Hamming provides at-scale testing and production monitoring for AI voice agents, enabling pre-launch call simulation, live conversation auditing, and instant regression detection via heartbeat checks. Features include auto-generated test suites with edge cases, automated testing, real-time analytics, DTMF/IVR emulation, and PDF reporting. Integrates with SIP/LiveKit/Pipecat and one-click imports for Hopper/Retell/VAPI. Supports multiple languages and real-world user simulations (accents/background noise). Core advantages: reliability improvement through automated testing, cross-industry applicability (sales agents/clinical trials/customer support), and cross-functional team enablement.