Method and device, respectively, for determining which one of the owners of a shared radio network that a visiting mobile terminal (MT), which MT is not subscribed to any of the owners of said shared radio network, is going to be connected to, by deriving information from the visiting MT concerning its identity. The method and device, respectively, is characterized in that said information is used in said shared radio network for determining which one of said owners said visiting MT is going to be connected to.