A device performs a method in an industrial control and automation system. The method includes receiving a command audio signal generated by a verbal command, wherein the command audio signal includes one or more instructions. The method also includes transmitting one or more command signals to a controller to implement the one or more instructions. The method further includes receiving one or more update signals from the controller, wherein the one or more update signals are based on at least one of a parameter measured by one or more sensors or a status of one or more actuators. The method includes transmitting the one or more update signals for speech output.