LobbyStack
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Introduction
LobbyStack is open-source AI receptionist software for small businesses, providing 24/7 phone answering, lead qualification, appointment booking, and call routing.
Listed on
July 27, 2026
What is LobbyStack?
LobbyStack is an open-source AI receptionist software designed for small businesses. It answers phone calls, qualifies leads, and books appointments automatically, ensuring no call goes unanswered. The software can be used for every inbound call or only when the team is busy, and it integrates with calendars and business knowledge to provide accurate responses.
How to use LobbyStack?
- To use LobbyStack, start by connecting your phone via a new local number or forwarding existing calls. Then import your business knowledge such as website content, FAQs, and policies. Set rules for when LobbyStack should answer, book appointments, or transfer calls. Finally, go live and monitor calls through recordings, transcripts, and summaries.
Core features of LobbyStack
- AI phone answering with 24/7 availability
- Appointment booking with calendar integration
- Lead qualification and detail capture
- Call routing and human handoff with context
- Outbound calls for follow-ups and reminders
- Knowledge import from website, PDFs, and documents
- Call review with recordings, transcripts, and summaries
- Workflow building with natural language instructions
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