I’m guessing you’ve got a voicemail.

Phone is not sure if you had a missed call or not. still checking….

It is the voicemail even if you don’t have it, reboot the phone to get rid of it.

It’s an inquiry regarding your car’d extended warranty.

This is a warning that your conversations are always being recorded.

Go to settings and go to phone. Turn everything on and off there. It should have gone.