A method of providing a service to a user equipment (UE) via a packet data network gateway (PDN GW), wherein the UE is served by a visited public land mobile network (V-PLMN) and wherein the UE has a subscription with a home public land mobile network (H-PLMN) comprising the steps of: providing, by a register in the H-PLMN, a H-PLMN-allowed indication, indicating whether a PDN GW in the H-PLMN is authorized to be selected for the UE for execution of the service, and providing, based on the H-PLMN-allowed indication, an indication to the UE, whether the UE can expect successful execution of the service.