Pyvorin for CDR Analysis

CDR Parsing

Parse call detail records from switches and normalise fields.

def parse_cdr(line):
    parts = line.split(",")
    return {
        "caller": parts[0],
        "callee": parts[1],
        "duration": int(parts[2]),
        "timestamp": parts[3]
    }

Aggregation

Roll up CDRs by hour, cell tower, and subscriber for billing.

Fraud Scoring

Detect SIM-box, wangiri, and subscription fraud from CDR patterns.