SMC Networks Barricade SMC7908VoWBRA User Manual page 76

C
ONFIGURING THE
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.
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V ADSL R
OICE OUTER