Bsnl It Tool 2011

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04-May-2011 Bharat Sanchar Nigam Ltd..

IT TOOL USED IN BSNL

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04-May-2011 Bharat Sanchar Nigam Ltd.

Speed

Accuracy Flexibility

Storage Capacity and Volume

Data Processing

Database

Why Computerization ?

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Reduction in Paper Cost

Reduced Cost

Reduces the space requirement

Reduces manpower requirement

Increased ability to performcomputations

Management Information

Why Computerization ?

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Data?Data is raw material for data processing.

data relates to fact, event and transactions.

Information?Inform

ation

is data that has been processedin such a way as to be meaningful to theperson who receives it. it is any thing that iscommunicated.

Data Vs Information

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Initial Data Storage Methods

Data is represented in one or more flat files

Flat file is nothing but electronicrepresentation of cardboard file.

Every business group has its own set of files

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Disadvantages of Flat File Systems

No centralized control.

DataRedundancy

Data Inconsistency

Data can not be shared

Security issues Integrity can not be maintained

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Database Management Systems

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Database Management Systems

A system whose overall purpose is to

record and maintain information

A database is a repository for stored

data and programs to manipulate it.

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Advantages of DBMS Centralized control.

No DataRedundancy

Data Consistency

Data can be shared

Security can be enforced Integrity can be maintained

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Data Models A data model is a collection of concepts

for describing data, relations,constraints etc.

Types of Data Models : Hierarchical,Network and Relational Model

The relational model is the most widelyused model today

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Hierarchical DBMS Can not handle Many-Many relations

Can not reflect all real life situations

Anomalies in insert, delete andupdate operations.

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Network DBMS Data is represented by records and

pointers

Addresses Many-Many relations

Insert,delete,update operations possible

Complex i

ndesig

n

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What isRDBMS?

RDBMS stands for Relational DatabaseManagement System.

RDBMS is the basis for SQL, and for allmodern database systems like MS SQLServer, IBM DB2, Oracle, MySQL, andMicrosoft Access.

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What isRDBMS?

A Relational database management system (RDBMS) is a databasemanagement system (DBMS) that isbased on the relational model asintroduced by E. F. Codd.

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Relational DBMS

Based on Relational Mathematicsprinciples

Data is represented in terms of rowsand columns of a table

Easy to design

No anomalies for insert/delete/update

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What is Table? The data in RDBMS is stored in database

objects called tables.

Data is viewed as existing in two dimensionaltables known as relations

The table is a collection of related data

entries and it consists of columns and rows. A table is the most common and simplest

form of data storage in a relational database.

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Example of Customers dataID Name Age Address Salary

1 Ramesh 38 Vizag 5000

2 Srinivas 42 Banagalore 8000

3 Syam 40 Hyderabad 10000

4 Karthik 28 Vizag 4000

5 Kaushik 26 Vizag 4000

6 Sahit 22 Hyderabad 6000

7 Ashrit 26 Chennai 3000

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What is Field? Every table is broken up into smaller

entities called fields.

The fields in the CUSTOMERS tableconsist of ID, NAME, AGE, ADDRESSand SALARY .

A field is a column in a table that isdesigned to maintain specificinformation about every record in thetable.

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What is record, or row? A record, also called a row of data, is each

individual entry that exists in a table.

A Record is a horizontal entity in a table. For example there are 7 records in the

above CUSTOMERS table. Following is asingle row of data or record in theCUSTOMERS table:

1 Ramesh 38Vizag 5000

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What is a Column? A column is a vertical entity in a table

that contains all information associatedwith a specific field in a table.

For example, a column in theCUSTOMERS table is ADDRESS which

represents location description andwould consist of the following:

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What is a Column? Address

Vizag

Banagalore

Hyderabad

Vizag

Vizag

Hyderabad

Chennai

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Relational Terminology

Tuple (Row) Attribute (Column)Relation (Table)

Integrity Constraints

Primary KeyForeign Key

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Structured Query Language

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Structured Query Language DQL Data Query Language

DML Data Manipulation language

DCL Data Control Language

DDL Data Definition Language

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DQL Select

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DML Insert

Update

Delete

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DCL Commit

Rollback

Save point

Set transaction

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DDL Create

Alter

Drop

Truncate

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Integrity Constraints Primary key (PK)

Foreign Key (FK)

Unique key (UK)

Not Null

Check

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Data Types Character

Varchar2

Number

Date

BLOB BFILE

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BSNL IT Tool BSNL Working Environment

IT Tool used in BSNL

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Outdoor MDF Indoor Test Desk

CONTEXT DIAGRAM

COM

TRAFRS

System Administration

Commercial Section

Billing & Accounting

Potential Customer

Working Customer

Complaint Booking

Reports

Enquiries

Payments & Refunds

DQ and

Other

Enquiries

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DOTSOFT

DotSoft is the first integrated telecom software applicationin BSNL comprising of commercial, billing, accounting,fault repair service and directory enquiry services.

It has been conceptualised, designed and developedentirely by the core group of the Software DevelopmentCentre of the O/o CGMT, Andhra PradeshTelecommunications Circle, Hyderabad.

It is based on the latest software technologies running ona WAN and is the first of its kind in BSNL in the field of information technology.

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¤ First it was tested and implemented in Guntur SSA in 1997.

¤ It has been successfully implemented in 171 SSAs across thecountry. All the SSAs of Andhra Pradesh, Tamilnadu,Karnataka, Assam, Punjab, Chattisgarh and Gujarat Telecomcircles.

¤ Rest of SSAs are from states of Maharastra, MadhyaPradesh, Uttar Pradesh, Rajasthan, J&K and Haryana.

¤ It has been approved by the Telecom Commission for implementation all over India.

¤ Dotsoft ensures better customer satisfaction andtransparency in BSNL service.

DOTSOFT

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DoTSoFT is an enterprise wide telecom database system thatrevolutionizes the operation and supervision of customer services by enabling all the personnel to work online.

The central server contains the complete database to which allthe nodes anywhere in the district log in. The database isaccessed using application software residing in the nodes whichhave GUI interface.

¤ OS : Linux

¤ Front end : Forms 6i

¤ Back end Database : Oracle 9i

¤ Client Server Model ± 2 layer architecture

DOTSOFT

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Router

A Layer 3 (Network Layer of OSI Model) device

Enables transit of packets between two LAN's.

Traffic can be monitored, administered from the

Router.

Swtich

A Layer 2 (Data Link Layer of OSI Model) device. Enables transit of packets within a LAN.

Flow control / Error Detection / Signal amplification

of frames is done in the switch.

DOTSOFT - Network Elements

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Hub

A Layer 1 (Physical Layer of OSI Model) device

Enables transit of packets within a LAN.

The signal amplification is done.

The data from the data link layer is converted into

electrical signals and sends on physical media.

Modem For conversion of different protocols. For example

Ethernet to Serial Interface (PPP protocol).

DOTSOFT - Network Elements

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The nodes in the customer service centre service all the

subscriber requests which flow to the commercial and

accounts sections as the case may be.

After validation and approval from the the concerned

sections the work orders flow to the different field units

depending on the activity.

After the completion of the work orders the commercial

and billing data of the subscriber gets updated.

DOTSOFT

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Bill generation is absolutely easy and totally secure.

Payments are faster and completely hassle free for the

customer and the counter personnel because of the use

of bill scanners.

Revenue accounting and ledger reports are available

immediately at the end of the month.

The system can generate any kind of detailed as well as

statistical reports.

Online enquiry is available for supervision and queries.

CONCISE DESCRIPTION OF DOTSOFT

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DoTSoFT is one of the first steps towards the bold andultimate goal of E-Governance and paperless offices.

All the work is done online which results in excellent

customer service, non duplication of work, totalsupervision, complete transparency, better planning andwith a facility of instant reports.

Single window concept introduced for the first time.

Concept of request registration number introducedthrough which the status of the request can be trackedand inquired.

DOTSOFT

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Signature warehousing to be included for onlineverification purpose.

Instant electronic flow of data between the offices and

field units with facility to print wherever required.

Various intimation letters to subscribers automaticallygenerated.

Priority execution of advice notes.

Messaging system between CO and Field units.

Dotsoft mail system between all users.

DOTSOFT

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Complete history of subscriber¶s activities availableonline.

Details of subscriber records & requests, bills, demand

notes, wait list, payments and work orders availableonline.

Variable billing cycle, ISDN billing, Groupbilling(fortnightly, monthly ,bi-monthly).

Centrex,Corporate billing, PT billing and WLL billing.

NPC advice notes once completed online are billed in thenext schedule.

DOTSOFT

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Directory Enquiry shows the status at the moment of

enquiry. It can query on any of the subscriber¶s details in

part or in full.

Complete managerial supervision is possible about theactivities happening anywhere in the district.

Statistical data is generated to find out activity, usage

and payment patterns to facilitate better customer

service.

DOTSOFT

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Documents

Bsnl It Tool 2011