The invention provides for a method of initiating inter-frequency measurements within a mobile radio communications device and including the step of inspecting by way of a network the load state of the cell in which the mobile radio communications device is located, and further including the step of paging the mobile radio communications device with a Paging Type 1 message indicating that the mobile radio communications device can perform inter-frequency measurement on the cells identified within SIB before responding to the paging signal.