A method and a user equipment (105) includes a communication device adapted to attempt to access a mobile telecommunications network (107) and to receive from the network (107) information about the presence of access restrictions to the network (107); the equipment (105) also includes an access management module (106) configured for determining, in the presence of access restrictions to the network (107), a wait time (Tbarring) that must elapse, at the least, between successive verifications of the possibility of accessing the network (107), wherein the wait time (Tbarring) is determined at least on the basis of the result of at least one previous attempt to access the network (107) by the user equipment (105).