Sagem F@ST 1500WG - Manual (Page 77)

4 - Configuring the SAGEM F@st™ 1500 ADSL router
SAGEM F@st™ 1500 Reference Manual - 288053220-03
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4.7.3 Special Application
Some applications require multiple connections, such as Internet gaming, video-conferencing,
and Internet telephony.
These applications may not work when Network Address Translation (NAT) is enabled. If you
need to run applications that require multiple connections, use these pages to specify the
additional public ports to be opened for each application.