the invention comprises methods and arrangements for policy decision point discovery in a roaming or handover scenario in an ip network comprising a plurality of network elements . the invention comprises methods and arrangement in an user equipment for receiving the address of the serving policy decision point and sending to the home agent a registration request comprising the local ip address of the user equipment so that the home agent can register the local ip address . the registration request will also comprise the address of the serving policy decision point so that the home agent can forward the address of the serving policy decision point to the anchor policy decision point and so that the anchor policy decision point can contact the serving policy decision point by using said address of the serving policy decision point .