AI Voice Agents Service Businesses

Meet the AI Voice Agent That Works While You Sleep

VAPI · GoHighLevel CRM · Real-Time Call Handling

Most businesses lose revenue between calls. A potential client calls after hours, no one answers, they move to the next option — the lead is gone forever. AI voice agents solve this by handling inbound and outbound calls, qualifying leads in real time, booking appointments, and logging every interaction into the CRM — 24/7, without a human in the loop.

AI Voice Agents Case Study
Vapi
Make.com
GoHighLevel
VAPI · GoHighLevel · Make.com
Industries
Home Services, Healthcare, Legal
Focus
Lead Qualification
Primary Tech
VAPI + GoHighLevel
Result
3× more qualified leads
The Challenge

The problem was systemic —
not superficial.

Every missed call was a lost opportunity. Every after-hours enquiry was an unanswered question. The phone was ringing — but no one was there.

Hiring more staff to cover after-hours calls isn't a system — it's a cost. AI voice agents replace the problem entirely rather than masking it.

Stack
Vapi
GoHighLevel
Make.com
Missed calls after hours
Leads called outside business hours, got voicemail, and moved to a competitor. Every missed call was a qualified prospect that never came back.
No lead qualification system
When calls were answered, there was no structured qualification — reps spent time on unqualified enquiries while high-intent leads waited on hold.
Manual CRM logging
Every call had to be manually logged into the CRM. Reps forgot details, skipped notes, and follow-up actions were inconsistent and delayed.
Inconsistent follow-up
No standardised follow-up sequence. Some leads received callbacks within the hour, others waited days — with no logic or automation behind the difference.
Our Approach

Systematic. Deliberate. Built to last.

01
Call Flow Architecture
Mapped every inbound and outbound call scenario — identifying qualification questions, objection responses, escalation logic, and booking triggers for each business type.
02
AI Agent Configuration
Built conversational AI agents on VAPI with natural language processing, dynamic context handling, and tone calibrated to match each client's brand — not a generic bot.
03
CRM & Automation Integration
Every call outcome logged to GoHighLevel automatically — lead score, qualification status, next action, and transcript. No manual entry. Pipeline updated in real time.
04
Follow-Up Sequence Deploy
Post-call sequences deployed via Make.com — SMS, email, and booking confirmations triggered automatically within seconds of every AI interaction.
The Solution

Built to run without us in the room.

A full AI communication system — inbound handling, outbound qualification, CRM sync, and follow-up sequences running 24/7 without human intervention.

AI Receptionist (Inbound)
Answers every call instantly — 24/7, after hours, weekends. Greets callers naturally, captures intent and qualifying information, and routes or books without any human involvement.
Outbound AI Caller
Calls leads from the CRM list — qualifies interest, handles objections, and books appointments. Runs in parallel across 100+ leads simultaneously with no scheduling overhead.
Real-Time CRM Sync
Every call auto-logged to GoHighLevel — lead qualification score, conversation summary, next action, and full transcript. Pipeline stages update live. Zero manual entry required.
Automated Follow-Up Sequences
Immediate post-call SMS, booking confirmation, and email sequences triggered via Make.com — contextualised to the conversation outcome, not generic templates.
Stack: VAPI GoHighLevel Make.com Twilio Cal.com
The Work

Screenshots from the build.

Vapi dashboard — AI receptionist handling inbound calls with live qualification logic

Results & Impact

Businesses stopped losing revenue to missed calls and started capturing every lead automatically.

3×
More Qualified Leads
Per same call volume
24/7
Call Coverage
No after-hours gaps
Instant
CRM Updates
Zero manual logging
↓ Cost
Per Lead Acquired
vs. human receptionist
Higher
Booking Rate
Immediate scheduling
Zero
Missed Enquiries
Every call handled
3× more qualified leads captured from the same inbound call volume
Zero missed calls after hours — every enquiry answered and logged automatically
Higher booking rates — AI agents schedule appointments within the conversation
Reduced cost per lead acquired vs. dedicated human receptionist coverage
CRM pipeline updated in real time — no manual logging, no missed follow-up actions
Work Showcase

A closer look at delivery.

stunn.io

Vapi dashboard — AI receptionist handling inbound calls with live qualification logic

1 / 1

"The phone is the highest-intent channel you have. Every missed call is a decision your competitor gets to make for you."

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