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Edishan Lee TenorioAI Automation Specialist & CRM DeveloperSoftware Engineer · Full-Stack Developer · Mobile Developer

FeaturedW01 · Voice AI · n8n + GoHighLevel

AI Voice Receptionist & Missed-Call Text-Back for GoHighLevel

A missed-call text-back automatically texts anyone whose call goes unanswered, so the lead hears back in seconds instead of calling a competitor. This build adds an AI voice receptionist that calls back after hours and books the appointment into GoHighLevel.

Get this built for youHow it works
For
Local service businesses: dental, med spa, HVAC
Built in
n8n + GoHighLevel
Stages
5 stages, 16 nodes
n8n canvas: missed-call webhook, business-hours check, GoHighLevel contact upsert and instant text-back SMS, Slack alert or AI callback, then appointment booking and call-summary logging.Open full size ↗ (opens the workflow screenshot in a new tab)
The production n8n canvas · open full size to read every node

01The problem

Local service businesses miss calls every day: during appointments, at lunch and after hours. Each missed call is a lead that may book with whoever picks up first.

02How it works

  1. 01

    Capture the missed call

    Twilio or GoHighLevel posts every unanswered call to a webhook, and the caller's details are normalised.

    • Missed Call Webhook
    • Normalize Caller
  2. 02

    Save the lead and text back instantly

    Business hours are checked, the contact is created or updated in GoHighLevel, and the caller gets an SMS within seconds.

    • Check Business Hours
    • GHL Upsert Contact
    • Instant Text-Back SMS
  3. 03

    Route the callback

    If the business is open, the front desk is pinged on Slack to call back. If it's closed, the AI receptionist calls the lead back.

    • Business Open?
    • Alert Front Desk
    • AI Callback
  4. 04

    AI call results come back

    When the AI call ends, the transcript summary and structured booking data are sent back and parsed.

    • End-of-Call Webhook
    • Parse Call Report
    • Appointment Booked?
  5. 05

    Book or escalate, then log everything

    A booked call becomes an appointment in the GoHighLevel calendar with a confirmation SMS. An unbooked call is tagged for follow-up and the team is alerted. Every call summary is saved as a note on the contact.

    • GHL Book Appointment
    • Booking Confirmation SMS
    • Tag Needs Follow-up
    • Alert Team
    • GHL Log Call Summary

03Built to fail safely

  • Business-hours check: humans call back when the office is open, the AI only after hours
  • Calls the AI couldn't book are tagged and escalated to the team, never dropped
  • Every call summary is logged on the contact for a full history

Outcome. No caller goes unanswered, and every booking lands in the calendar with a summary attached.

04Stack

  • n8n
  • GoHighLevel
  • Vapi
  • ElevenLabs
  • Twilio
  • Slack

FAQ

Questions about this workflow.

01What happens when the business is open?

The front desk gets a Slack alert to call the lead back personally. The AI receptionist only calls back outside business hours.

02What if the AI receptionist doesn't book an appointment?

The contact is tagged for follow-up and the team is alerted. The call summary is still saved on the contact, so whoever calls back has the context.

03Does it work with an existing GoHighLevel account?

Yes. It connects through the GoHighLevel API using your location and calendar, and texts go out through Twilio.

Next step

Want this workflow in your business?

Tell me how leads, bookings and follow-ups work today. I'll map where this workflow fits, what it connects to, and what it should be measured by.

Book a strategy calledishanleetenorio03@gmail.com