Using original iPhone overseas
I have an American original iPhone purchased from the Apple Store so it unlocked. I am in Australia and purchased an Ausie sim card for phone service. When I try to call the number to activate it I get on the screen an icon of a USB plug and iTunes. I assume it is asking me to synch to my computer's iTunes but I did not bring my computer. Is there a way to make this phone work here?
Original iPhone, Mac OS X (10.5.6)