This is the best summary I could come up with:

"An international network of companies violated federal statutes and the Commission's regulations when they executed a scheme to make more than five billion robocalls to more than 500 million phone numbers during a three-month span in 2021, including violating federal spoofing laws by using more than one million different caller ID numbers in an attempt to disguise the true origin of the robocalls and trick victims into answering the phone," the FCC said.

"Since at least 2018, this enterprise operated a complex scheme designed to facilitate the sale of vehicle service contracts under the false and misleading claim of selling auto warranties," the FCC said.

"Two of the central players of the operation, Roy M. Cox and Aaron Michael Jones, were under lifetime bans against making telemarketing calls following lawsuits by the Federal Trade Commission and State of Texas."

The FCC said it took action to block the robocalling scheme last year by directing "all US-based voice service providers to cease carrying traffic associated with certain members of the enterprise.

The FCC coordinated last year's action with the Ohio attorney general's office, which filed a lawsuit against Jones, Cox, and others involved in the alleged robocalling scheme.

Cox was banned from telemarketing in a 2013 settlement with the FTC, which accused him of sending "illegal robocalls offering credit card interest rate reduction programs, extended automobile warranties, and home security systems."

I'm a bot and I'm open source!