Research on Instant Messenger's Voice Traffic Identification Technology of DVB-S
Zhang Bai-yu · Video Engineering · 2010
Communication protocol of the popular instant messenger client software MSN,QQ and ICQ are analyzed in order to monitor instant messenger's voice traffic of DVB-S.Focusing on voice messages during the session connection characteristics and the characteristics of voice and packets,a voice traffic recognition algorithm based on protocol process and deep packet inspection is proposed.The three kinds of instant messenger's voice traffic identification are realized.