Installation guide

MyPBX U5XX Administrator's Guide
www.yeastar.comPage162
FigureD-2 MyPBX Network setting
2. If MyPBX has a public IP, (i.e. is connected directly to your internet service
provider), the network settings should be configured according to Figure
C-3:
FigureD-3
Now, MyPBX has been configured as a public IP, so there is no need to
configure NAT again, just leave all settings in „NAT‟ blank.