Open-source AI receptionist for ready-to-book callers.

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May 16, 2026

2026 Rank: #1502

LobbyStack

Canada Virtual receptionist

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Agents Open Source Local

Open-source AI receptionist for ready-to-book callers.

AI Receptionist Local Appointment Booking Automatic Scheduling Call Handling Receptionist AutomationFree + from $15/mo

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Overview

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LobbyStack is an Artificial Intelligence (AI) powered receptionist designed to efficiently manage inbound communication for businesses. It automates the process of answering calls, booking appointments, and routing urgent calls, ensuring your business won't miss valuable opportunities due to unanswered calls.

The AI can be set to answer all calls or only operate when your team is unavailable, keeping the conversation going by answering complex questions and capturing important details.

Integrations with calendars mean LobbyStack can handle availability checks and send automatic confirmations for booked appointments. It can take and understand customer's text messages, allowing clients to reschedule or cancel via SMS and responds accordingly.

LobbyStack can also quickly route urgent calls or take clear reports if a live operator is preferred. Another feature of the platform is its ability to import knowledge from your business's key reference documents, so it can provide detailed responses in line with your existing customer service protocol.

Sophisticated human handoff is in place to handling complex calls. To launch, connect your phone, import your knowledge sources, set the rules, and then take it go live.

You remain in control with the ability to change what your AI receptionist knows and can do, and reviewing call transcripts, recordings, and more.

Supported features

Key Features

Phone Answering
Lead Qualification
Appointment Booking
Call Routing
Call Summaries
Knowledge Base Answers
Human Handoff
Missed Call Recovery
Self-hostable
Realtime Call Transcription

Releases

LobbyStackInitial

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Initial release

May 16, 2026

Initial release of LobbyStack.

Author

Raphaël

@morencyr

lobbystack.com

🇨🇦 Canada

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Joined: May 2026

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Freemium

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$15/month

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Monthly

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Virtual receptionist LobbyStack

Canada Virtual receptionist

200

No ratings

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Customer support299 0 Customer calls4 0 Sales calls9 0 Call agents4 0 Call summaries4 0

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Pros and Cons

Pros

Open-source

24/7 operation

Automates call answering

Reduces missed calls

Incoming call detail capture

Assists in booking/callback requests

Handles routine and urgent calls

Automatic calendar integration

Automatic booking and confirmation

Text message handling

Context comprehension

Regulation-adherent responses

Customizable responses

Adaptable Deployment

Transcript and recording review

Leads Qualification

Inbound Communication Management

Intelligent Call Routing

Customer text interaction

Efficient work organization

Operates on unavailability

Website and document referencing

Spreadsheet and FAQ sourcing

Human handoff system

Operator assistance

Availability management

Urgent call handling

Call transfer with reason

Incorporates business-specific knowledge

Automatic Confirmations

Automatic appointment booking

Sophisticated human handoff

Phone connectivity

Knowledge sources importing

Appointment context provision

Text replies to clients

Direct call routing

Calls capture interface

SMS-based rescheduling/canceling

Call rules configurability

Dashboard with actionable insights

Update business details independently

Record, transcript, summary review

View 38 more pros

Cons

No CRM integration yet

Limitations in complex call handling

Dependent on business scheduling availability

No automatic knowledge base updates yet

Limited supported calendar tools

Limited SMS interaction capabilities

View 1 more cons

Q&A

How does LobbyStack qualify leads?

LobbyStack qualifies leads by answering calls round the clock, comprehending the purpose of every call. It not only takes detailed notes but can also engage with potential leads by assisting them in booking or requesting a callback. It also ensures to pass on critical information about the caller and their interest to the appropriate team.

What happens when LobbyStack receives a urgent call?

When LobbyStack receives an urgent call, it has the capability to direct the call to the appropriate team, providing them with the detailed reason for the call and the caller's details. It can efficiently handle these emergency situations ensuring the business's prompt attention to urgent matters.

In what ways can LobbyStack prevent missed calls?

LobbyStack prevents missed calls by being operational round the clock. It instantaneously answers all calls, captures what the caller needs, and assists them to book or request a callback. It can answer all calls, or only when the team is unavailable. This ensures that no call goes unanswered even if it's after hours or during peak times.

How does LobbyStack understand the context of text messages?

LobbyStack has the ability to handle text messages from customers. It uses its AI capabilities to understand the context of the messages and responds in accordance with the predefined business rules. This eliminates the standard rigid responses of traditional automated systems and ensures the customers interact with an intelligent system that understands their intent.

How does LobbyStack's appointment booking feature work?

LobbyStack's appointment booking feature works by directly interfacing with your calendar. It checks the availability of the staff, offers appropriate time slots to the customers, books appointments, and sends confirmation automatically. This results in a seamless appointment scheduling experience without any manual intervention.

Can LobbyStack answer questions from resources like websites and documents?

Yes, LobbyStack can answer questions from various resources like websites, documents, spreadsheets, service lists, policies, and FAQs. These resources can be imported into LobbyStack, enabling the AI receptionist to answer questions with the same context your team uses every day.

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Is it possible to customize the responses of LobbyStack?

Yes, you can indeed customize the responses of LobbyStack. Users can adjust the exact greeting, configure the AI's personality to align with their brand, and provide specific instructions on how to handle various discussion topics. This makes LobbyStack a truly personalized AI solution for businesses.

Can LobbyStack be programmed to answer only when my team is unavailable?

Absolutely, LobbyStack can be programmed to answer only when your team is unavailable. This provides adaptability for businesses, ensuring that all calls are answered, therefore decreasing the chance of missed calls.

Does LobbyStack offer transcription services for calls?

Yes, LobbyStack offers transcription services for calls. A review feature within the system also enables users to review and analyse transcripts, recordings, caller details, and bookings. This functionality creates an important record of each call, providing opportunities for better customer service and business development insights.

How does LobbyStack handle callers' details and notes?

LobbyStack handles callers' details and notes systematically. When a call is received, it captures detailed information about the caller's requirements and assists them to book or request a callback. This information is available for review and further reference, contributing to a more efficient work organization.

What are the key features of the LobbyStack?

Key features of LobbyStack include automated call answering, lead qualification, appointment booking, handling urgent calls, real-time communication via calls and text messages, contextual understanding of conversations, compliance to business regulations, automatic scheduling, efficient use of business's existing resources, customization of responses, adaptability to business hours, transcription services, caller details recording, and booking confirmation.

In what manner does LobbyStack support real-time communication with customers?

LobbyStack supports real-time communication with customers by answering every call immediately and also managing text messages efficiently. It understands the context and keeps the conversation moving, maintaining the continuity and pace of communication which is crucial in customer satisfaction.

How does the LobbyStack comply with business regulations?

LobbyStack complies with business regulations by incorporating the same into its responses. It understands the context of the conversation or text message and accordingly responds in line with the company's policies and regulations. This ensures that every interaction stays within the framework of the business's guidelines.

Is installing LobbyStack a complex process?

Installing LobbyStack is a straightforward process. You only need to set up the receptionist once, then refine how it answers, books, routes, and summarizes according to your business's requirements.

How is LobbyStack more efficient than a human receptionist?

LobbyStack is more efficient than a human receptionist as it operates 24/7, ensuring no missed calls or potential revenue losses. It can handle more number of calls as compared to a human, answer from a vast number of resources, provide customizable responses and still maintain a consistent performance level. It can also record and organize details in a more precise manner than a human receptionist.

Can LobbyStack handle both calls and text messages?

Yes, LobbyStack can handle both calls and text messages. It is well-equipped to answer calls, provide responses, book appointments, and even route the call to the appropriate team if necessary. It can also manage text messages from customers, understand the context and respond based on the specified business rules.

How adaptable is LobbyStack to different working hours?

LobbyStack is highly adaptable to different working hours. It can answer all calls or only those when the team is unavailable. With this flexibility, businesses can ensure they are always reachable, enhancing their customer service experience.

How can LobbyStack be customized for different departments of a business?

Every business department within a company can customize LobbyStack for their specific needs. This could mean importing relevant documents and FAQs, adjusting response templates, setting up hours of operation, and determining what types of calls should be routed to human operators. Such flexibility makes LobbyStack highly adaptable for different departments.

Does LobbyStack have a feature for review and analysis?

Yes, LobbyStack has a review feature for analysis. Users can view transcripts, recordings, caller details, bookings, and more. This allows for detailed analysis of every customer interaction, providing insights that could be used for business growth and service improvement.

How does LobbyStack connect with your existing calendar for scheduling?

LobbyStack connects with your existing calendar for scheduling by directly integrating with popular calendar tools. It checks the availability, provides time slots for the customers to choose from, books the appointment and sends a confirmation automatically offering a streamlined and hassle-free scheduling process.

What is LobbyStack?

LobbyStack is an open-source AI receptionist designed to manage inbound communication for businesses, such as handling calls, answering questions, qualifying leads, and booking appointments. By automatically answering every call, it eliminates revenue loss from missed calls. The platform can also manage text messages from customers, and offer automatic appointment scheduling by checking calendar availability and sending confirmations.

How does LobbyStack qualify leads?

LobbyStack qualifies leads by answering questions and capturing important details during calls. It's able to distinguish the purpose of each call, further assisting in the lead qualification process.

What is the process of setting up LobbyStack?

The setup of LobbyStack involves a series of steps which include connecting your phone, importing your knowledge sources, setting the rules for how it operates, and moving it to live operation. You retain control of what LobbyStack knows and can review calls, transcripts, recordings, and more.

Can LobbyStack operate 24/7?

Yes, LobbyStack operates 24/7. It can answer all calls or only operate when your team is unavailable. This ensures persistent customer communication and minimal missed opportunities.

Does LobbyStack handle incoming text messages?

Absolutely, LobbyStack can handle incoming text messages. It understands the context of the texts and responds in accordance with the set business rules. This feature allows customers to ask questions, reschedule, or cancel appointments through SMS.

Can LobbyStack be customized to reflect my company's regulations?

Yes, LobbyStack can be customized to mirror a company's specific regulations. Users have the ability to custom-tune the AI's responses, and it learns to respond in line with the company's parameters and regulations by importing knowledge from various sources like websites, documents, spreadsheets, and FAQs.

How does LobbyStack handle routine vs urgent calls?

LobbyStack is designed to handle both routine calls and urgent calls differently. For routine calls, it can answer questions, record details, and keep the conversation moving. For urgent calls, LobbyStack routes them to the appropriate team along with relevant details of the caller and the reason for the call.

Will LobbyStack book appointments automatically?

Yes, LobbyStack can book appointments automatically. It connects with your calendar, checks availability, and offers suitable time slots. Once an appointment is booked, it sends a confirmation as well.

Can LobbyStack check availability and send confirmations?

LobbyStack indeed has the capability to check availability and send confirmations. It integrates with calendar tools to ascertain available slots and schedules appointments in real-time. Once an appointment is booked, it automatically sends confirmations.

How does LobbyStack handle call answering when the team is unavailable?

When the team is unavailable, LobbyStack can still handle all calls. It is equipped to answer complex questions, capture relevant details, and keep the conversation going, ensuring that the business stays connected with its customers 24/7.

Does LobbyStack have a review feature?

Yes, LobbyStack does have a review feature. This feature provides users with the ability to see transcripts, recordings, caller details, and bookings. This gives a comprehensive view of customer interactions.

Can LobbyStack understand the context of a conversation?

LobbyStack is competent at understanding the context of a conversation. This ability is evident in both phone calls and text messages. It not only understands the context but also responds to it in line with company regulations and rules.

Can LobbyStack be integrated into my calendar?

Certainly. LobbyStack offers integration with popular calendar tools. Using such tools, it checks available slots in real-time and schedules appointments accordingly.

Does LobbyStack provide a way to import knowledge from my business resources?

Yes, LobbyStack allows you to import your business's key reference documents and resources. It can learn from websites, PDFs, spreadsheets, service lists, policies, and FAQs which enhances its ability to answer in the right context.

Is LobbyStack open source?

Yes, LobbyStack is indeed open-source. You can host LobbyStack on your own server with full ownership of your customer data, meeting all regulatory standards.

How does LobbyStack manage customer interaction?

LobbyStack manages customer interaction by efficiently answering calls, taking messages, booking appointments and routing urgent calls to the right team. It ensures smooth conversation by answering complex queries and capturing important details. Customers can also interact via text messages, with LobbyStack understanding and responding in line with business rules.

Can LobbyStack send automatic confirmations?

Absolutely. LobbyStack sends automatic confirmations once it books appointments. This is done after checking availability, offering time slots, and scheduling appointments in your calendar.

How does LobbyStack handle urgent call routing?

LobbyStack handles urgent call routing by identifying critical calls and routing them to the appropriate team along with the caller's details and the reasons for the call. This ensures that urgent matters are attended to promptly.

Does LobbyStack offer an option for human handoff?

Yes, LobbyStack does offer a human handoff option. If a customer needs a person, LobbyStack can either transfer the call, take a detailed message with the caller's details and reason for the call, or enable human intervention when required.

Can I see transcripts and recording with LobbyStack?

Yes, with LobbyStack you can see transcripts and recordings. The AI's review feature provides users with transcripts and recordings of calls, along with caller details and bookings, providing a complete record of customer interactions.

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LobbyStack

Overview

Supported features

Key Features

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Raphaël

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Also used for

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Overview

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Key Features

Releases

Raphaël

Pricing

Also used for

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Related topics

Reviews

How would you rate LobbyStack?

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Pros and Cons

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