How to deliver a hotel room without a telephone robot?

In the absence of telephone, the robot allocation method is as follows according to the giant network query.

1. Enter the guest's floor and room number in the robot program, so that the robot will enter the elevator by itself and reach the designated floor. After the designated room comes to the door, it will ring the doorbell by itself.

2. Call the front desk. If you need help from the hotel, you can call the front desk and ask the front desk and the waiter to let you know. After receiving the customer's order, the waiter will confirm the order content, quantity, delivery time and other details with the customer.