T-Mobile
GROUP PROJECT
BUSINESS DEFINITION
(1STPRESENTATION)
AMIR KHAN, DALIA BLANCO, EIKO TAKEMOTO
Feb 16, 2010
Business Overview
 T-Mobile is a mobile telephone operator
headquartered in Bonn, Germany. It is a
subsidiary of Deutsche Telekom. T-Mobile
has 120 million subscribers making it the
worlds sixth largest mobile phone service
provider globally.
Business Need
 To upgrade the database system
 To evaluate the worthiness of the customers by
running their credit application.
 Point-of-sale system for selling phones and
service plans
Business functionalities
Step 1: Evaluates Customer’s
Credit Status
Step 2: Selects Phone and
Service Plan
Step 3: Receives payment
Step 1: Customer’s credit status check
 The system evaluates customers’ eligibility to
contract with T-mobile services.
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Checks for existing account by social security number
Runs credit application.
Determines whether the deposit is required.
Displays number of lines approved
Step 1: Customer’s credit status check
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Inputs
Customer’s first name, last name, init. suffix
 Customer’s company (optional)
 Customer’s address
 Customer’s driver’s license number
 Customer’s social security number
 Customer’s date of birth
 Primary contact number
 4 digit Pin or Last 4 social
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Outputs
Existing customer found
 Deposit requires (if any)
 Display numbers of lines approved
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Step: 2: Phone Models and Service Plans
Selection of customer’s choice phone and plans
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Inputs
Check box from a list of phone models
 Check box from a list of service plans
 Selection of area code (281, 832, 409, etc.)
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Outputs
Confirmation of the customer’s selections
 Price of phone
 Price of monthly payment
 Price of deposit (if any)
 Tax and service fees
 Total payment

Step 3: Payment Information
 Option of receiving a payment through cash, check
or credit card
 Obtains new account number and phone number
once payment is received
 Creates a document with details of contract.
Step 3: Payment
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Inputs
Payment method (Cash, Check, Credit Card)
 Amount of payment
 Credit card number, expiration date and billing address
 A statement of agreement (check a box)
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Outputs
Amount of payment
 Confirmation of the payment received
 New account number
 Phone number

Special Issues / Constraints
 Meet the Deadline
 Staff Training
 Deployment Schedule
 Cost
Process Diagram
Client’s Information is
Inputted into the System
Client selects Phone & Plan
Type of Customer
Credit Review
•New Customer - Credit is
evaluated by Credit Bureau
•Bad Credit
•Requires Deposit & Only
Approved for 1 Line
•Good Credit
•No Deposit Required &
Approved for Lines
•Existing Customer - Previous
History is used to determine
number of lines
Payment Information
Client is provided with
Contract & Receipt
Questions?