Zoom ADSL X6v - Manual (Page 118)

Enabling or Disabling UPnP
Universal Plug and Play (UPnP) with Internet Gateway Device
(IGD) protocol is installed in X6v units when they are shipped by
Zoom. Change this setting only if you have a good reason to do so.
To change the status of Universal Plug and Play, on the Router
Setup page click UPnP:
Setting Description
Enable UPnP IGD
Function Select this check box to enable or
disable Universal Plug and Play with
Internet Gateway Device (IGD)
protocol. By default UPnP is enabled.
Click Save Changes and then Write Settings to Flash to save
your UPnP setting to permanent memory.
ADSL X6v User Guide 118