Portal guard is set to send MFA code using SMS as a default, if you (or any user) use google authenticator (or has a token) and don't want the SMS, all they have to do is change the default in PG to Google authenticator. steps below:
Go to https://pg.4cd.edu and login
Then click on Multi-Factor Authentication (see attached screenshot)
Click on “Change” to the right of “website login”
Click the drop down option and choose “mobile Authenticator”
Click Continue button
