Cannot get Guardian SDK to send MFA verification code by voice call

Problem statement

We use Auth0 Guardian SDK to create the MFA template and want to implement sending the MFA verification code by voice call.

Troubleshooting

Check the Guardian SDK repo for changes

Cause

The source code currently only supports OTP, SMS, and Push.

Solution

Please use the MFA Widget / New ULP to support MFA by Voice call as it is not supported by the Guardian SDK currently: