Cut throat competition in every walk of life has also not left Communication Sector untouched with its severeness. Thus, increasing number of Mobile Phone users have compelled network providers to allure customers with cheaper international call rates. Moreover, the concept of 'Global Village' has become so prevalent in today's scenario. Societies around the world are coming closer to each other after breaking the existing barriers which are coming in front of them. Today, every individual has the will of becoming a world citizen and wants to grow globally. In this, process many people have to travel long distances internationally to meet their business and professional requirements. As a consequence, leaving near and dear ones is a painful event. These people always miss their relatives, friends & well wishers and the lack of communication results in frustration and depression. Also, these migrants from their native places have to compromise on making frequent calls to their well ...
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