Dynamic IP Address –usr/config$ ifaddr –ipsharing 1
Note:
With Dynamic WAN IP Address, a Gatekeeper with a valid IP address for VoIP FXO gateway is a must. In other word, it is not workable in
IP Sharing device must have a function to do IP/Port mapping. Some is named as DMZ, some is named as virtual server. The VoIP messages from WAN have to completely pass forward to the LAN. It is said if the VoIP FXO gateway is assigned a virtual fixed IP Address such as 192.168.1.5, IP sharing device must forward the VoIP messages to 192.168.1.5.
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