Not sure what the problem is with this app because I don't work for text now. But it's unreliable. I get a beep beep when I'm trying to talk and when it does that I can't hear the person on the other line and they can't hear me. All the updates are good. Wifi signal was excellent. And with mobile data it did almost the whole time I was on a call. Oh well still nice to have in emergencys or if I need to say a few words to someone.