Now every time a new user logs in from a different IP address, then after entering login credentials he will be redirected to a new page where he will be asked to enter an OTP received on his registered mobile number.
User has to make sure to update his mobile number from the Manage Users section:
Setting --> Manage Users --> Add User
Once the user gets redirected to the verification he needs to enter the OTP received on his registered mobile number and click on the Verify button:
If the OTP Expires a Resend button will get displayed and the user can get a new OTP. Once the user enters the correct OTP he will be redirected to the dashboard page.