Belkin ADSL2+ User Manual page 85

Appendixes Appendixes
UPnP
UPnP (Universal Plug-and-Play) is a technology that offers seamless
operation of voice messaging, video messaging, games, and other
applications that are UPnP-compliant. Some applications require the
Modem/Router's firewall to be configured in a specific way to operate
properly. This usually requires opening TCP and UDP ports and in
some instances setting trigger ports. An application that is
UPnP-compliant has the ability to communicate with the Modem/
Router, basically "telling" the Modem/Router which way it needs the
firewall configured. The Modem/Router ships with the UPnP feature
disabled. If you are using any applications that are UPnP-compliant,
and wish to take advantage of the UPnP features, you can enable the
UPnP feature. Simply select "Enable" in the "UPnP Enabling" section
of the "Utilities" page. Click "Apply Changes" to save the change.
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