Abstract: The invention relates to a policy translator for a telecommunication network. The system includes an interface between the policy translator and a policy repository storing existing policies for one or more telecommunication networks, an interface between the policy translator and one or more gateways over which interface the policy translator can receive from a gateway a request for a policy check (naming a source and destination network, the user and the service requested) and over which interface the policy translator can send a response after evaluating the request (“Permit”, “Permit, but Modify” or “Deny”), an interface between the policy translator and a subscriber database of a telecommunication network, an interface between the policy translator and a charging element for exchanging charging related information.