2.1.7. Virtual Server
If you want to access any device behind LAN of VOI-9200 IP PBX from WAN, you
need to select System
→
Virtual Server to configure port mappings. In virtual server
page, Service ID names the service; Protocol and Port specify the TCP or UDP port
number(s) on WAN IP which will be forwarded to the Forward to port of Forward to IP
in LAN. For example, 192.168.1.5 is a mail server to be seen from outside, one
should configure TCP port 25 to be forwarded to 192.168.1.5 port 25. In other words,
if the WAN IP of VOI-9200 is 192.168.0.1, you can type
http://192.168.0.1:25
in your
browser to access the mail server of which IP is 192.168.1.5.
