You answer the phone and listen. Transcript here.

What? It seems that you are in more danger here than you ever thought you would be in. Now, you will have to avoid death by closing the doors, checking your monitor, and checking the hallway lights, all while conserving enough energy to last 6 hours. And the company isn't responsible when you die?! WHAT IS THIS MADDNESS?? You check the time. It is 2AM.