Published May 19, 2021 Updated May 19, 2021, 12:42 pm CDT The Federal Communications Commission (FCC) sent letters to two companies demanding that they stop illegal robocall campaigns from being carried out on their networks. Featured Video Hide The FCC sent cease-and-desist letters to VaultTel Solutions and Prestige DR VoIP warning them that if they did not take action to stop carrying the robocall campaigns on their networks, the FCC would allow other network operators to block traffic from their companies. Advertisement Hide In the letters, the FCC notes instances where VaultTel Solutions and Prestige DR VoIP had transmitted robocall campaigns. The agency said social security administration imposter calls and internet bill reduction calls were sent on VaultTel’s network and vacation package robocalls were sent on Prestige’s network.