The Federal Trade Commission (FTC) is suing two companies and their owner for making billions of robocalls in an alleged scam to sell services and products to unsuspecting victims. “This case shows that the FTC will keep using every tool it has to fight illegal robocalls,” Bureau of Consumer Protection Director Andrew Smith said in a statement Tuesday. “We will go after not only robocallers, but also companies — like these — who give robocallers the platform and tools to deceive the public and violate the law.”

Defendant James “Jamie” Christiano, along with his California-based companies NetDotSolutions, Inc. and TeraMESH Networks, Inc., is accused of facilitating over four billion illegal calls. The calls allegedly used illegal prerecorded messages, called “robocalls,” to sell extended auto warranties, home security systems, debt relief services, search engine optimization, and other goods and services. Andrew Salisbury, a business partner of Christiano, is also named in the lawsuit, which was filed on May 31. The FTC described Christiano’s software to conduct the robocalls, “TelWeb,” as a “one-stop-shop for illegal telemarketers.”