Humbug Telecom Labs offers enterprise-class telecommunications traffic analysis and fraud detection. Their service allows you to get real-time traffic insights and security alerts for your telecom network/PBX.
The Humbug Analytics API which allows you to connect any application or PBX to their service for in-depth reporting and fraud alerting. Use the API to authenticate phone numbers during call setup, submit PBX events for analysis, submit call detail records for analysis, and more. Advanced integration enables you to remotely configure alerts, and add or remove sub-API keys for drill-down reporting.