VoIP Abuse Project

J. Oquendo has created the "VoIP Abuse Project" or "VoIP Blacklist Project" designed to detect and block VoIP providers who are the sources of many of the attacks we are seeing, which can include toll fraud, robocalls (voice SPAM, voice phishing, vishing), Telephony Denial of Service (TDoS). Check out the links below:

http://www.darkreading.com/security/news/227500994

http://www.infiltrated.net/voipabuse/