SMS/Voice
The SMS/Voice chart shows success/failure information for SMS-based and voice-based enrollment and authentication, and the total cost for successful/failed attempts.
For more information on SMS-based and voice-based authentication, see:
The SMS/Voice chart shows success/failure information for SMS-based and voice-based enrollment and authentication, and the total cost for successful/failed attempts.
For more information on SMS-based and voice-based authentication, see: