Fonio AI

Set up appointments

Select voice & set starting sentence

Choose a natural voice for the AI and define a friendly opening message to greet callers professionally.

Sync calendar

Connect your calendar (e.g. Google, iCloud, Outlook) via Calendly or cal.com with fonio to check availability in real time.

Test appointment booking

Call the AI and book an appointment to ensure everything is working correctly.

Discover the platform now

Customer reviews

My assistants save me at least the cost of a full-time employee. We receive the summary via email. Every call is answered; nothing gets lost anymore.

Stefan Jaklitsch

Real Estate Trust, Mag. Jaklitsch GmbH

Fonio enables 24/7 call center availability at a fraction of the cost of human labor.

Matthias Bartl

Medical practice of Dr. Matthias Bartl

Scheduling appointments, qualifying leads, forwarding them – all fully automated. Perfect integration into our CRM and calendar system. We no longer miss any customer calls.

Markus

PowUnity

I am not a developer, yet I was able to create a fully functional AI phone assistant in just over 30 minutes.

Moritz

IT services

#1 Software Tool des Jahres 2026

from over 10,000 companies

Appointment scheduling & FAQ answers

Automatic post-processing

After each call, the details will be sent via email or SMS to make appointment management even easier for you.

Seamless calendar integration

Use our native integrations with Calendly or cal.com to sync your calendar.

Efficient appointment scheduling

The AI handles your appointment scheduling by phone and offers real-time availability from your calendar.