AN IMPROVED MODEL FOR KEY PERFORMANCE INDICATORS ANALYSIS FOR MOBILE NUMBER PORTABILITY SCHEME FOR GSM SUBSCRIBERS IN NIGERIA
ABSTRACT In Nigeria today it been observed that when changing from one GSM network operators to the other, customers has to give up their old numbers and adopt a new one. As a result, they face switching costs associated with informing people about changing their number, printing new business cards, missing valuable calls from people that do not have the new number, etc. In this research the Key Performance Indicatiors ...
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