Adding Another Device
It is highly recommended that you setup at least two methods of Duo authentication to your account. You have three options.
Landline: A landline can be your office phone or your home phone.
U2F Token: These small USB devices are available in the IT Service Center. Note they can only be used with Chrome.
Passcodes: Follow these instructions to have Duo text you a list of 5 single use passcodes. Store your codes in a place you can access them if you do not have your phone.
Follow these steps if you will be Getting a New Phone or Number.