Speaker verification for telephone calls.
Compare a live voice with an enrolled reference and return an identity signal.
Speaker comparison
Identity check · CALL-0082
Example result under the selected policy.
How it works.
Capture the voice
Receive a suitable speech segment from the call.
Create a representation
Convert the segment for speaker comparison.
Compare
Evaluate it against the enrolled reference under a defined threshold.
Return the state
Send the result to accept, review, or escalate.
Identity is one signal in the call, checked alongside authenticity.
Check both speech authenticity and the enrolled speaker before advancing a sensitive request.
Built for the operating decision.
Step-up decisions
Check voice identity before sensitive actions.
Explicit thresholds
Make error trade-offs an operating decision.
Reviewable evidence
Connect the comparison to the call and policy.
Plan the deployment.
A speaker comparison is one identity signal and should be combined with the controls appropriate to the transaction risk.
Talk to the team- How is the reference voice enrolled?
- What audio quality is available?
- Which threshold and error trade-off is acceptable?
- What happens when comparison is uncertain?
Test it on your own call traffic.
A 30-minute walkthrough of your highest-risk call flow, then an evaluation on audio from your own lines.