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What is Roaming?
asked Aug 2, 2010 by triuser (1,765 points)

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In wireless telecommunications, roaming is a general term referring to the extension of connectivity service in a location that is different from the home location where the service was registered. Roaming ensures that the wireless device is kept connected to the network, without losing the connection. The term "roaming" originates from the GSM (Global System for Mobile Communications) sphere
answered Aug 12, 2010 by trianswer (22,754 points)
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When we talk about in general term roaming is referring to the extension of connectivity service in a location that is different from the home location where the service was registered or you can say using  cellular phone outside of  carriers limited service area or Home calling area is known as roaming.
answered Aug 12, 2010 by trianswer (22,754 points)