Consider for a moment how your phone is currently being answered. Professional courtesy is quite often not the standard for many college students. An abrupt "Yeah!" could be listed among the more courteous greetings. The more outrageous remarks will often buy you a major black mark in the professionalism category—even if it was your roommate answering your phone and acting crazy. A simple "This is ____" is always a pleasant change for a college student call. Make the change today, before the next (or first) employer phone call. If you have a landline, you should also encourage your roommate to do the same.
Not many might consider it, but your business voicemail greeting is probably more important than you think. Now, we probably all hate recording those generic voicemail greetings at home or on our cell phones. But when it comes to our business – a generic, lifeless robotic greeting probably just won’t cut it. And thanks to the software that comes with your business VoIP solution, it is easier than ever to change your greetings on the fly.

"Everyone is looking for instant gratification, and if you can't provide that...a lot of times they'll simply hang up," he says. "Companies are losing a lot of business opportunities because people are not leaving them messages. "
A monotone voicemail message will not only be difficult to understand, but it will also potentially lose your caller’s interest quickly.