Anonymised Phone Call Dataset for Anomaly Detection

The dataset provides anonymized information related to phone calls, including the following details:

1. Origin Numbers (A-Numbers)
2. Destination Numbers (B-Numbers)
3. Timestamp of the call
4. Call Result, indicating whether the call was blacklisted (coded as 001) or not (coded as 000)

The dataset is divided into two subsets with the following characteristics:

Dataset 1
- Collection Period: 24th July 2018 to 21st October 2018
- Duration: 89 days
- Total Records: 83,366,367 examples
- Unique A-Numbers: 9,006,011
- Unique B-Numbers: 2,387,932

Dataset 2
- Collection Period: 1st June 2019 to 30th June 2019
- Duration: 29 days
- Total Records: 32,879,670 examples
- Unique A-Numbers: 3,217,069
- Unique B-Numbers: 1,380,235