Datasets:
metadata
license: gpl
task_categories:
- text-classification
language:
- en
tags:
- telecom
- call
- detail
size_categories:
- 1M<n<10M
Call Detail Records
Dataset Description
Comprehensive logs of voice calls, SMS, and data usage across Nigerian telecom networks
Dataset Information
- Category: Network Performance and Operations
- Format: CSV, Parquet
- Rows: 1,000,000
- Columns: 13
- Date Generated: 2025-10-05
- Location:
data/call_detail_records/
Schema
| Column | Type | Sample Values |
|---|---|---|
cdr_id |
String | CDR00000001 |
timestamp |
Datetime | 2025-09-12 01:47:41 |
operator |
String | Airtel |
calling_number |
String | +2349078978178 |
called_number |
String | +2348057135387 |
call_type |
String | data |
duration_seconds |
Integer | 0 |
data_volume_mb |
Float | 69.63 |
sms_count |
Integer | 0 |
tower_id |
String | LAG-8972 |
city |
String | Lagos |
network_type |
String | 4G |
call_status |
String | completed |
Sample Data
cdr_id timestamp operator calling_number called_number call_type duration_seconds data_volume_mb sms_count tower_id city network_type call_status
CDR00000001 2025-09-12 01:47:41 Airtel +2349078978178 +2348057135387 data 0 69.63 0 LAG-8972 Lagos 4G completed
CDR00000002 2025-09-14 13:49:36 MTN +2348133004465 +2347035891260 data 0 342.29 0 WAR-7779 Warri 4G completed
CDR00000003 2025-09-11 14:09:43 9mobile +2348090322661 +2348127029601 voice 2897 0.00 0 BEN-3528 Benin City 3G failed
Nigerian Context
This dataset incorporates authentic Nigerian telecommunications characteristics:
- Geographic Coverage: Major Nigerian cities including Lagos, Abuja, Kano, Port Harcourt, Ibadan
- Operators: MTN, Airtel, Glo, 9mobile with realistic market shares
- Phone Numbers: Nigerian format (+234 prefixes)
- Currency: Nigerian Naira (NGN)
- Time Zone: West Africa Time (WAT, UTC+1)
- Network Types: 2G, 3G, 4G, 5G distribution
File Formats
CSV
data/call_detail_records/call_detail_records.csv
Parquet (Recommended)
data/call_detail_records/call_detail_records.parquet
Loading the Dataset
Python (Pandas)
import pandas as pd
# Load CSV
df = pd.read_csv('data/call_detail_records/call_detail_records.csv')
# Load Parquet (recommended for large datasets)
df = pd.read_parquet('data/call_detail_records/call_detail_records.parquet')
Python (PyArrow)
import pyarrow.parquet as pq
# Load Parquet
table = pq.read_table('data/call_detail_records/call_detail_records.parquet')
df = table.to_pandas()
License
MIT License - For educational and research purposes
Citation
Nigerian Telecom Datasets - Call Detail Records
Generated: 2025-10-05
Category: Network Performance and Operations
Rows: 1,000,000
Related Datasets
This dataset is part of the Nigerian Telecom Datasets collection, which includes 34 datasets covering network performance, customer behavior, financial transactions, infrastructure, geospatial data, customer experience, and emerging technologies.