This app was mentioned in 3 comments, with an average of 1.33 upvotes
Phone Fusion's app:
https://play.google.com/store/apps/details?id=com.phonefusion.voicemailplus.and&hl=en
It's not a looker, but extremely powerful.
I downloaded this a couple months ago. I love it.
https://play.google.com/store/apps/details?id=com.phonefusion.voicemailplus.and
Try this app.