Don't just file a "no call" complaint. This is my 2nd. I've never heard back from them. (Probably like the FDA... funding has been gutted and diverted elsewhere by our current administration.) It pales in comparison to lead-painted toys/ poison pet food, but I've been home sick all week, 102 fever, sore throat... -- and they keep calling. I called them and was told someone tapped into their phones, making the calls. Google Dataside. They provide hi-security/ hi-tech networking solutions and office space for telecommunication, internet... companies, you know, like computer- generated phone solicitors. They are inept morons if in that business and can't figure out who is using their phone lines. I suspect they or one of their customers are making the calls -- and they know it.
Call, harass them back. Keep their phones tied up. Call the Dallas BBB. I worked 25+ years in social services/consumer protection. Most of these calls come from Texas and Florida -- because they harbor/protect them. (Texas has also long been known as the "deadbeat dad" state, where you go to avoid paying child support.)
Call Texas legislators and complain re: their protecting these parasites. Call your state's attorney general. They often will more aggressively pursue this than the FTC's no-call registry. CEO of Dataside is James deVenny, home phone 972-931-2556, says he no longer works there (not what the internet/ his office voice-mail say) and they only deal with building space, nothing with phones/ internet/ computer systems -- not at all what their website says.