Making an outline of the call flow and writing out scripts for each phase and menu in it can help ensure that there are no gaps in the process from start to finish. This way, callers can reach the voicemail recording in the first place.
In an ideal world, voicemail would be unnecessary. There would always be someone available to take customer calls and no one would complain about their calls not being returned and/or rejected. But of course, this perfect world isn’t possible. That’s why it’s important to give your callers options when you are unavailable. For example, aside from leaving a message, callers can also choose to listen to some relevant information about your business (such as a list of your services, your address, directions, hours of operation, and more).

Before the digital era, he says more than 80 percent of business lines had voice mail. Now, he estimates only a third of office phones have it.”For customers, even the most professional voicemail greeting is impersonal, and may even harm customer experience (millennials, in particular, avoid using voicemail altogether).
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.