Configuration

DefaultEngine.ini

Edit your Project\Config\DefaultEngine.ini configuration file and Apply the settings for your Application

[VoiceChat.Vivox]
bEnabled=true
ServerUrl="https://ue4mt1s.www.vivox.com/api2"
Domain="ue4mt1s.vivox.com"
Issuer="eeldev7508-"
InsecureSecret="muc4"

You must use the ServerUrl and Domain values that are displayed in this example!