Present invention refers to a method and a system for an automatic traffic offloading in a wireless telecommunication network with both Self Organization Network (SON) and Access Network Discovery and Selection Function (ANDSF) capabilities. According to various embodiments of the invention, a user equipment collects some status information and send said information to a node of the network, where an optimization algorithm is applied and a decision for an offloading through a Wi-Fi access point in range of the UE is taken.