# How do I set up Two-Factor Authentication (2FA)?

**Update:** Two-Factor Authentication (2FA) adds an extra layer of security to your personal sipgate account. In addition to your regular password, 2FA requires you to confirm your login using a separate device.

**A practical example:** You log in to your account on your computer as usual with your email address and password.

In the second step, you receive a six-digit code on your smartphone or tablet. You then enter this code on your computer to complete the login. The following article provides a step-by-step guide on how to set up and use Two-Factor Authentication.

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#### Install an Authenticator App on your Smartphone or Tablet

First, you need an authenticator app.

For this guide, we used the Google Authenticator app on an iPhone. You can download it for free from the App Store or Google Play Store. However, other apps and devices are also compatible.

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**Tip:** SMS-based authentication is not available because SMS delivery is not secure and requires a stable network connection.
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#### Configure Two-Factor Authentication in Your sipgate Account

* Log in to your account.
* Open the **User Settings** from the navigation menu on the left.
* Click on the gear icon next to **Two-Factor Authentication**.
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#### Sync Your Smartphone / Tablet with Your sipgate Account

Once you start the setup, a QR code will be displayed.

* Open the authenticator app on your smartphone or tablet and scan the QR code. Alternatively, you can enter a numerical key manually.
* Once this step is complete, the app will display a verification code. Enter this code on your computer and give your device a name, e.g., "Philipp's iPhone".
* Click **Complete Activation**, and you have successfully set up Two-Factor Authentication.
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#### How Two-Factor Authentication Works for Future Logins

* Enter your email address and password as usual.
* Now, you need the six-digit 2FA code. Open the authenticator app on your smartphone or tablet.
* Enter the displayed code on your computer to log in.

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**Tip:** In Google Authenticator, you will see a small countdown clock next to the code. Once the clock runs out, a new code is generated, and the old one expires.
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Since the code changes regularly, you need to enter it promptly—but this is exactly what makes Two-Factor Authentication so secure. No worries if you're too slow—just enter the newly generated code.

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**Tip:** If verification via the authenticator app is not possible because a user has lost access to the app, Two-Factor Authentication can be temporarily disabled. Contact customer support via the contact form. In this case, users can log in with just their password.
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