To Enable or Disable Web Conference Feature
Go to Setup > Operation Settings > Menu Settings > desknet's NEO Menu Settings to display desknet's NEO Menu Settings screen.
Enabling and disabling the Web Conference feature can be done here.

For more information about how to enable or disable an application, please refer
here .
To Add a License Key of Web Conference
Go to Setup > Basic Settings > License Settings.
Please note that you have to purchase a license key of Web Conference to complete this setup.
Click "Add License Key" button to open Add License Key screen.

Enter a license key of Web Conference and click "Add" button to add the license.

Information of the license key is displayed in a list.