How to set notification alert for missed call or sms on LG G6?

[Android Central Question]

What app I can load to help me to receive notification alerts for missed call or sms ob my LG G6 phone? Thank you!

 

[B. Diddy]

Welcome to Android Central! Are you saying that right now, the phone doesn't give you any notification that you missed a call? Or do you want an app that will keep reminding you audibly about any notification you haven't dismissed?