SYSTEM AND METHOD FOR PROVIDING PREPAID TELECOMMUNICATION SERVICES
The present invention relates to a system and method for providing prepaid telecommunication services. More particularly, prepaid telephone calls can be made by users without entering any access code, if such calls are made from telephone numbers previously registered in the telecommunication system...
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
13.03.2008
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Subjects | |
Online Access | Get full text |
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