An integral part of Job Search Central is the effective use of voicemail to take your calls when you are not available. Imagine your future boss being greeted by your voicemail greeting and then answer this question: will it enhance or detract from what they think of you? If it is the latter, change it. Otherwise, your future boss may end up being someone else's future boss.
Shut the office door and turn down the music—it’s time to record! Pretend that your office is your music recording studio as you prepare to vocalize your message. Remember that obscene background noise can be a major turn off to potential customers and prospects.

Here are some helpful links to help you record voicemail greeting that is clear and professional. Record your phrases for recording a great voicemail greeting here. Record yourself and compare it with a native speaker. Hear Georgie giving helpful feedback to other students on their voicemail greetings.
Insurance agents have to deal with large numbers of clients almost all through the year. So, they are extremely busy and cannot take calls of clients. For them resorting to voicemail messages become inevitable. Here is one instance of VOIP phone service for businesses like this: