US Patent 7421270 Method of remotely changing operating characteristics of a communications device

The present invention relates to a method of remotely changing operating characteristics of a communications device selected for signaling an incoming message or cal to a user. To allow signaling an urgent incoming message or call to a user even if the device to be called is in a mute state, the method comprises the steps of: transmitting control data from a calling device (MS1) to a device (MS2) to called; changing a group of operating characteristics of the device (MS2) to be called in accordance with the transmitted control data; and signaling an incoming message or call in accordance with the operating characteristics set up in the previous step.