Principles and Implementation of Spam Short Message Monitoring
YI Yang-feng · Zhongxing Telecom Technology · 2005
Monitoring Spam short message is a new task for the Short Message (SM) service management. Concerning security issues, there are vulnerabilities in the access part, SM center and SM gateway of SM service system. Three monitoring mechanisms are usually adopted, i.e., real-time blocking, bill analysis and protocol inspection. Each of them has different advantages and they can also be combined together.