Smart Voice Assistant for Medical & Allied Health
Transform patient communication with intelligent AI voice agents that book appointments, send reminders, and answer common inquiries 24/7 — reducing administrative workload while ensuring every patient receives prompt, professional care coordination.

Smart Appointment Booking
Never miss a patient
The Pain
Receptionists in busy clinics are constantly overwhelmed — juggling phone calls, appointment requests, and walk-in patients all at once. Every ring of the phone pulls them away from assisting someone in person. As rescheduling and cancellation requests pile up, so do the mistakes: missed appointments, double bookings, and long hold times. Patients grow impatient, frustrated by delays and lack of attention, and many eventually take their business elsewhere. What should be a smooth, caring experience turns into a daily struggle to simply keep up.
How InStack Solves It
With InStack, your clinic gets an AI-powered phone and chat assistant that never sleeps — available 24/7 to answer patient inquiries, book and reschedule appointments, handle cancellations, and ensure smooth communication, even after hours, on weekends, and during peak patient hours.
Answers every call instantly, even after hours
Books and reschedules appointments via HotDoc, HealthEngine or your calendar
Sends appointment confirmations and reminders
Answers common questions (clinic hours, fees, services offered)
Logs cancellations and updates schedules automatically
Transfers urgent or sensitive calls to staff as needed
It's like having a dedicated virtual receptionist who never sleeps, never complains, and always follows your instructions perfectly — answering patient inquiries, scheduling and confirming appointments, managing cancellations, and keeping your clinic's communication running seamlessly around the clock.
Live Call Flow
Caller
Hi, I need to reschedule my physio appointment from tomorrow.
AI Agent
I can help with that. Can I get your name and the time of your current booking?
Caller
Mark Jennings, it was for 2 PM.
AI Agent
Thank you, Mark. We have Thursday at 11 AM or Friday at 3 PM available. Which one suits you better?
Caller
Thursday works.
AI Agent
Great, I've moved your appointment to Thursday at 11 AM. A confirmation has been sent to your mobile.
Patient calls your clinic
AI greets the caller and asks the purpose of the call
Determines if it's a new appointment, reschedule or cancellation
Accesses available slots and books accordingly
Confirms appointment and sends SMS/email
Transfers emergency or sensitive calls to real staff
Ready to see how InStack can help your medical clinic?
Talk to our AI voice agent for inquiries or start your trial today.