You might also consider giving them the option to skip your voicemail message completely by pressing another key (again, check with IT). You also want to make callers aware what you will return their call, instead of telling them that you will try to return their call--and let them know when you are likely to do it, if possible. If necessary, provide additional or emergency information in your voicemail greetings. My dentist, for example, lists his cell phone number for emergencies.
The professional voicemail greetings is the cornerstone of any good business. Not every voicemail recording is relevant to every situation. This guide is going to demonstrate some of the specific custom voicemail greeting examples for doctors, dentist, real estate agent, lawyers and other professionals.

1. "Hi, you've reached [your name] at [your company]. I'm unavailable right now — probably helping [type of company] get [X results, e.g. ‘ double their leads in 60 days,' ‘hire the best and brightest engineers,' ‘convert 40% more customers.']
Whether it’s an out-of-stock product, a canceled event, or social media snafu, there are times when your business may see an influx of frustrated callers. While it is important to address their concerns head-on, you may not be able to answer each call as it’s received. Make sure you use best practices for dealing with angry customers, and that your voicemail greeting sets the appropriate tone. Avoid defensive language, validate their concerns, and keep them informed as to how you are handling the situation.