Ed - what state are you in? I hate lawsuits and dealing with attorneys, but I actually sued two junk fax companies in California and won both times - $2300 the first time and $1100 the second (minus attorney fees). The attorney I used does nothing but suits over calls like what you are receiving. It is definitely $500 per occurrence so save those caller ID records. Both losers were more afraid of setting a precedent by losing and having the same attorney come back and sue them again on behalf of many clients. The second one I appeared in court and they tried to lie and I "baffled them with technical bs" so they settled. I used to get junk faxes at 3:30 in the morning and after e-mailing and calling and sending written communication they still didn't stop. It is difficult to sue in one state if the caller is from another state, I know that.