telecom analytics - mobile bill analysis

MOBILE BILL ANALYSIS

AGENDA Introduction

Overview of Analysis

Descriptive Analysis

Current Plan Review

Recommended Plan

Demographic Analysis

INTRODUCTION• Study on service quality and its impact on customer satisfaction in the

telecom sector with respect to mobile service provider.• A customized bill is used for analysis with the following details.

Bill Plan - Vodafone-299

• Tool Used : MS Excel• Preprocessing :

Formatting of phone numbers in standard formatSegregation of bill into calls, message and GPRS usage.Separated date/time cell into two different columns.

• Problems Encountered: Number of message sent is not matching with summarized bill.Actual GPRS usage is mismatched with billed usage. STD call details are not mentioned.

Category FrequencyCalls 168

Messages 236GPRS (KB) 2.083 GB

OVERVIEW OF ANALYSIS• Whom do you spend calling?

• Usage-wise bill breakup?

OVERVIEW OF ANALYSIS• Which service provider do you call the most?

DESCRIPTIVE ANALYSIS• Peak time v/s Off peak time

Peak time: 7am to 7pm, Monday to Friday. Off-Peak time: 7pm to 7am Monday to Friday. Weekends and evenings are 7pm Friday to

7am Monday, including national public holidays but excluding regional anniversary days.

DESCRIPTIVE ANALYSIS CONT…• Data Usage

DESCRIPTIVE ANALYSIS CONT…• SMS Usage

Total sms sent is 236, out of which maximum number of messages are sent on airtel service provider.

SMS is sent to 23 numbers, out of which 12 numbers are vodafone service provider

DESCRIPTIVE ANALYSIS CONT…Called Numbers:

Total called minutes: 240, Local call: 235(including night speak), STD: 5mins

DESCRIPTIVE ANALYSIS CONT…Cost of calls and data usage:

Call Details Min Rates BillingVodafone 102 0.3 30.6

Others Mobile 54 0.3 16.2Landline 73 0.3 21.9Toll Free 6 0 0

STD 5 0.5 2.5SMS 236 1 236

Data usage 2.08

The phone is mostly used to call local numbers. No roaming or international charges occurred.

Current Plan DetailsMonthly Rental 299Calls to local mobiles 0.3Vodafone to vodafone calls 0.3To other phones 0.3Roaming incoming call rate NARoaming outgoing call rate NASTD to vodafone mobile 0.5STD to other mobile 0.5STD to other phones 0.5National SMS 1.5International SMS 5

Monthly Rental 499Free Usage 2GB, 3G dataSMS Pack 100SMS for Rs.50Total Rental Rs. 848

Data Plan

Recommended Plan

Note: 3G services in West Bengal is provided only by Vodafone, Aircel and Reliance

Monthly Rental 321Calls to local mobiles 0.3Reliance to reliance 0.3To other phones 0.3Roaming incoming call rate NARoaming outgoing call rate NASTD to vodafone mobile 0.5STD to other mobile 0.5STD to other phones 0.5Free SMS-local/std 500International SMS 5

Monthly Rental NilFree Usage 1GB, 3G dataAdditional Data (optional) 2GB for Rs.235Total Rental Rs. 321Plus 2gb 3G data Rs. 556

Data Plan

Demographic AnalysisPoints to be noted:

• Short call duration• Call mostly during lunch hours & evenings.• Data usage mostly in weekends

•Gender : As per studies on “How long will she call me” conducted by Beijing university of posts & telecommunications on distribution, social theory & duration prediction, it was revealed that for short call durations most of the users are female.(sample size of 2.72 lakh users, 3.92 million call records)•Approximate Age : 25-30 years as the average call duration is 102 seconds(240/168). Study has revealed that average call duration for users between 25-30 years is 105 seconds. Also the data usage is more on weekdays.•Occupation : Working professional•Kind of Phone : Smartphone/Multimedia(3G enabled)

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