A method and system for controlling services received by a visiting subscriber to a visited network associated with a visited service provider are disclosed. According to one aspect, a request for the visiting subscriber to receive at least one service from the visited network is received at a node of the visited network. In response to the request, the visited network retrieves a quality of service to be afforded the visiting subscriber for each of the at least one service. The visited network determines whether to provide at least one of the at least one service to the visiting subscriber based at least in part on the quality of service and a current network load.