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Log in Using a Phone Callback for Two-Step Login

How to use a phone call to authenticate with Two-Step Login

This article applies to: Two-Step Login


Log in Using a Phone Callback

The automated call will now ask for a specific numeric key to be pressed.  For more information, read the news article about this change.

Two-Step Login calls you on your mobile phone or landline.

  1. When you're prompted with the Two-Step Login screen, click Call Me
  2. Answer the phone call
  3. When you hear the automated "Welcome to Cornell Two-Step Login" greeting, press the requested number key on your phone to authenticate.  To find the number:
    • Press the number shown in the blue bar located in the authentication prompt on your computer screen, or
      Picture of Two-Step Login authentication prompt with number to press circled
    • For a phone with Caller ID, the number you need to press appears as the last four digits of the incoming phone number. For example, if Caller ID displays 607-253-3333, press 3 on your phone to log in, or
    • Listen to the phone message and press the requested number on your phone
       
If you think this is a fraudulent login attempt, press # to report it to a security engineer.

For more information, see Duo Security's Guide to Two-Factor Authentication.

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