If you place a lot of international calls, the ChatTime service may help you save money over Skype. You install a free application on your iPhone handset, purchase credit, and initially place the call from the application.
The application sets up the call for you, and then you use the standard iOS Phone app to call a local number to the ChatTime exchange. ChatTime negotiates the overseas portion of the call, and debits your account based on the type and destination of your call.
For example, a call to a UK cell phone costs roughly ten times as much as one to a land line. A ChatTime spokesman told us, "Rates