I have a confession to make: I haven't recorded a new voicemail greeting in nearly a decade. Since then, I've (hopefully) become more articulate, poised, and self-assured. But hear my voicemail recording, and you'd think I was still new to the work world, a little unsure of myself — and probably not an authority.
What happens here is when you apologize and sound genuine in your tone, your prospects would understand and leave their contact details for you to follow with them.

A secretary in a doctor’s office creates a voicemail greeting that says, “If you have a scheduled meeting with us, we could use copies of all your medical documents from last year, so come prepared.” Using the word “could” gives patients the impression that they don’t necessarily “need” last year’s documents. See the difference between “could” and “need”? Your word choice can impact a future meeting significantly. If you want a customer to perform a specific action, you need to pay close attention to how you express your calls-to-action.
Voicemail used to be one of the biggest features of a mobile phone plan, but now it’s one of those features not many people use. As a matter of fact, as far back as 2014, NPR explored the reasons why millennials (and those who come after) hate the service.