How to turn off "Silence" feature in the Do Not Disturb settings

Hi everyone, need some help. I just noticed this a couple of weeks ago - when my phone is locked, I cannot receive calls; my phone simply tells me after the person has called that I have missed calls- my phone doesn't ring at all. Today, I went into the settings app and opened up the Do Not Disturb feature. There's a "silence" option that only offers two settings: (1) "Always" - incoming calls and notifications will be silenced while iPhone is either locked or unlocked, or (2) "While Phone is Locked' - incoming calls and notifications will be silence while iPhone is locked.

Is there a way to turn this feature off altogether so I'm able to hear my phone ring even if it is locked?? Any suggestions/guidance would be much appreciated.

Thanks!