In the Vinony graph
Vinony's link graph records 82 inbound references to VoIP spam, and connects out to Voice over IP, spamdexing and anti-spam techniques.
Vinony files it under Spamming and Voice over IP.
Vinony links it to 5 Wikipedia language editions.
Connections
Voice over IP
Entity
spamdexing
Entity
anti-spam techniques
Entity
Acoustic fingerprint
Entity
Google
Organization
Apple Inc.
Concept
email
Entity
International Standard Book Number
Entity
Android
Entity
Wayback Machine
Entity
digital object identifier
Entity
machine learning
Entity
phishing
Entity
electronic spam
Entity
communication protocol
Entity
Turing test
Entity
CAPTCHA
Entity
Internet Engineering Task Force
Entity
Session Initiation Protocol
Entity
PageRank
Entity