IGEL Cloud Gateway 2.02 Current: ICG Manual PDF Download PDF Download page ICG Manual. Current page Include child pages All pages ICG Manual The IGEL Cloud Gateway (ICG) enables the Universal Management Suite (UMS) to securely manage endpoint devices outside the company network. What is New in 2.02.100?PrerequisitesWhen to Use ICGLimitationsInstallation and SetupConnecting the DevicesAdministration