# Add Phone as a second factor

Learn how to add a second factor using SMS as both an admin and a user.

> For the index of this section of the site, see [llms.txt](https://fusionauth.io/docs/llms.txt)

> **PLAN:** This feature requires [at least a Starter plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#starter-features).

Available since `1.26.0`

Phone two-factor is not enabled by default. Configure your tenant by navigating to Tenants -> Edit Tenant -> Multi-Factor .

## Enable MFA method on Tenant (Admin Facing)

![The tenant Multi-Factor tab with the Phone settings highlighted.](https://fusionauth.io/img/docs/screenshots/account-tenant-mfa-phone.png)

You can enable the phone factor on the tenant level by following these steps:

*   Set SMS and/or Voice to enabled
*   For each enabled message type, select a `messenger` (previously created, see [documentation](https://fusionauth.io/docs/email.md))
*   For each enabled message type, select a `template` (FusionAuth ships with a default to be customized if needed)

### Enable Phone Factor from Account Management (User Facing)

![The account page with the edit button and the two-factor and passkey links.](https://fusionauth.io/img/docs/screenshots/account-home.png)

1.  Navigate back to your account page.
2.  Click Manage two-factor
3.  Click Add two-factor
4.  There will be an option for Phone.

![The two-factor page with no methods configured.](https://fusionauth.io/img/docs/screenshots/account-two-factor.png)

![The Enable two-factor form for a phone.](https://fusionauth.io/img/docs/screenshots/account-two-factor-phone.png)

Next,

1.  Enter your phone number.
2.  If SMS and Voice are both enabled, select which type of message to send.
3.  Click on `Send a one-time-code`.
4.  (Optional) Enter a name for this method (for example, `Work phone`).
5.  Enter the provided code.
6.  Click Enable .

## Recovery Codes (User Facing)

Now you will be presented with recovery codes. Save these in a safe space.

![The recovery codes shown after two-factor authentication is enabled.](https://fusionauth.io/img/docs/screenshots/account-recovery-codes.png)

trophy Success!

Upon the next login, you will be prompted for a code sent by phone in addition to your password. If the tenant has both SMS and Voice message types enabled you will be asked to choose which type to receive, otherwise the message will be sent automatically.

## See It in Action (User Facing)

With phone MFA enabled, if you log out and log back in you will be presented with the following screen in addition to the typical login screen.

![The two-factor challenge shown after logging in.](https://fusionauth.io/img/docs/screenshots/account-two-factor-challenge.png)

Related

[APIs Disable Multi-Factor API API documentation for the FusionAuth Disable Multi-Factor API. two-factor authentication](https://fusionauth.io/docs/apis/two-factor/disable-multi-factor.md)

[APIs Enable Multi-Factor API API documentation for the FusionAuth Enable Multi-Factor API. two-factor authentication](https://fusionauth.io/docs/apis/two-factor/enable-multi-factor.md)

[APIs Generate a Secret API API documentation for the FusionAuth Generate a Secret API. two-factor authentication](https://fusionauth.io/docs/apis/two-factor/generate-a-secret.md)

[APIs Generate Recovery Codes API API documentation for the FusionAuth Generate Recovery Codes API. two-factor authentication](https://fusionauth.io/docs/apis/two-factor/generate-recovery-codes.md)
---

## Other pages in Account Management

> For the full index of this section, see [Users](https://fusionauth.io/docs/llms-users.txt).

- [Add WebAuthn Passkey](https://fusionauth.io/docs/users/account-management/add-webauthn.md): Learn how to add a WebAuthn passkey.
- [Bootstrapping Login For Self-Service Account Management](https://fusionauth.io/docs/users/account-management/bootstrapping-login.md): How to allow users to access self-service account management from external applications.
- [Customizing Self-Service Account Management](https://fusionauth.io/docs/users/account-management/customizing-account-management.md): How to customize both the data collected and the look and feel of Self Service Account Management.
- [Self-Service Account Management](https://fusionauth.io/docs/users/account-management.md): Setting up multi-factor authentication as an admin and user, as well as configuring the self-service account management pages.
- [Account Troubleshooting](https://fusionauth.io/docs/users/account-management/troubleshooting.md): Learn about troubleshooting steps for Self Service Account Registration.
- [Add Authenticator as a second factor](https://fusionauth.io/docs/users/account-management/two-factor-authenticator.md): How to add a second factor using an Authenticator/TOTP application as a user and admin.
- [Add Email as a second factor](https://fusionauth.io/docs/users/account-management/two-factor-email.md): Learn how to add a second factor using Email as both an admin and a user.
- [Update User Profiles and Passwords](https://fusionauth.io/docs/users/account-management/updating-user-data.md): How to update user profile data and change user passwords.