Voice Biometrics for Caller Authentication

Description

Authenticates callers using voice-print biometrics during IVR self-service or live-agent conversations, replacing or supplementing traditional PIN-based verification. Supports both passive conversational verification and active prompted-passphrase modes, with voice-print enrollment, liveness detection, and anti-spoofing measures to prevent replay attacks.

Canonical use case

A financial services contact centre replaces knowledge-based authentication with voice biometrics. Returning customers calling the IVR are verified within seconds by speaking a passphrase, reducing average handle time and improving fraud resistance without requiring agents to ask security questions.