Cell message is a value added service provided according to the cell information of mobile users. According to user location management features of the mobile communication system, the cell message system can extract users’information of current cell through monitoring A Interface and MAP signaling links around MSC, providing users who enter the cell with information service. The user location obtained through cell message is quite accurate. Government agencies, enterprises, merchants etc. can make use of this system to launch information services for users in specific area and time.
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