1.
Look for in your status bar. If you see it, then your phone is sending calls to voicemail so you’re not
interrupted. To have your phone ring for incoming calls, open quick settings and touch to turn off
Do Not Disturb.
2. Check your schedules for Do Not Disturb and delete any you don’t want.
3. If you're using Bedtime mode but don't want to send calls to voicemail when you're sleeping, touch
Settings > Digital Wellbeing & parental controls > Bedtime mode > Customize and turn Do not
Disturb for Bedtime mode off .
Fix issues : Call and SIM issues 268