Please hold, your call will be ignored in priority sequence

My ISP's on-hold recording seems to be designed to drive people psychotic. It's the usual mix of music, 'thank you for holding' messages and advertising, all cutting each other off at random intervals. ( Here's a short transcript: )

Now imagine that for ten to fifteen minutes at minimum. I asked the tech about it, he said they don't know why it's like that, it's been like that for years and no one knows how to fix it.

This is Tech Support for one of the largest ISP's in Canada. Now that's confidence-inspiring!