GW softphone is a free application for iPhone, do you often international calling? Why do you paid expensive cost to the operators? GW softphone is for your VOIP calling into worldwide international destination with the cheaper price as you never expected as well as the good quality of voice you will get. Your IPhone need to be connected to Wi-Fi or 3G/4G internet then do your calling as normal practice by click GW softphone Icon ,then select the contact as normal, Make a phone call directly.
Therefore, your will have calling through destination with cheapest price by finger tips.
Configuring your credentials
1. From the springboard select Settings, scroll down and select GWBIZ from the list
2. Fill the Account ID and Password
3. Go to Application