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.
Looking for guidance on how to record the perfect voicemail? Learn how to record professional business voicemail greetings.

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6 Do’s and Don’t’s of writing Voicemail Recording Scripts Follows the do’s and don’t of leaving the correct voicemail for your clients. Write a new voicemail greeting for office following these 6 principles. A lawyer’s office needs to maintain professionalism at all times in order to record the perfect voicemail greeting. Let’s look at an voicemail greetings example.