The IGEL Cloud Gateway (ICG) is required if the UMS and the devices are not in the same network. The following scenarios are typical use cases for the ICG:
The endpoint devices (IGEL UD, UD Pocket or devices converted by UDC3/OSC) of all geographically dispersed branches of a company are to be managed by one central UMS.
UD Pocket or devices converted by UDC3/OSC are to be managed by the UMS which is residing on premises.