20In its judgment in Case C-109/03 KPN Teleocm [2004] ECR I-11273, the Court held, inter alia, that the amounts charged by operators offering fixed telephone services for making available ‘relevant information’ on subscribers should not include the internal costs of assembling, compiling and updating the operator’s own subscriber data. The Number and Conduit Enterprises challenged the amounts charged by BT for use of its OSIS database, relying on that judgment in support of their action.
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