Abstract: The methods used in SPAM detection which are adopted in SPIT detection so far have too many limits. This paper presents a new method of SPIT detection and prevention in NGN. This method is based on the detection of signaling and black lists in IP multimedia subsystem. And the broken of signaling is used to detect and prevent SPIT.

Key words: IP multimedia subsystem (IMS), SPIT, Blacklist, Signaling-detection

摘要： SPIT检测方法多是采用垃圾邮件的检测方法，有很大的局限性。该文给出了一种应用于IP多媒体子系统结构中新的SPIT的检测和阻止方法，该方法基于黑名单和信令流双重检测，采用信令链路阻断的方法能够很好地检测和阻止SPIT的传播。

关键词: IP多媒体子系统, SPIT, 黑名单, 信令流检测

CLC Number: 

• TP393