I've had the call for several weeks. I did call them once thinking it was my bank but it's an answer machine, and they don't give out their name. It just says 'All our operators are busy right now, please hold on and we will anser as soon as possible'. If you do hold on, that's how they earn their money. It must be spam and they hope you call them in order to obtain a portion of the cost of your call. Have your number registered with 'Telephone Preference Service' and it should, in time, stop this sort of call.