Mainly they put you in a room, give you some time to look over the offers, and then you answer the phone to a “customer” (the person interviewing), they tell you their issue, and you assist them like you would a customer.
I applied online. The process took 3 days. I interviewed at T-Mobile (Colorado Springs, CO) in Sep 2020
Interview
Applied online next day was sent an email followed by a phone call to make sure I was going to proceed with a video recording (interview) was emailed the same day for a 2nd interview with hiring team.
Walk-in interview took 30 mins, was a group interview with 3 two interviwers asked questions and anyone can initiate reply took us 30 mins questions were easy pretty much discussion based got selected in a group of 3 got offer within a day and joining within a week almost 10 ppl selected on that day we all went for training togther after training only 5 left and I left job too after 4 months management not supportive