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Mobile number portability is one of the major developments in the past twelve years of telecommunication industry. Introduction of this technology enabled consumer to switch from one service provider to other service provider without changing their mobile numbers. However, beside being successful implementation, mobile number portability has caused the loss of carrier identity which ultimately gives rise to tariff transparency issue. Since consumers will not be able to identify the called party network and hence they will be charged against their expectation which can become the cause of consumer's dissatisfaction towards their service provider.
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