資訊服務？明顯的，使用者的地理位置、接取網路環境特性便成了一個很重要的參考指標。
　　因此，本研究主要課題是關於使用者位置資訊之取得及接取網路環境特性的偵測。研究中將提出一個架構來完成取得SIP環境中的使用者位置資訊的目標，以根據使用者所處位置、網路環境，提供主動式及被動式的智慧型服務。並希望能夠做為將來發展智慧型校園資訊漫遊系統的先期研究。

　　In recent years, wired and wireless network communication technology has progressed at a rapid rate. The evolution of communication technology has acomplished the well-devoloped network environment. The communication speed and bandwidth both increase. As everyone can take advantages of wired or wireless internet services, two issues should be taken into consideration: what kind of information is to be provided to internet users and how to provide active or passive information services. Obviously, the location of users and the characteristics of the access network are very important.
　　Therefore, this study focuses on the acquisition of the information of the user’s location and the network environment. In this study, the system architecture was suggested to acquire the location information of the user’s location in SIP environment. Based on the information, the active or passive intelligent services can be provided. Hopefully, this study can be a pioneer in development of the intelligent campus information system.

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