1. A method of operating at least a first and a second mobile telecommunications network connected through at least one common node, the second network radio access being uncoordinated with the first network radio access, a multi-mode mobile terminal being in radio communication with the first mobile telecommunications network, the method comprising the steps of: the mobile terminal scanning a frequency spectrum and identifying at least a potential radio access network; the mobile terminal communicating a report of the results of the scan to the first network, the mobile terminal sending a message to the first telecommunications network with a request for specific mobile telecommunications service, the first network deciding in response to the report and the request which of the radio networks detected by the scan of the mobile terminal is suitable for the requested service, and the first radio network requesting the common node to redirect at least a part of the communication to the second network.