Forensic Method Analysis Involving VoIP Crime

With the popularity of Internet phones, relevant criminal activities have emerged. Based on the basic principle of Internet phones, this thesis analyzes the current working principle, basic structure and the existing loopholes of Internet phones, puts forward forensic methods involving VoIP crime, and then makes an actual analysis on forensic methods of the host computer, servers of operators, and arbitrary number modification software, which all involve VoIP crime.