IP-Cam JW0004 User Manual page 22

Make sure the "Subnet Mask", "Gateway", "DNS Server" is the same as your router.
2: Port Forwarding in the router.
This is the most important step. Set port forwarding in router refer to the IP of your camera
correctly, then the DDNS will work. Because there are so many kinds of routers from all over
the world, so it's difficult to show a fix steps, but there are some samples of different routers'
port forwarding settings as below, just for reference:
TP-LINK:
(1) Login the router. For example:http://192.168.1.1, this is your gateway.
(2) Choose "Forwarding", select "Virtual Servers"
(3) Click the Add New button, pop-up below:
Figure 3.17
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