Turn unanswered calls into booked work
LobbyStack answers when your team cannot, captures what the caller needs, and helps them book or request a callback.
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LobbyStack turns missed calls into booked work.
LobbyStack is an open-source AI receptionist that answers calls, qualifies leads, and books appointments 24/7. Use it for every inbound call, or just the ones you miss when your team is busy.
No credit card required
Ready when you are
Turn missed calls into booked work
LobbyStack captures what callers need, books appointments when they are ready, and routes urgent calls with context.
Send the right calls to your team
LobbyStack can answer routine calls, take a message, or route urgent conversations to your team with the caller's details and reason attached.
Handle every call, lead, and booking automatically
Answer questions, qualify new customers, book appointments, capture follow-up details, and route urgent calls with context.
Answers every call
LobbyStack can answer all calls, or only when you're unavailable. It answers complex questions, captures details, and keeps the conversation moving.
Books appointments
Connect your calendar and LobbyStack will check availability, offer time slots, book appointments, and send confirmations automatically.
Captures every detail
LobbyStack collects names, contact info, service needs, timing, and next steps so your team can follow up with context.
Transfers when needed
When a customer needs a person, LobbyStack can transfer the call or take a clear message with the caller's details and reason for calling.
Answers from everything your business knows
Import your website, PDFs, documents, spreadsheets, service lists, policies, and FAQs so LobbyStack can answer with the same context your team uses every day.
AI receptionist for teams who care about response quality
Cover the phone without giving up the details, judgment, and follow through that customers notice.
Answering
A receptionist that picks up when you need it to
Let LobbyStack answer every call, or only step in when your team is busy, after hours, or unable to pick up.
Booking
Appointments booked without the back-and-forth
Offer available times, confirm appointments, and send follow-up details without manual back-and-forth.
Handoff
Human handoff when a call needs it
Route urgent or unusual calls to a human with the caller's reason, contact details, and conversation context attached.
Launch your AI receptionist in minutes
Set up the receptionist once, then refine how it answers, books, routes, and summarizes as your business grows.
01
Connect your phone
Use a new local number or forward calls from the business number customers already call.
02
Add your knowledge
Import your website, files, services, FAQs, hours, policies, and the details callers ask about most.
03
Set the rules
Decide when LobbyStack should answer, book appointments, take a message, or hand the call to a person.
04
Go live
LobbyStack starts answering calls, helping customers, and sending confirmations and summaries automatically.
Keep control of every call
LobbyStack handles routine conversations, but your team decides what it knows, what it can do, and when the call should come back to a person.
Control what your AI receptionist can say
Update services, pricing, policies, FAQs, and instructions whenever your business changes, without waiting on a developer.
Review every call in one place
See recordings, transcripts, summaries, caller details, bookings, and next steps without digging through voicemails or scattered notes.
Start free. Upgrade when calls grow.
Try LobbyStack with included usage, then move to Starter or Pro when you are ready for production call coverage.
Free
$0
30 voice minutes, 10 alert SMS segments, 2 outbound call attempts, and all features.
Starter
$30/mo
150 voice minutes, 50 alert SMS segments, 20 outbound call attempts, and email support.
Pro
Most Popular$100/mo
500 voice minutes, 200 alert SMS segments, 100 outbound call attempts, and priority email support.
Enterprise
Custom
Higher volume, multiple numbers, multi-location routing, custom fallback rules, and self-hosting implementation support.
View pricing details
No credit card required to start.
Proudly open-source, self-hosted
Host LobbyStack on your own server. Own your customer data and stay fully compliant with regulatory standards.
Learn more about AI receptionists
Guides, calculators, and comparisons to help you evaluate call coverage before you go live.
Common questions
Can I customize my AI receptionist's greeting and tone?
Yes. LobbyStack lets you customize the greeting, tone, business instructions, and call handling rules so your AI receptionist sounds aligned with your brand.
What happens when a caller asks something unusual?
You define the fallback behavior. LobbyStack can take a message, offer to connect the caller to your team, send a follow-up text, or schedule a callback.
Can LobbyStack book appointments directly into my calendar?
Yes. LobbyStack can check availability, offer appointment times, book the appointment, and send confirmation details to the caller.
Can the AI receptionist send a call summary to my phone?
Yes. You can receive an SMS or email summary after a call with the caller's details, reason for calling, outcome, and next step.
What types of calls should still go to a human?
LobbyStack is a strong fit for routine questions, bookings, intake, and lead qualification. Complex negotiations, sensitive situations, urgent cases, and specialized troubleshooting can be transferred to your team.
Is LobbyStack open source?
Yes. LobbyStack is an open-source AI receptionist. You can use LobbyStack Cloud for a hosted setup or self-host the stack when you want more control over infrastructure and customer data.
How much does an AI receptionist cost?
LobbyStack starts free with 30 voice minutes per month. Paid plans begin at $30 per month for Starter and $100 per month for Pro, with usage-based overages. Enterprise pricing is available for higher volume, multiple locations, and self-hosted support.
How is LobbyStack different from a call tree or voicemail?
A call tree pushes callers through rigid menus, and voicemail asks them to wait for a callback. LobbyStack answers naturally, uses your business knowledge, can book appointments during the call, and sends your team a summary with context instead of a raw message.
Never miss another ready-to-book caller
Get started for free with 30 minutes included per month.
No credit card required. Cancel anytime.