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ABSTRACT
Booking an LPG cylinder is now just a text message away. Petroleum companies have launched the customer-friendly service for their customers in Kerala. Union Minister of State for Petroleum Jitin Prasada launched the service in Kochi on Friday. Bharat Gas and Indane Gas customers in the state can avail themselves of the service in the first phase. The service, which was launched in Delhi on August 31, is being expanded to all metros and state capitals in phases by the end of the year. For Vodafone, Idea, Tata and Airtel, the number for booking LPG from Indian Oil is 54625 and the number for Bharat Petroleum is 52725 The number is 57333 for all the other telephone service users. For booking a cylinder via SMS, the customer has to register the mobile number with the distributor. The registration is to be done only once and the customer can register two mobile numbers against each LPG connection. The SMS format for registration for Bharat Gas customers is REG <space> Distributor Code <space> Consumer Number. An IOC customer has to type the distributor’s phone number instead of the SAP CODE. A customer cans also a register a mobile number by visiting the distributor or by conveying his mobile number over the phone to the distributor. Once registered, the customer receives a confirmation on his mobile. Once registered, an LPG cylinder can be booked by simply typing LPG and sending this SMS from a registered phone to a fivedigit number of the respective company.
LITERATURE REVIEW
Currently, an individual in the society has to request for various services either on paper or by making a trip to the service provider, which inherently adds sluggishness and unaccountability to the system. This led to the wastage of consumers’ time and may lead to unnecessary delays. Moreover, there do not exist any proper centralized system in most of the common usage services via which the user can be informed, whether his request has been serviced or not. An example of such services is the domestic gas booking system. The motivation of the project is to develop a system that can be used to automate various processes involved in addressing the service requests of different users, making it more accountable and easily accessible. It should enable the end users to request for services easily and without wasting much of his time. It should also enable the service provider to view all such requests and to notify the users when their requests are met. Additionally, the system should be usable even in remote areas apart from urban and rural areas making it easy accessible and reliable. The system should also be able to serve illiterate masses across the country. The system should be affordable & flexible enough so that it can be easily scaled and deployed at various places.
The server processes this information and stores it in a database. The server also hosts a website that enables the service provider to view these requests from any computer that is connected to the internet.
Our service nodes are easy to use and can be used even by illiterate masses. Users don’t need to enter any information manually as all the required information is stored on their tag.
Additionally, for literate users our system offers three other methods of requesting services. Firstly, they can use the website hosted on the server to book their requests. They can use this from any computer connected to the internet. They can also use this to check the status of the requests he made earlier. Secondly, they can register requests by sending SMS to the GSM module connected to the server. Lastly, they can make a request by making a telephone call. The call is handled by the server using an Interactive Voice Response System.
The last three methods have the added advantage that the user doesn’t need to physically make a trip to the service node.
We have decided to use SMS for communication between the service node and the server in the absence of LAN as GSM coverage is easily available throughout India. We require two GSM modules, one at the server end and the other at the service node. Each module has a RS232 interface and accepts a Subscriber Identity Module (SIM) card which stores the subscription information and the text messages.
Various commands are given to the GSM modules using AT commands (also known as Hayes AT commands). AT commands can be used for operations like calling a number, sending, reading, or deleting an SMS, looking, reading and deleting phonebook data, reading the signal strength, and so on.
At the service node end, when the controller receives some information from the RFID reader, it composes an SMS and asks (using necessary AT commands) the GSM module to send it to the GSM module connected to server. When the SMS arrives at that GSM module it is stored in the SIM card memory and the server is informed of its arrival. A program running on the server accesses this message and stores the necessary data in the database.
Additionally, users can also make service requests by directly sending SMS to the GSM module connected to the server.
Interactive Voice Response System:
Interactive Voice Response (IVR) is an interactive telephony technology that allows a computer (integrated with telephone line) to detect voice and keypad inputs entered by the user. It is also capable of responding with pre-recorded or dynamically generated audio to further direct users on how to proceed depending upon the inputs from the user.
IVR systems generally use Dual Tone Multi Frequency (DTMF) signals (entered from the telephone keypad) and natural language speech recognition to interpret the caller's response to voice prompts.
In the NSRS system an IVR system is run on the server that is capable of taking requests from the users and storing them in the database.
We also included another microcontroller on the board that is used to program the other two microcontrollers