olemus
VoIP-liikluse tuvastus ja analüüs,
kõneandmete püügiks
=
the unauthorized analysis of VoIP traffic targeted to accessing sensible information or finding vulnerabilities

ülevaateid
http://www.voiptuts.com/2011/11/voip-sip-security-call-pattern-tracking.html

http://www.ciscopress.com/articles/article.asp?p=1245881&seqNum=2