A method is provided of providing to a mobile user terminal (16) a set of measurement reporting criteria to be applied by the mobile user terminal) in respect of a predetermined cell (14) of a radio telecommunications network. The network comprises a plurality of cells (14) and a controller (10,20). The method comprises the controller selecting the set of criteria from stored sets of criteria, one set of which is a default set (34,34',34") for all cells under the control of the controller, and another set of which is a cell-specific set (36,36',36") of criteria.