Have a listen to this (MP3, ~450Kb). It was a message left on BT 1571 (domestic voicemail service, for non-Brits) the other day. I’ve also been called directly by this person/machine and had another similar message.
I love the way they’ve crafted it to make it sound like a stumbling yet polite gentleman that couldn’t possibly be part of a scam. I also love the way that they put emphasis on the 090 number (charged at £1.50/min… of course) and that the last three digits are clearly inserted by a computer.
It would be hilarious if so many people didn’t get caught out by these bastards.