ABSTRACT
The application of computer in various fields has eased a lot of problems encountered in the use of manual system in the various disciplines of life, including productions. In terms of billing system for GSM operators.
It is as measure towards addressing this issue that this project is primarily designed to come out with the automated billing system that will get rid of all the shortfalls.
In this project, the researcher have analyzed the manual system and also identified some of the problems and limitation, which seems to hinder the realization of the goals of the existing system.
With regard to this, the researcher has designed a billing system to help in minimizing some of the problems inherent in the manual system. To bring the subject matter to pictorial form for the user to appreciate more, flowchart and flow diagrams are to be seen in sequent chapters.
More so, this write-up is mainly to introduce the reader to what main frame can do especially in telephone billing system using Vmobile Nigeria PLC, as a case study.

ORGANIZATION OF WORK

It is a measure towards addressing this situation that this project is primarily designed to come out an automated GSM billing system that get rid of all the shortfalls. On the former billing system.
The project is made up of seven chapters. Chapter one deals with introduction, the statement of the problem, purpose of study, aims and objectives, scope of study, limitation, assumption and definition of terms. Chapter two describes how to review the related literature. The third chapter discusses the description and analysis of the existing system, its methods encountered and their objective etc. chapter four explains the design of the new system and its specification etc. chapter five explains the method of system implementation. Chapter six discusses the Documentation of the system. Chapter seven is the recommendation and conclusion.

TABLE OF CONTENTS

TITLE
CERTIFICATION
DEDICATION
ACKNOWLEDGE
ABSTRACT
ORGANIZATION OF WORK
TABLE OF CONTENTS

CHAPTER ONE

1.0     INTRODUCTION                                                                            1
1.1     STATEMENT OF THE PROBLEM                                                 2
1.2     PURPOSE OF STUDY                                                                              3
1.3     AIMS AND OBJECTIVES                                                               4
1.4     SCOPE OF STUDY                                                                         5
1.5     LIMITATIONS                                                                                 5
1.6     ASSUMPTION                                                                                 6
1.7            DEFINITION                                                                                    7

CHAPTER TWO
2.0     LITERATURE REVIEW                                                                  10

CHAPTER THREE
3.0     DESCRIPTION AND ANALYSIS OF EXISTING SYSTEM                   19
3.1     FACT FINDING AND METHOD USED                                         19
3.2     ORGANIZATIONAL STRUCTURE                                                         21
3.3     OBJECTIVE OF THE EXISTING SYSTEM                                   23
3.4     INPUT, PROCESS, OUTPUT ANALYSIS                                               23
3.5     INFORMATION FLOW PROCESS                                                          24
3.6     INFORMATION FLOW DIAGRAM                                                         26
3.7     PROBLEMS OF THE EXISTING SYSTEM                                   26
3.8     JUSTIFICATION FOR A NEW SYSTEM                                                27

CHAPTER FOUR
4.0     DESIGN OF THE NEW SYSTEM                                                   31
4.1     OUTPUT SPECIFICATION AND DESIGN                                    32
4.2     INPUT SPECIFICATION AND DESIGN                                        33
4.3     FILE DESIGN                                                                                  34
4.4     METHOD OF ACCESSING FILES                                                           35
4.5     SYSTEM REQUIREMENT                                                             35
4.6     PROGRAM FLOWCHART                                                             38
4.7     SYSTEM FLOWCHART                                                                 39

CHAPTER FIVE
5.0     IMPLEMENTATION                                                                       40
5.1     PROGRAM DESIGN                                                                       42
5.2     FLOWCHART                                                                                  42
5.3     PROGRAM FLOWCHART                                                             44
CHAPTER SIX
DOCUMENTATION                                                                                 52

CHAPTER SEVEN
7.0     RECOMMENDATION AND CONCLUSION                                 53
7.1     RECOMMENDATION                                                                              53
7.2     CONCLUSION                                                                                 53

REFERENCES 55

CHAPTER ONE

1.0     INTRODUCTION
          The utmost speed at which the Universe is being turned into a global world is attributed to the sophisticated in the development of the telecommunication industry. These radical changes have been made possible by the invention of digital technology in electronics and telecommunication analogue. This means that the signal been handled, processed or transmitted are presented by voltages whose amplitude and frequency vary. Continuously with time.
Consequently, in the telephone system, the transmitted signals are direct representation of the speech waveforms. This did not sound waves in the system.
This project is aimed at developing a system that will help in the billing section of Vmobile to enable it to serve its customer effectively. Also, able to bill them accurately and also give the customers detail of how they are been billed either in PMB or PSB.
The PMB is the old order by which the network operator bills you for a minute when your calls lasted for a few seconds, these rounds up your call cost to the next minute white the PSB is the current order that gives subscribers the opportunity to pay for the exact call duration.
Today, most Vmobile products like Vecgo, Vstep, Vbusinss and Bumpa come with the PsB Option. Infact, Veego, Vstep and BUMPa now have PsB option as default.
Although the billing processing system has been in existence in many organizations though in a traditional approach and in anticipation.
Introducing the computer system will greatly improve materials requirement planning in the following aspects:
1.       Reliability
2.       Variability
3.       Accuracy
4.       Appropriate storage of data
5.       Timeliness

1.1     STATEMENT OF THE PROBLEM
The quest for a more sophisticated and effective system that can handle the GSM bills of the customers in telecommunication companies has led the researcher to the designing and development of a software to handle the GSM billing system of customers in Vmobile Nigeria Plc.
In our society today, if we take a close look at NEPA, NITEL etc. we will discover their billing systems that was formally manual, has been computerized, because most times, many telephone subscribers do complain of excessive billing and this has often be traced to the carelessness or otherwise on the part of the staff that prepare the bills and yet still collect their revenue. In these GSM Billing system the design will look at your balance before allowing the customers to make call. The calls is been checked by both parties and at the end both of them are been certified of every transaction.

1.2     PURPOSE OF STUDY
          The purpose which this project work is carried out is to identify and eliminate all the drawback that are encountered in the manual techniques through the introduction of computers to carry out basic clerical duties. By computerizing call billing system, this operation will become easy to reach prospective customers scattered all over the nation.
Another purpose of this project work is to ensure accuracy in the daily operations or activities. Again, file and other documents are protected from non – authorized user and from environment hazards.

1.3     AIMS AND OBJECTIVES
The aim of the researcher is to set an all round criteria for GSM operators especially Vmobile Nigeria Plc. If the new system is well utilized, the great organisation must surely achieve greater heights.
The objective of the study is critically looked into existing billing system with a view of locating any loop hold and subsequently design a system that integrate the existing one and which should be suitable for use in the Vmobile Nigeria Plc. The new system will be able to take care of the most of the problem experienced with the system already in place. Also this project will evaluate the perceived notion of this type of GSM operator. The researcher intends to design and stimulate a software that will depict the billing system as regards Vmobile Nigeria Plc.

1.4     SCOPE OF STUDY
          The system is intended to take care of every aspect that relates to the control and operation of the GSM billing system for Vmobile Nigeria Plc. The final information provided will be used for improved customers services, financial control and operation. This reports so far should be generated at a regular and continuous manner as not to mis-lead the company and the subscribers.
The report will delve into the existing system of Vmobile with the view of finding out their usefulness and short comings and this should be made to find a suitable approach to accomplished the desired goal.

1.5     LIMITATION
          There are number of factors which complied the researcher to limit her studies in Vmobile Nigeria Plc amidst numerous communication companies.
These factors include the following:
(a)     Lack of finance for transportation to the case study and library.
(b)     Unwillingness of the staff in Vmobile Nigeria Plc to give the researcher enough information.
(c)      Lack of time due to the short semester and moreover other m examination.
(d)     Lack of sophisticated telecommunication books.
Further more, the same constraints made for the enhancement of the intended new system.

1.6     ASSUMPTION
The researcher made the following assumptions:-
(a)     She assume that the staff in the billing or account department of Vmobile Nigeria Plc for which the program is basically designed are computer literate and therefore could conveniently operate the system when implemented.
(b)     She assumes that the management will give the new system the support and supervision and effectively.
(c)      Finally, the assumption is made that at the cumber some task of retrieving and updating records in packs of books would be eliminate and easy process of retrieving, updating and searching for the bills as it affects Vmobile Nigeria Plc would have been adequately taken are of.
1.7     DEFINITION OF TERMS
          GSM:- This means Global system for mobile communications as defined in the European Technical standards institute of specifications.
Vmobile:- This means Victory mobile communication Nigeria Plc where V stands for Victory.
Veego:- This is Vmobile pre-paid packages for phone users who want total control of their call costs as the user only pays for air time whenever they need to make a call.
Vstep:- This is also pre-paid packages offering basically the same freedom as veego but with added advantages. It helps those who make a lot of calls reduce their tariff as they make more calls within a 30 day time period.
BILL: These are changes made to subscribers on using the GSM line.
BUMPA CARD: This is a value card which gives bumpa airtime discounts to its user.
PMB: This is per minute Billing which enables the operators to bill the subscribers for a full minute (60 sees) even when they spent a few or lesser seconds on the phone.
PSB: This is per seconds Billing. It give the subscribers the opportunity to pay for the exact call duration
ICC: This means international card configuration being an identity humber unique to each SIM CARD by the manufacturer of such SIM card.
MSISDN: This means the mobile subscriber International Directory Number (otherwise known as the mobile telephone number) programmed into each SIM card.
PACK OR KIT: Means the package containing an information sheet describing the network services and SIM card which the subscriber will receive upon purchasing terminal Equipment or a SIM card.

TERMINAL EQUIPMENT: Means terminal and accessories thereto which are used by the subscriber to send and or / receive messages Via the network (commonly referred to as a cell phone).
SIM CARD: This is a subscriber Identification module (incorporating as ICC and MSISDN) which when activated by Vmobile and used in conjunction with compatible Terminal Equipment enables the subscriber to operate such terminal Equipment on the network.
AIRTIME:- Means the refill voucher/card credits to a subscriber based on the applicable all charge.
DESIGN: This is creating task of constructing figures that should represent a real event or action.
WAP: This is short for wireless application protocol and it is a secure specification that allows users to access information instantly Via hand wireless devices such as mobile phones, pagers, two – way radios, smart- phone and communications.

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Thursday, 23 February 2017

DESIGN AND SIMULATION OF A BILLING SYSTEM FOR GSM OPERATOR

CHAPTER ONE

REFERENCES 55

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