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Telecom Analytics – by Arindam Guptaray. Few words about me... B. TECH FROM IIT KHARAGPUR. MBA (FINANCE) FROM UNIV. OF MINNESOTA, CARLSON SCHOOL. HAVE.

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Presentation on theme: "Telecom Analytics – by Arindam Guptaray. Few words about me... B. TECH FROM IIT KHARAGPUR. MBA (FINANCE) FROM UNIV. OF MINNESOTA, CARLSON SCHOOL. HAVE."— Presentation transcript:

1 Telecom Analytics – by Arindam Guptaray

2 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.comguptaray@yahoo.com LinkedIn: http://www.linkedin.com/in/agriit

3 Few words about You!... Name Background – Engineering, Arts, Commerce Work Experience Stream – Analytics, MBA Expectations from the program Expectations from this Class

4

5 Agenda

6 What is Analytics...

7 “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?”

8 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

9 Why Telecom Analytics...

10 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.

11 Why Telecom Analytics...

12 Post Paid Billing Process...

13 Pre Paid Billing Process...

14 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

15 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.

16 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.

17 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.

18 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

19 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

20 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.

21 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

22 Cell Information... INFORMATION ABOUT THE CELL TOWER USED FOR THE CALL. THE KEY FIELDS ARE: LATITUDE LONGITUDE COVERAGE RADIUS

23 Payment Information... KEY FIELDS ARE: ACCOUNT NUMBER PAYMENT HISTORY PAYMENT TYPE (CASH, CHECK, CREDIT CARD, BANK ACCOUNT) PAYMENT DATE DUE DATE PAYMENT STATUS

24 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

25 Assignment (20 marks)... Analyze the sample phone bill and present the key observations. Slide 1: Overview Tools Used Preprocessing Problems Encountered Overview of the analysis Slide 2: Descriptive Analysis Time of the call: Peak, OffPeak Data Usage SMS Usage Called Numbers Called Destinations Cost of calls, data usage. Type of Usage (Roaming, Local, International Roaming) etc Slide 3: Review the current plan to determine how well the plan is tailored for this person.

26 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 : 3 Slide 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.

27 Sample Slides

28 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

29 MARKET SECTOR OVERVIEW

30 APPLICATION DEVELOPMENT & MANAGEMENT SERVICES SOFTWARE MANAGED NETWORK PRODUCTS & SERVICES (TELECOMMUNICATIONS) MARKET SUB-SECTOR SECTOR DETAILS : I.T. PRODUCTS & SERVICES INFORMATION TECHNOLOGY (UNMATCHED)


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