Call Record Analysis Tool
Prerequisites
Call record formats of all companies
Data of tower locations with Latitude – Longitudes with details of updating.
STD and ISD codes
Phone directories both landline and cellular (if available)
Cellular Phone numbering plans in different circles and companies.
Interpretations of prefix / codes if used in any field of call records.
Format of Call Records
Call records are generally obtained for 2 types of queries. Call records of individuals or known phone numbers and call records of a particular tower.
Generic form of call records should contain the following
Mobile Number | Subscriber
Calling | Caller ID
Call Type – Incoming / Outgoing
Voice
SMS
Date (DD/MM/YYYY)
Time (24 Hours) IST
Cell ID – Tower ID
IMIE
IMSI
Call Duration
Different companies maintain their database in different formats. An analysis of these formats would be required to generate a common platform for data merge.
Following information can be derived from above database
Preliminary Analysis results
1. Frequency of call to a set of numbers
2. List of Most Frequently called numbers
3. List of Most Frequently Received Numbers
4. Latest called Numbers
5. Numbers called Around the suspected time duration
6. List of numbers with maximum call duration
7. Area(s) of Maximum / Last activity
Analysis for TOWER DATA
1. Group of phone numbers Calling each other in a same tower location
2. Group of Phone Numbers Calling each in different tower locations
3. Movement of a number / group of numbers across different towers
4. Movement of a IMIE across different towers
Further analysis tools as listed below would provide different type of report generation.
1. Same phone number with different IMIE or Same IMIE with different phone numbers supported by the movement of number across the towers.
2. Group of phone numbers Calling each other in a same tower location
3. Group of Phone Numbers Calling each in different tower locations
4. Movement of a number / group of numbers across different towers
5. Movement of a IMIE across different towers
Above all can be visualized in text form as well as on google maps so that route map can be generated.
Cases where suspected numbers are not identified but tower locations are identified. Data of particular tower locations are merged to find out activity.
Identification of common numbers / IMIE / group in set of specified tower locations.
Indetification of 1o and 2o ,…and N Degrees of connections in specified tower locations on given date and time.
Formats of reports
Text
Graphs (Line / frequency / Timeline )
Geographic Location representation with the help of Google Maps API
