The people who are calling won't listen to you.  I told them I wanted to be put on the do not call list ant the person just said "when would be a good time to call back".  I am trying to call back on the number, however, it keeps ringing busy.
Who can I call?

They called and asked for a male persons name. I said this is not the number you want. I told them not to CALL ME..especially looking for someone else.. They keep calling every day and hanging up when I answer.  What to do?