Call data records is data that is gathered by telecom operators that are specific to individual customers. We are going to take a look at telecom domain-specific use cases in this recipe.
To perform this recipe, you should have an up and running Hadoop cluster. We need some sample data for these use cases; I have written a data generator, which can used for your reference. You can find it at https://github.com/deshpandetanmay/cdr-data-generator.
Before jumping into the solution let's first try to understand a problem statement.
Telecom companies keep records of each and every call made by their subscribers. They also keep information such as when a call was made, who it was made to, the start time, end time, and so on. Detailed information, such as SMSes, data sessions, and so on, is also stored by these companies. Here, the problem statement is how we can use this data to make company operations run smoother and help them...
