Utilizing both Voice over Internet Protocol (VoIP) technology and traditional phone service, TeleBlock is the only fail-safe solution that ensures 100% state and federal DNC list compliance. It requires no office installation, additional equipment, or set-up fees. TeleBlock is available from a variety of well-known telecom companies, including Paetec Communications, Qwest, and Verizon Business. To date, the company has processed over six billion calls, a number equal to the entire global population!