Planet Internet Telephony PBX System IPX-1900 User Manual page 50

Enable
WAN Port
Protocol
LAN IP
LAN Port
Action
Port Trigger
Some applications require multiple connections, such as Internet gaming, video conferencing, Internet
telephony and others. These applications have difficulties working through NAT (Network Address
Translation). If you need to run applications that require multiple connections, specify the port normally
associated with an application in the "Trigger Port" field, select the protocol type as TCP (Transmission
Control Protocol) or UDP (User DIP-PBXgram Protocol), then enter the public ports associated with the
trigger port to open them for inbound traffic.
Enable
Trigger Port
Figure 4-15. Virtual server mapping settings
Enable/Disable the virtual server mapping, default setting is Disable.
The port number on the WAN side that will be used to access the
virtual service. Enter the WAN Port number, e.g. enter 80 to
represent the Web (http server), or enter 25 to represent SMTP
(email server). Note: You can specify maximum 32 WAN Ports.
The protocol used for the virtual service. Select a protocol type is
TCP or UDP.
The server computer in the LAN network that will be providing the
virtual services. Enter the IP address of LAN.
The port number of the service used by the Private IP computer.
Enter the LAN port number.
Insert a new WAN port or update a specified WAN port.
Table 4-7. Virtual server mapping description
Figure 4-16. Port trigger settings
Enable/Disable the port trigger, default setting is Disable.
This is the port used to trigger the application. It can be either a single
port or a range of ports.
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