A person who has identified himself as David Hall and James Thomas is placing calls to our business phone number. He askes for a female name of which we have no one employed here by that name. We have explained repeatedly that this is a business number and that he needs to remove us from his calling list as we have no one by the name he is requesting. The man then gets very irrate and beligerant and states he will continue to call over and over. We hang up the phone and he places numerous calls in a row back to our office. We have threatened legal activity and still cannot get the calls to stop. One of the numbers he is calling from is 305-506-8033.