caller said he was from mastercard and that 2 purchases of $600 and a further amount of $100 had been made on my card in the early morning, had i made these or were they in dispute. he couldn`t / wouldn`t say who the company was. told him phone was on do not call register, and hung up.

Scammer. Visa scam saying money has been taken out of account.

Spam do not answer. Missed the call to try it back was this telephone number is no longer in service.