If you don't know what Port Forwarding is yet, you might want to start by reading our What is Port Forwarding guide.
You might also be interested in our huge collection of Router Screenshots where you can see every page of every router that we know of.
To setup port forwarding on the Trendnet TW100-S4W1CA router your computer needs to have a static IP address. You should complete one of the following steps first:
Now that you have setup a Static IP Address on your computer, please enter the IP address that you assigned to your computer here:
Now we need to know your routers IP address. You can find it a variety of ways.
It's ok if you don't know your Trendnet TW100-S4W1CA router's internal IP address. You can find it by doing one of the following:
Open a web browser like Internet Explorer or Firefox. Enter the internal IP address of your router in the address bar of your browser.
In the picture above the address bar has http://www.google.com in it. Just replace all of that with the internal IP address of your Trendnet TW100-S4W1CA router. By default the IP address should be set to 192.168.1.254.
You should see a box prompting you for your username and password. Enter your username and password now.
Click the Ok button to log in to your Trendnet TW100-S4W1CA router.
Please visit our Default Trendnet Router Passwords page if the username and password shown below did not work for you.
If you can't login to your router because you forgot your Trendnet TW100-S4W1CA router username and password, use our How to Reset a Router Password guide to set your Trendnet TW100-S4W1CA router back to its factory settings.
If you are having trouble with this guide, then perhaps PFConfig may be your solution. PFConfig is a software tool that will automatically forward ports for your Trendnet TW100-S4W1CA router to save you time and hassle.
Now that you are logged in to your Trendnet TW100-S4W1CA router you should see the following:
Click the Advanced Setup button near the top of the page.
Click the Virtual Server link near the top of the page.
We will list a series of lines here that will show you exactly how to forward the ports you need to forward. 3CX requires you to forward the 5060,5090,9000-9015 ports. Go ahead and enter the settings shown above into the Virtual Server menu and then click Add.
| Method | By NameBy Port |
| Application(Port) | |
| Port Type | TCPUDP |
| Single/Range | SingleRange |
| Port Number | to |
| Local Server IP Address |
You should see another page of settings that need to be entered into one of the blank lines on your routers Virtual Server page. Go ahead and enter those settings and then click Add.
| Method | By NameBy Port |
| Application(Port) | |
| Port Type | TCPUDP |
| Single/Range | SingleRange |
| Port Number | to |
| Local Server IP Address |
You should see another page of settings that need to be entered into one of the blank lines on your routers Virtual Server page. Go ahead and enter those settings and then click Add.
| Method | By NameBy Port |
| Application(Port) | |
| Port Type | TCPUDP |
| Single/Range | SingleRange |
| Port Number | to |
| Local Server IP Address |
You should see another page of settings that need to be entered into one of the blank lines on your routers Virtual Server page. Go ahead and enter those settings and then click Add.
| Method | By NameBy Port |
| Application(Port) | |
| Port Type | TCPUDP |
| Single/Range | SingleRange |
| Port Number | to |
| Local Server IP Address |
And that is it! You are done!
Now that you have forwarded ports for 3CX on the Trendnet TW100-S4W1CA you should test to see if your ports are forwarded correctly.
To test if your port has been properly forwarded, you can use our Open Port Check tool. Our Open Port Check tool is the only online port checking tool with Guaranteed Results.
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