If your a business owner like I am you should know the Do Not Call list does not apply to your business. The FTC even has on their website saying that even if you register your business on the Do Not Call list that since the number belongs to a business they can not enforce it as it is not illegal for telemarketers to call a business. The only way you are going to stop these people is to get a call blocker and block out entire area codes. that your business doesn't do business in. I'm sorry but for businesses there is no other way to stop the calls.