OpalFone is free software for making international calls at very cheap rates. It supports both PC-to-Phone calls as well as Phone-to-Phone Call. You just activate your account and load money and call to any country at very low rates. At Opalfone, you can find a wide array of profitable VoIP solutions, which would offer you the ultimate quality of VoIP calling facility at very economical rates and thus help you to grow saving your investments. OpalFone also offer you various solutions for enhancing your business strategies.