Using voicemail is very helpful for you, so you must know how to set up voicemail on your iPhone. Through it, you will delete, organize and play your voicemails from the handy menu. This application will send you some information with voice form while you are busy or cannot answer the telephone. Setting up voicemail on your Apple iPhone 11 is simple. Here’s a guide on how to set up voicemail on iPhone 11.
That way you'll get to know exactly what other people hear when they call your phone and one last thing I wanted to show you. If you don't see that play on record option on the bottom, you don't have visual voicemail. Set up on your phone and that's through your provider. So if you have at and T sprint T-Mobile or any other provider, you need to have visual voicemail.

It doesn’t matter what you save to your phone, computer or tablet — everything you keep on your devices should be considered private unless you give someone else permission to look through your files, images and apps.
Tap Voicemail in the bottom right corner. 3. Tap Greeting in the top left corner of your screen. In the top left corner, tap Greeting to edit or change your outgoing voice message. 4. Tap Custom if you want to record a custom greeting. To record a personalized message, tap Custom. This will give you options to record a new one.