2. A method as in claim 1 , further comprising: at the cloud telephone service, receiving the audio voice command from the human operator via a telephone connection; converting the audio voice command to the system command; and transmitting the system command to the human-machine interface telephone gateway.
2. A method as in claim 1 , further comprising: at the cloud telephone service, receiving the audio voice command from the human operator via a telephone connection; converting the audio voice command to the system command; and transmitting the system command to the human-machine interface telephone gateway. 3. A method as in claim 2 , further comprising: at the cloud telephone service, receiving from the human-machine interface telephone gateway the text for conversion to an audio message; converting the text for conversion to an audio message to the audio message reporting the value to the human operator; and transmitting the audio message to the human operator.