There are a few settings in Mac OSX Catalina that will need to be enabled if you're having trouble making a call, video call, or screen-share in Wickr. Please navigate to Mac System Preferences->Security & Privacy to enable these permissions.
NOTE: If changes are made to permissions while Wickr is open, you will need to restart the app to have the changes take effect.
To allow for calling in Wickr, you will need to enable the Microphone permission:
Enterprise and Pro only:
To allow for video calling in Wickr, you will need to enable the Camera permission:
To allow for screen-sharing in Wickr, you will need to enable the Screen Recording permission: