Well yes, actually, I am. I happen to spend a great deal of time in my office. However, I frequently need to leave and go to the bathroom, help someone at their desk, take another phone call, drive around the Maritimes, and drop everything at a moment's notice. I am one person supporting the needs of 150 people, and sometimes I too need a vacation.
I have a landline, a cell phone, and a Blackberry. If you can't reach me, that's your problem, not mine. Don't call one phone number and complain that I never answer it without even bothering to try me elsewhere. Apparently you haven't learned that pissing someone off BEFORE you ask for help really isn't a nice thing to do.