We firstly describe the main architecture of this system,and then depict that the original inputting data come from probes which collect communication data and send them to our system through FTP(file transfer protocol) periodically.

• 首先叙述了系统的总体架构,说明该系统的原始数据来自于探针从各地市VoIP网络采集后由FTP定时传送过来的通信数据。