In the Avaya Vantage™ built-in UC experience, tap ExtensionLogout.
ADDITIONAL INFORMATION:
This option is only available if you log in to the Avaya Vantage™ built-in UC experience from the device Home screen instead of the platform login screen.
If your administrator configured the device to display the platform login screen after a start-up, do one of the following:
Swipe down to open the notification area and tap Logout ().
Depending on the settings configured by your administrator, you can also log out from a locked device using this option.
On the Home screen, swipe up to access all available applications on the device, then tap Logout ().