Persistent voicemail notification?

I love my G5, but one issue is still bugging me. I can't figure out how to set the status bar to show a voicemail icon when I have a new message.

There's sometimes a missed call icon that lasts until I check recent calls, but I've missed out on voicemails that hide from me.

I'm using the free version of Verizon's visual voicemail, not the premium one.

I tried a few apps to add a status bar icon, but haven't found one that hides the icon after I've listened to new voicemails.