
FXS H.323 VoIP Gateway User Manual
Step 1. The WAN IP Address obtained from ADSL has two kinds of methods.
Step 2. One is fixed IP Address, while user applies for one or more fixed IP Addresses.
Step 3. Another is dynamic IP Address while user applies for dial-up connection way. The
LAN IP Address of User’s PC can be set as DHCP client in order to gain a valid one.
Step 4. Another IP Address for Gateway must be set as an fixed one in order for that IP
Sharing device pass forwarding the relevant information from WAN to LAN. Besides, a
valid IP Address meets the IP Sharing device (LAN site) is the element.
Step 5. VoIP Gateway must enable the IP Sharing function for the fixed/dynamic WAN IP
Address.
Note:
With Dynamic WAN IP Address, a valid Gatekeeper for VoIP Gateway to get register
on is a must. In other word, it is not workable in Peer-to-Peer mode while dynamic WAN IP
Address.
Step 6. IP Sharing device must have a function to do IP/Port mapping. Some is named as DMZ,
some is named as virtual server whatever. The VoIP messages from WAN have to
completely pass forward to the LAN. It is said if the VoIP Gateway is assigned a virtual
fixed IP Address such as 192.168.1.5, IP Sharing device must forward the VoIP message to
192.168.1.5.
Step 7. Configuration the VoIP Gateway IP address for IP Sharing Mode. Click [Network
Interface] on the navigation panel. In the Network Interface screen, enter the IP address,
Subnet mask and the default gateway in the network table. Please follow up your IP Sharing
device
Step 8. Enable the IP sharing function and put the static IP address in the IP Sharing server
address (e.g. 210.59.163.198) and click the OK button.
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