While missed calls aren’t ideal, you can let your caller know you’re still there for them by having a great voicemail greeting. The best business voicemail greetings let your customers (and potential customers) know why you’re not available and how they can best get in contact with your business. They are also short and to the point. You usually want to keep your greeting between 6 and 24 seconds long so callers don’t hang up halfway through.
A word of warning: These greetings will not do you any favors if you're in the midst of a job hunt or work in a conservative industry. Always remember your target personas. If there's a chance they won't appreciate your sense of humor, opt for a straightforward greeting instead.

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.
4. Toggle Cellular Service on and off. You can turn off and then turn on Cellular Service from Settings or Control Center. Launch Settings → Cellular → Toggle off Cellular Data → After 30 seconds, toggle it back on.