VoIP technology has clear advantages over traditional circuit switched telephony. One of the most prominent advantages of Hosted VoIP is its relative affordability as call volume scales up. We call it “price-performance”. Unfortunately ethical and legal business operators are not the only ones to take advantage of this benefit. Accessibility of hosted VoIP resulted in lowering the cost of predictive dialing (technology allowing a PBX system to place many calls automatically).
This spam takes interactive and non-interactive forms. By interactive I mean any unsolicited robotic calls that let you talk to a live agent. Non-interactive spam is typically presented as message broadcasts (be they text, voice or email).