Really new to QT and Symbian, just compiled the broadcast send and receive examples. I cannot get either to work on the phone but can get it to work in the emulator. The send returns -1.
myHardwareAddress = myInterface.hardwareAddress();
Returns an empty string.
A long long time ago, (not on a far distant planet), using carbide I think it was capabilities and NetworkService that was required but I cannot fathom whether this is the case to QT.