A lot of companies, which are dealing in mobile phones, are making many different kinds of offers available to their customers. The kinds of promotional offers, which are being made by the mobile phone companies, are also dependent on the condition of the financial markets as well as the economy. The schemes have to be designed in such a manner that the customer is forced to spend his money despite the cash crunch. One such scheme is the twelve months free line rental, which will ensure the loyalty of the customer to one specific mobile phone company for a certain period of time.