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
Two-Step Login calls you on your mobile phone or landline.
- When you're prompted with the Two-Step Login screen, click Call Me
- Answer the phone call
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
- 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
- Press the number shown in the blue bar located in the authentication prompt on your computer screen, or
For more information, see Duo Security's Guide to Two-Factor Authentication.