If you are working using your home internet then you can skip this step.
If you are using the internet from your office, then you have to configure DreamTai so that it is able to go through the corporate firewall.
From the menu, select "Configure"=> "Firewall" option.
You will notice a small "Firewall Proxy Settings" window pop up
Get the values of the proxy Address and Port from your office System Administrator.
Enter the proxy Address and Port and check on the "Use a proxy Server" checkbox.
Click on "Save Settings" button.