Caller: Do Not Call Register

Foreign voice stating that he was from do not call register asking if I was still receiving unwanted calls from persons, told him yes. He then asked what the expiry date of was when I signed up for do not call register told him that if he was from the do not call register he would know that. He then asked id I still paid my telephone bill by direct debit told him that it was nothing to do with him how I paid any of my bills. With this he then hung up. Obvious scam no using do not call register. Easy con for older unsuspecting people. Absolute low life praying on people using the do not call register