What would happen if you called in and said "A voice inside my head is telling me to jump in front of a bus?" I'd try it myself, except I'm afraid they'd lock me up inside the place where I work. (I got transferred to the psych ward this month.) It's a nice place to be, as long as one can leave...
Automated support phone systems have been doing this for years now. It is funny, but it's pretty old. http://lifehacker.com/software/customer-service/skip-straight-to-the-operator-with-your-dirty-mouth-179352.php
We'll try dumping haloscan and see how it works.