We can be reminded by the Xiaomi device if we have a missed call on the smartphone.
We can set how often the reminder is repeated from "1 time" to a maximum of "10 times".

Android 10 (MIUI 12.0)
Step 1:  Open the  Phone app
Step 2:  Open the  Settings
Step 3:  Tap on  Advanced settings
Step 4:  Tap on  Missed call reminders
Step 5:  Enable or disable  Missed call reminders
  1. Open the Phone app
  2. Open the Settings
  3. Tap on Advanced settings
  4. Tap on Missed call reminders
  5. Enable or disable Missed call reminders

Xiaomi Instructions