The goal is to simplify VoIP (Voice over Internet Protocol) to the point where almost anyone can use it. Once subscribed, the only setup needed is plugging the adapter into a USB port and any analog phone into the adapter: the device automatically installs and configures itself within a minute and is ready to use from then onwards. As with most voice over IP, the advantage is low-cost calling. Reaching other MagicJack users is free regardless of where they live, but differs from Skype in pricing. Instead of charging for every call to a real-world number, a $19.95 subscription per year is all you pay. Note: Your first year of service is included in the purchase of a MagicJack!