How to setup MFA with SMS or phone call instead of using the application:
1. Login to a College app such as Google or visit http://aka.ms/mfasetup
2.You will then be prompted for more information, click next
3. Select 'I want to set up a different method'
When prompted, select 'Phone' from the drop down, and then 'Confirm'.
7. MFA setup Complete
You can verify that your MFA set up has been successful by revisiting: http://aka.ms/mfasetup and ensuring that your information is correct.