I've been getting calls from this company for a li...

I've been getting calls from this company for a little while now. They are calling for a family member of mine so I just ignored it because I'm not in contact with them. Eventually I called because an employee left a message where he sounded annoyed and I was sick of the calls.

I called and spoke with the employee who was leaving the messages. I told him I didn't know the number or address of the person they were looking for. The employee scoffed at me, said "okay" and hung up on me.

I called back because I thought he had been pretty rude about it. He asked why I called back since they put me on the "do not call" list. I said it was because he was being rude to me. He told me that I was harassing him and that he would be contacting someone about it then proceeded to hangup on me.