A microprocessor assembly is located on a daughterboard, which is configured to be physically and electrically coupled to a motherboard. In a preferred embodiment, the intrusion detection system is incorporated as part of a software wrapper. In addition, the resulted phone with security monitoring function has good characteristics of stealth and invisibility. The substrate can be a plurality of glass fibers that provides for a relatively high surface area for the layer to be attached to. In a case in which the fixing member is halted for a reason other than the fixing process while power of the fixing device is on, electric power is not supplied to the heat source and the fixing member is rotated by a predetermined amount or more after the fixing member is halted. The logic accesses the database to identify the subscriber and communication service that is uniquely associated with the particular alphanumeric code received as part of a given text-based message.