Currently used in Doctors offices nation wide, allows patients to schedule an appointment over the phone or on the net even when doctors office is closed.

Similarly it's used in Golf courses around the world to make appointments for the T-time. System keeps track of available slots and allow people to call in or go over the internet and make reservations. It also has an option to do a call back the day before to confirm reservation, which is used as a reminder to ensure the time slots are actually taken reducing wastage of available resources.