Called the Helpless desk, sat on hold for 34 minutes until someone picked up (man, they must have really cut their hours lolz). The poor guy that helped me couldn't figure it out either. When I got off the phone with him, I decided to just plug in a phone at one of the workstations that needed a phone cord replaced on it to see if anything changed. I plugged it back in and no change. So I got the bad phone cord with receiver and plugged it into the phone. Walaaah! The red light went out. So now I know that you have to have all phones hooked up and all phone cords with receiver plugged in, even if they are not functioning, to prevent one of the lines from staying red all day. Who knew..