Healthcare clinics average 15–30% no-show rates; salons 10–20%; service trades 5–15%. Each no-show represents lost chair time that's nearly impossible to backfill same-day.
SMS reminders reduce no-shows by 20–30% on average. Voice confirmation + WhatsApp reminders + live reschedule on the call together can drop no-show rates by 50–70%.
The reason voice works: customers who hear a confirmation are 3× more likely to commit (or proactively reschedule) than customers who just read an SMS.