SMC Networks AR4505GW - Manual (Page 70)

C
ONFIGURING THE
ADSL R
OUTER
4-32
Special Applications
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.