Telecom Analytics – by Arindam Guptaray

Few words about me . . .

• B. TECH FROM IIT KHARAGPUR.

• MBA (FINANCE) FROM UNIV. OF MINNESOTA, CARLSON SCHOOL.

• HAVE WORKED IN ANALYTICS FOR 10 + YEARS

• 7 YEARS OF TELECOM ANALYTICS WITH PROVIDERS LIKE:

• AIRTEL

• IDEA

• TELEFONICA

• ETISALAT

• HAVE WORKED IN SPEND ANALYTICS FOR 3 YEARS

Email: guptaray@yahoo.comLinkedIn: http://www.linkedin.com/in/agriit

Few words about You!. . .

• Name

• Background – Engineering, Arts, Commerce

• Work Experience

• Stream – Analytics, MBA

• Expectations from the program

• Expectations from this Class

Agenda

DATE TOPICS

21st Jan

• STUDENT INTRODUCTIONS

• ANALYTICS: WHAT DOES IT MEAN

• WHY TELECOM ANALYTICS

• DATA SOURCES FOR TELECOM ANALYTICS

• ASSIGNMENT (20 MARKS)

29th Jan• STUDENT PRESENTATIONS

• TELECOM FRAUD ANALYTICS

3rd Feb

• TELECOM CHURN ANALYTICS

• TELECOM CAMPAIGN ANALYTICS

• PROJECT (40 MARKS) (R, MATLAB, SAS, etc.)

What is Analytics . . .

What is Analytics . . .

“Not everything that can be counted counts, and not everything that counts can be counted.”

- Albert Einstein

“Analytics is like the Game of Bridge. You can learn the rules of Bridge from a text book but when you

are actually playing, it’s a totally different ball game.”

- Arindam Guptaray

• Analytics can be Deterministic or Probabilistic.

• In real life you will never get clean data.

• An analyst should be able to tell you something about your data that you don’t know.

• A great analyst will be able to answer the follow up question:

“So what?”

Must have skills in Analytics . . .

• ABILITY TO DREAM IN EXCEL

• TALK IN STATISTICS

• WALK IN POWER POINT

• KNOW HOW TO VISUALIZE THE DATA

• FALL IN LOVE WITH DATA WAREHOUSING, DATA MINING

• PLAY WITH DATA USING SQL, R, MATLAB

• THE MOST IMPORTANT SKILL => STRONG ANALYSIS

CAPABILITY

Why Telecom Analytics . . .

Why Telecom Analytics . . .

• COMPETITION

• AVAILABILITY OF INTERLINKED DATA SOURCES

• DEMANDING CUSTOMER

• GOVERNMENT REGULATIONS

• AVAILABILITY OF HARD-WARE FOR ANALYTICS

• HIGH VOLUME OF DATA MAKES IT SUITABLE TO USE STATISTICAL

CONCEPTS.

Why Telecom Analytics . . .

Post Paid Billing Process . . .

Pre Paid Billing Process . . .

Data Sources for Telecom Analytics . . .

• SWITCH CDR

• IN CDR

• RATED CDR (POSTPAID)

• SUBSCRIBERS INFORMATION (PREPAID, POSTPAID)

• SUBSCRIBER SERVICES

• RATE PLANS

• DIAL DIGIT LOOKUP

• TOWER LOCATIONS INFORMATION

• CRM DATABASES

• PAYMENT INFORMATION

Switch Call Data Record ( Switch CDR) . . .

• For every mobile transaction a record is generated in Switch. These are called

Switch Call Data Records or Switch Call Detail Records (CDR). The key fields of a

Switch CDR are:

• Called Number: The number receiving the Call.

• Calling Number: The number initiating the Call.

(A number is called MSIDN: Mobile Subscriber Integrated Services Digital

Network-Number)

• IMSI (International Mobile Subscriber Identity): The subscriber SIM card

number.

• IMEI (International Mobile Station Equipment Identity): The unique identifier for

your mobile phone.

• Cell ID: The unique ID of the cell tower transmitting the call.

• Call Status: Success, Failure, Missed.

• Call Time: The time of the call.

• Call Duration: Duration of the call.

IN Call Data Record ( IN CDR) . . .

• FOR EVERY PRE-PAID TRANSACTION A CDR IS GENERATED IN IN. THE

KEY FIELDS OF AN IN CDR ARE:

• CALLED NUMBER, CALLING NUMBER, DURATION, CALL TIME.

• RATE PLAN: THE RATE PLAN TO WHICH THE SUBSCRIBER BELONGS.

• CHARGE: AMOUNT CHARGED TO THE SUBSCRIBER.

• RECHARGE AMOUNT: AMOUNT RECHARGED.

• DEDICATED BALANCE: CAPTURES FREE TALK-TIME, SMSS, DATA

USAGE, ETC.

Rated Call Data Record ( Rated CDR) . . .

• ALL OF THE SWITCH POST PAID CDRS ARE PASSED TO A

RATING ENGINE WHERE THESE ARE RATED BASED ON

THE SUBSCRIBERS RATE PLAN.

• CALLED NUMBER, CALLING NUMBER, DURATION, CALL

TIME.

• RATE PLAN: THE RATE PLAN TO WHICH THE

SUBSCRIBER BELONGS.

• CHARGE: AMOUNT CHARGED TO THE SUBSCRIBER.

Subscriber Information . . .

• POSTPAID AND PREPAID SUBSCRIBERS ARE USUALLY STORED SEPARATELY.

THESE ARE THE KEY FIELDS.

• MSISDN

• IMSI

• FIRST USE DATE

• LAST USE DATE

• ACTIVE IN HLR (HOME LOCATION REGISTER)

• ACTIVATION DATE

• DEACTIVATION DATE

• ACCOUNT NUMBER

Subscriber Services . . .

CONTAINS THE SERVICES THAT SUBSCRIBERS SUBSCRIBE TO. FOR

EXAMPLE:

UNLIMITED OFF PEAK SMS

2 GB OF DATA USAGE

FREE ROAMING

INTERNATIONAL CALLING

THESE ARE THE KEY FIELDS:

MSISDN

IMSI

SERVICE NAME

ACTIVATION DATE OF THE SERVICE

DE-ACTIVATION DATE OF THE SERVICE

Rate Plans . . .

• THE RATE PLAN TABLE CONTAINS INFORMATION ABOUT A CALL WILL BE

CHARGED. THE KEY FIELDS ARE

• DIAL DIGIT CODE: DETERMINE THE TYPE OF THE CALL, DESTINATION

COUNTRY.

• CHARGES PER UNIT USAGE

• PROVIDER OF THE OTHER PARTY INVOLVED IN THE CALL

• TYPE OF HANDSET OF THE OTHER PARTY (LANDLINE, MOBILE)

• START TIME(HOUR) AND END TIME(HOUR) WHEN THE RATE IS

APPLICABLE.

Dial Digit Lookup

• The telecom provider needs to determine the following:

o Whether the call is a Local, STD or ISD call.

o Provider for the other party involved in the call.

• For countries where number portability is allowed there are services

available from where you can determine the provider. This is not a direct

data source. The key fields that are available in this table:

• Dial Digit Code

• Country of other party

• Provider of the other party

Cell Information . . .

INFORMATION ABOUT THE CELL TOWER USED FOR THE CALL. THE KEY FIELDS ARE:

• LATITUDE

• LONGITUDE

• COVERAGE RADIUS

Payment Information . . .

KEY FIELDS ARE:

• ACCOUNT NUMBER

• PAYMENT HISTORY

• PAYMENT TYPE (CASH, CHECK, CREDIT CARD, BANK ACCOUNT)

• PAYMENT DATE

• DUE DATE

• PAYMENT STATUS

CRM Database. . .

THE CRM DATABASE CONTAINS DEMOGRAPHIC, GEOGRAPHIC AND OTHER

FINANCIAL INFORMATION ABOUT THE CUSTOMER. SOME OF THE

ATTRIBUTES OF A CRM RECORD ARE:

ACCOUNT NUMBER

GENDER

DATE OF BIRTH

MONTHLY INCOME

WORK NUMBER

HOME NUMBER

ADDRESS

Assignment (20 marks) . . .

Analyze the sample phone bill and present the key observations. Slide 1: Overview

Tools UsedPreprocessingProblems EncounteredOverview of the analysis

Slide 2: Descriptive Analysis Time of the call: Peak, OffPeakData UsageSMS UsageCalled NumbersCalled DestinationsCost of calls, data usage.Type of Usage (Roaming, Local, International Roaming)etcSlide 3:Review the current plan to determine how well the plan is tailored for this person.

Assignment Cont (20 marks) . . .

Slide 4:Suggest a real (preferred, can be non Vodafone) plan that best suits this person. Or justify why the current plan is best by comparing with 3 other plans.

Slide 5:Try predicting the following with justification:- Gender- Approximate Age- Kind of phone- Any other information

Distribution of marks:Slide 1: 2 Slide 2,3,4 : 3Slide 5: 5 (will be on a curve)Overall Presentation: 4

You will need to make a 10 mins presentation. You will be penalized 2 marks per min if the presentation exceeds 12 mins or is less than 8 mins.

Sample Slides

TOP 20 SUPPLIERS BY SPEND (LAST 12 MONTHS)

WHAT IS THE NUMBER OF SUPPLIERS & % OF TOTAL IN EACH SPEND BUCKET (LAST 12 MONTHS)?

268

< $100K

218

$100K - $1M

% SPEND 1%11%$ SPEND $10m$86m

# PARENT SUPPLIERS

> $5M

4

34%$271m

$2.5M - $5M

22

29%$234m

$1M - $5M

25%$201m

89

SUPPLIER ANALYSIS: TOP 20 SUPPLIERS

TOTAL

601

100%$803m

Deloitte And Touche (Partnership)Petroplan Ltd

Semco Maritime AsSørco As

Acona Group AsAvanteq Limited

Rigteam AsPetrolink

OljedirektoratetRc Consultants As

Dbi AilsaAibel As

Accenture GroupJohnson Controls Incorporated

Hewlett-Packard CompanyVital Forsikring As

S MacgloinNpc, Norwegian Petroleum Consultant

Fircroft LtdOrion Competentia As

$.00m $20.00m $40.00m $60.00m $80.00m $100.00m $120.00m $140.00m

$6.64m

$6.78m

$7.04m

$7.20m

$7.29m

$7.42m

$7.64m

$8.90m

$9.05m

$9.61m

$17.62m

$18.17m

$19.05m

$21.48m

$22.11m

$23.38m

$29.42m

$30.22m

$78.81m

$132.54m

MARKET SECTOR OVERVIEW

MARKET SECTOR 2012.Q1 2012.Q2 2012.Q3 2012.Q4

HUMAN RESOURCES AND PROFESSIONAL SERVICES $150.18m $124.83m $136.34m $148.61m

I.T. PRODUCTS & SERVICES $24.53m $30.26m $20.71m $18.32m

PROPERTY MANAGEMENT $16.57m $14.31m $19.77m $13.90m

ENVIRONMENTAL PRODUCTS AND SERVICES $12.55m $7.20m $9.63m $15.22m

FINANCE SERVICES $5.64m $7.58m $4.89m $4.94m

TRAVEL AND MEETING PRODUCTS AND SERVICES $2.64m $1.88m $2.29m $1.80m

COMPLIANCE PRODUCTS AND SERVICES $1.74m $1.97m $1.32m $1.37m

INDIRECT PROCUREMENT (UNMATCHED) $.45m $.42m $.44m $.36m

70%

12%

8%6%

3%

1%1%0.2%

Human Resources And Professional ServicesI.T. Products & ServicesProperty ManagementEnvironmental Products And ServicesFinance ServicesTravel And Meeting Products And ServicesCompliance Products And ServicesIndirect Procurement (Unmatched)

APPLICATION DEVELOPMENT & MANAGEMENT SERVICES

SOFTWARE

MANAGED NETWORK PRODUCTS & SERVICES (TELECOMMUNICATIONS)

MARKET SUB-SECTOR SECTOR DETAILS : I.T. PRODUCTS & SERVICES

INFORMATION TECHNOLOGY (UNMATCHED)

Hewlett-Packard

Company

Prosource

.It (U

k) Ltd

.

Viju Vest

As

International B

usiness

Machines C

orporation

Ementor .S

.$k

$1000k$2000k$3000k$4000k$5000k$6000k

2012.Q1 2012.Q2 2012.Q3 2012.Q4

Aveva Group Plc Tektonisk As Halliburton Company

Mods Management Sharecat Solutions Ltd.

$k

$500k

$1000k

$1500k

$2000k

2012.Q1 2012.Q2 2012.Q3 2012.Q4

Wipro Ltd

International B

usiness

Machines C

orporation

Infosys Te

chnologie

s Ltd.

Biznet S

olutions Ltd

Bicycle

Bv$k

$400k$800k

$1200k$1600k$2000k

2012.Q1 2012.Q2 2012.Q3 2012.Q4

Harris Caprock Tampnet As Telenor Deutsche Telekom Aktiengesellschaft

Vizada Networks As$k

$300k

$600k

$900k

$1200k

$1500k

$1800k

2012.Q1 2012.Q2 2012.Q3 2012.Q4