data services / retail level / Fraud management / retail services / regulated retail roaming services / electronic communications networks / unsupported services / roaming data services / the roaming services / local data services / access network / electronic communications / to other services / active local data roaming services / regulated roaming services / data roaming services / roaming services / real time / to “regulated” roaming services / related support services / terrestrial public mobile communication network / retail roaming services / i.e. data roaming services / host mobile network operator / chosen network / public communication network / decoupling services / local data roaming services / using local data roaming services / i . e .ii . e ..i . e .ei . e ..i . e . i . e .di . e .ai . e .ti . e .ai . e . i . e .ri . e .oi . e .ai . e .mi . e .ii . e .ni . e .gi . e . i . e .si . e .ei . e .ri . e .vi . e .ii . e .ci . e .ei . e .si . e . / /