Now a days with the growth of technology mankind is looking to automate the Process of handling Machines. http://goo.gl/NvSSk0
This process can be achieved with the help of Bulk SMS Service and Short/Long Code services. These are also called As MO & MT
To achieve this one has to configure Transactional SMS & Short/Long code in their system with coding.
For Ex: consider on equipment is functioning malfunction. Now as per coding in which transactional messaging service is configured it will trigger message to the switching system where it will receive the message.
In the message received, it will be receiving the nature of fault. As per the configuration done how to react for that fault the same command will be triggered as reply.
The machine will receive the reply and take the commands from that and acted accordingly.