Then it will send a signal to the controller to check the terms and conditions when sending to a buzzer to alert sound cause, and sent to a gsm phone to send incoming messages.
It then sends a signal to the controller to check the conditions. When conditions are right, to be sent to the buzzer sounding the alarm and sending it to gsm to send any inroads into the phone.
Then, the signal to controller to check the conditions when the condition is to be sent to buzzer to sounding alarm. And send it to GSM to transmit mobiles phone call