James KY4TRK Activity Director
The information I am giving here is partly PC/And Android
this is what the icon looks like for the phone not positive if it is the same for I phone.
here is the QR Code and the ICON Being Used Sean AH2AP got me going with it KY4TRK James and a few of us on this application VOIP Radio. It's informal, just asking that you try to use your call sign and name for the group.
There's many other groups that use this and most are informal VoIP chatting. I'm still learning the app myself.