In wireless telecommunications, roaming's a general term that refers to the extending of connectivity service in a location that's different from the home location where the service was registered. The term "roaming" originates from the GSM (Global System for Mobile Communications) sphere; the term "roaming" can also be applied to the CDMA technology, see CDMA Roaming. Traditional GSM Roaming's defined (cf. GSM Association Permanent Reference Document AA.39) as the ability for a cellular custom… (More on Roaming)