As mentioned above, it is extremely important to have a voicemail message that is easy to understand. However, there is also the matter of word choice. You must ensure to give attention to what your words are in your voicemail greetings. There can be certain words used that may trigger your customers. Though you did not mean what they understood, it will still bring a bad name to your company’s reputation. Your choice of words can affect significantly, so make you give close attention to your words.
Instead of stating the obvious, enhance your message with information your callers can use, such as how to reach someone immediately, when you will be returning calls, or where they can obtain after-hours service. Services that offer multiple custom greetings like Tendant allow you to store multiple greetings so you can have a greeting just for a holiday that you can use every year. Specify the information you want callers to leave. Your voicemail greeting presents a great opportunity to gather important details that will help you better serve your customers. This may include account numbers best times to return the call, and of course, a brief summary of the issue or purpose of the call.

If you can't set up Visual Voicemail, contact your carrier to make sure that your plan supports the feature.
If you live alone, it’s best not to advertise that fact in your outgoing message. If you do, you may leave yourself vulnerable to burglars, stalkers, and other criminals. Instead of saying, “I can’t come to the phone,” say, “No one can come to the phone.”