As I mentioned above, some words like ‘can’t’ are often mispronounced by non-native speakers and it can sound like a swear word!
Ideally, a business should have a complete set of messages for every phase of their call flow from beginning to end. While voicemail greetings are an important part of the phone system, there need to be recordings for everything leading up to the voicemail as well (assuming there are other steps in the call flow).

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.
Some of us may still remember a time when voicemail was a blank canvas for pranksters and humorists. They would use voicemail greetings as a place to begin recordings as if they were answering the phone (“Hello? I can’t hear you… Just kidding! Leave a message…”) or to flash some personality with music or themed messages. Unless your business is a costume rental facility or joke and magic trick shop, it’s best to avoid this strategy. Instead, try to remember a few key points to focus on-