If you've got an iPhone... there's an app for that (�0.69 called teletext see link:
http://itunes.apple.com/gb/app/frenc...378079493?mt=8 ) which even speaks the phrase to the unsuspecting frenchman or frenchlady, because believe you me, you might have all the phrase books in the world, but if you read it with a broken accent chances are, they won't understand a bleeping word of it!