SMS can be used to as an authentication (2FA) method in two-factor authentication.
- To enable an SMS account for 2FA, when configuring your SMS service, select Two factor authentication under Usage.
- Navigate to Setup > Access and click Two Factor Authentication.
- In the Two Factor Authentication screen, select Text message (SMS) under Authentication Method and confirm the message content. In the SMS Account drop-down, select the SMS account you configured above.
- Click Finish.
- When somebody logs in, they will receive an SMS message with a security code.