There are 3 options that can be setup as a preferred approval method. Depending on the method set, you will have to complete the approval before you can complete the sign in to the account.
Experience: When approval is required a notification will appear your phone.
TIP: Mobile Mentor recommends this as the most effective option.
Note, some companies recommend or restrict employees to one of the other methods below
Via Text Message
Experience: A text containing a 6 digit code will be sent to the number you register, enter this number in the prompt shown on screen
Via Phone Call
Experience: You will receive a phone call, once answered press the # (Pound / Hash Key) to approve