Method of remotely controlling an external appliance by a mobile radio phone system providing short message service

摘要

A method for remotely controlling an external appliance via a mobile terminal in a mobile radio system supporting a short message service (SMS) which comprises the steps of periodically converting the status data of the external appliance into a short message in a predetermined form, transmitting the converted short message to the mobile terminal, setting the mobile phone in a short message transmission mode to transmit the converted short message to a designated message center, converting the received short message by the message center into the corresponding state data which is transmitted to an external appliance monitoring center, analyzing the state data of the short message by the monitoring center to produce a control command which is transmitted to the message center, converting the received control command by the message center into the corresponding short message which is transmitted to the mobile phone, transmitting the converted short message of the control command by the mobile terminal to the external appliance, and controlling the external appliance in accordance with the received short message of the control command.