When attempting to activate a Dolphin product over the Internet, you receive an 'Extended Error' message, and the product fails to activate

You attempt to perform an Internet activation of a Dolphin product, but an error code number is displayed referencing an “Extended Error”.

This may occur if you are behind a corporate firewall which is blocking our activation system access to the Internet. Please contact the Dolphin Sales team on 01905 754 577, or your local Dolphin Dealer, to request a manual activation code.