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3 core functions · 1 digital reception

Automatic appointment booking & telephony with the AI phone assistants

Hallodesk is your GDPR-compliant AI phone assistant for businesses. Our system offers automatic appointment booking over the phone and answers customer questions around the clock. Available 24/7, in 14+ languages, with the highest standards of data protection.

Function 1

Call answering

Every incoming call is answered immediately - even if ten calls come in at the same time. Hallodesk conducts a natural conversation, recognizes the concern and responds without pressing a button or menu navigation.

  • No waiting, no missed calls
  • Natural language instead of rigid menu navigation
  • Urgent cases are forwarded directly to your team
  • Works in parallel for multiple simultaneous calls

Live call

"Hello, do you have an appointment available today?"
"Hello! Yes, today at 4:30 p.m. is still free. Does that suit you?"
"Yes, that fits perfectly."
"Appointment noted - you will receive a confirmation via SMS straight away."
Function 2

Automatic appointment booking

Automatic appointment booking over the phone completely relieves your team. Hallodesk connects directly to your Google Calendar. Available slots are checked in real time, the appointment is booked immediately and automatically confirmed via SMS or email - without any manual intervention.

  • Real-time synchronization with Google Calendar
  • Automatic confirmation via SMS or email
  • Change or cancel appointments directly over the phone
  • Reduces no-shows with reliable reminders

Calendar sync

Availability checked✓ Real time
Appointment bookedTue, 2:00 p.m
Confirmation sent✓ Via SMS
Calendar entryGoogle Calendar
Function 3

AI reception

AI Reception is the knowledge layer behind Hallodesk: your company's opening times, prices, services and common questions are answered immediately and in natural language - automatically in the caller's language, from over 14 supported languages.

  • Knows your company’s opening times, prices and services
  • Automatic speech recognition in 14+ languages
  • Daily conversation reports via email
  • Data protection is important to us - data remains in Germany

Knowledge base

Opening hoursDeposited
Prices & ServicesDeposited
LanguageAutomatically detected
Data locationGermany
Industry solutions

Tailored to your industry

All three functions are individually tailored to your company during setup.

Frequently asked questions

Questions about the functions

What exactly does an automatic call answerer do?

Hallodesk immediately accepts every incoming call, conducts a natural conversation and automatically recognizes the concern - from appointment requests to general questions about opening times and services.

How does automatic appointment booking on the phone work?

Hallodesk connects directly to your Google Calendar. Available appointments are checked, booked and confirmed via SMS or email in real time — without manual intervention.

What does “digital AI reception” mean?

AI Reception is Hallodesk's knowledge layer: it knows your company's opening hours, prices and common questions and answers them immediately in natural language — in 14+ languages.

Can the functions be adapted to my industry?

Yes. Call acceptance, appointment booking and AI reception are individually tailored to your company and your industry during setup - whether it's a dental practice, hair salon, restaurant or other service provider.

Free demo

See all three features live in action

30 minutes, free of charge and without obligation — tailored to your industry.

Book a free demo
Feature Deep Dive

Advanced Capabilities of Hallodesk AI Voice Agents

Hallodesk offers a comprehensive suite of features designed to automate and optimize business phone operations. At the core is our natural language understanding engine, which enables the assistant to hold fluid, human-like conversations. Callers do not need to follow rigid voice prompts — they can speak naturally, and the AI will correctly identify their intent.

The scheduling engine integrates deeply with Google Calendar, Microsoft Outlook, and specialized industry booking tools. It checks real-time availability, applies custom booking rules (e.g., minimum preparation time or staff assignment), and writes bookings directly to your calendar, sending instant confirmations to the customer.

Furthermore, the assistant includes intelligent routing logic. If a call requires human intervention (such as an emergency or a complex business inquiry), Hallodesk can transfer the caller to your team or record a detailed message and notify you instantly. All call transcriptions and analytics are available in your central dashboard, helping you monitor performance and continuously optimize the assistant's knowledge base.

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