MagicJack Error 3 ( Error Code 3 ) How To Fix this Error? On your softphone, kindly follow these steps: 1 – Click “Menu” on the top right-hand corner 2 – Click “Advanced Users“ 3 – Click “Restart“ MagicJack Error 3 In case your magicJack is connected to your router or modem, you have to unplug it from the power source, sit tight for 30 seconds, and fitting it back in. In case that does not work: <Needs some technical understanding. Here’s the explanation.> Mercifully open up the port UDP on ALL firewalls and your switch, on the off chance that you have one. (Router ports can be opened through the web application relevant to your router). Begin your magicJack again by following the headings above. How to access Web Application for router 1 – Start > Run > Type in cmd > Press ENTER 2 – A command induce will open 3 – Type ipconfig > now press ENTER 4 – Make note / you need to write down the name of the default gateway and IP address 5 – Open your Internet Browser 6 – Now type in the default gateway IP (Example: 000.000.0.0) 7 – Type in appropriate credentials into your magicJack Account Search for “Port Forwarding” and Forward Port UDP for the IP address you situated previously.