Click the green-and-white phone icon. Tap the Contacts icon at the bottom of the screen. It’s the middle option and looks ...

If you've upgraded to an iPhone 16 version from an old iPhone with a Mute switch, you'll see that Silent Mode icon pop up in the status bar the first time you use the Action button to mute the phone.

If you tend to have your iPhone in Silent mode, this status bar symbol can become distracting and annoying, but fortunately Apple has had the foresight to include a way to get rid of it.