With a cell phone penetration rate estimated at 47% by the Post and Telecommunications Regulatory Authority of Congo. A growth of 1% compared to the previous one. This penetration rate could have been much better if the coup de grace had not been brought to the telecom sector. It was added a fee causing turpitude in the heart of Congolese consumers, whose basis deserved a careful study to know the contour. Its contour, that is to say the legislation which supports it, well beyond a presentation of the existing solutions in the world and the way to avoid a burden on the final consumer.The RAM tax or fee or payment for services is the thorn that hurts, hence the existence of this document that presents it.