Reply to missed calls and book appointments with Twilio, Google, and GPT-4o
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 16 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects Twilio, Google Sheets, OpenAI Chat Model and Google Calendar.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).
- CONFIG - Phone (Edit Fields (Set)): sets 5 fields: business_name, booking_link, owner_phone…
- CONFIG - Voice (Edit Fields (Set)): sets 5 fields: business_name, owner_phone, twilio_number…
- If: checks a condition and branches into true / false
- Extract Booking - Info Extractor (Information Extractor): extracts structured fields from text with AI, with model: Chat Model - Booking
- Text Back Caller - Twilio (Twilio): send (sms)
- If: checks a condition and branches into true / false
- Log Missed Call - Sheets (Google Sheets): append (sheet)
- Build Event Times - Code (Code): runs custom JavaScript code
- Log Call - Sheets (Google Sheets): append (sheet)
- Alert Owner - Twilio (Twilio): send (sms)
…plus 3 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - If
n8n-nodes-base.if - Twilio
n8n-nodes-base.twilio - Google Sheets
n8n-nodes-base.googleSheets - Information Extractor
@n8n/n8n-nodes-langchain.informationExtractor - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Code
n8n-nodes-base.code - Google Calendar
n8n-nodes-base.googleCalendar
From the author
Quick overview Never miss a lead again: this workflow texts back missed callers via Twilio SMS and turns voice AI call summaries into Google Calendar bookings — with Sheets logging and owner alerts. How it works 1. Twilio call-status webhooks arrive here;…