callium
AI Employee · Voice · WhatsApp · Telegram · SMS · Chat

Every missed call is
$0
walking out your door.

Callium builds a fully custom AI voice agent for your business — custom code, dedicated encrypted servers, automated workflows, and omnichannel deployment across voice, WhatsApp, Telegram, SMS and webchat. Not a platform. Not a chatbot. A real AI employee built specifically for you.

Schedule a real call with our team · Hear the AI answer live right now · Read the full product details
<400ms Real-time response
<1% Hallucination rate
99.9% Uptime
2 wks To go live
AI answering · 00:08
Callium AI
Sun Valley HVAC
"Hi! I can book a tech today at 2PM. Does that work?"
"Perfect, 2PM works!"
✓ Appointment booked
💬 WhatsApp reply · 4s
✈️ Telegram bot · live
Appointment booked
Connects with your existing tools
HubSpot
Salesforce
12 Google Cal
Calendly
GoHighLevel
Zoho
n8n
Zapier
Twilio
WhatsApp
ElevenLabs
Revenue Calculator

Find out how much you're
losing to missed calls right now.

Takes 10 seconds. Most business owners are shocked.

25/day
40%
You're losing every month
$0
$0/year
Callium pays for itself in — days
Stop Losing This Revenue → See full breakdown with detailed calculator →
Omnichannel AI

One AI employee.
Every channel your customers use.

Your customers reach out by phone, WhatsApp, or chat. Your AI employee is already there — same intelligence, same 24/7 availability, every time.

Phone Calls

Answers in under 3 seconds, 24/7. Qualifies, books, handles support.

<400ms real-time

WhatsApp

Instant replies, booking confirmations, and follow-ups via WhatsApp.

4s avg reply

Telegram

Full AI bot with menus, buttons, and instant responses on Telegram.

24/7 automated

SMS

Automated reminders, confirmations, and two-way SMS conversations.

No app needed

Webchat

AI chat widget on your site — converts visitors into booked leads.

On your website
The Problem

Your competitors answer faster.
That's why they're winning.

68%
Calls go unanswered

More than half your inbound calls go to voicemail. Most callers don't leave a message — they call your competitor instead.

78%
Leads go to first responder

78% of customers choose the first business that responds. If you answer in 4 hours, you've already lost to whoever answered in 30 seconds.

63%
Inquiries after business hours

More than half your potential customers reach out evenings and weekends. Zero coverage means zero chance of capturing those leads.

Callium fixes all three — permanently. See how →
Live Demo

Hear it handle a real call.
2 minutes. No script. Just AI.

Watch Callium answer an HVAC emergency call, qualify the lead, and book a same-day appointment — all without a human involved.

HVAC Demo — Real AI Call
📞 Incoming call · 🧠 AI qualifies lead · 📅 Appointment booked
Try Live AI Call Instead
~2 min demo call · <400ms AI response · 0 humans involved
How It Works

Not a platform you configure.
A system we engineer for you.

Every Callium deployment is a custom-built, production-grade AI system — with real infrastructure, real security, and real automation behind it.

01
📋

Deep-Dive Discovery

60–90 minute session. We map your entire call workflow, CRM, tools, compliance needs, and goals.

02
⚙️

We Engineer It

Custom code. Not a template. We build your AI agent, dedicated encrypted servers, backup failover, CRM integrations, and workflows.

03

You Test & Approve

Call your own AI employee. Test edge cases. Request changes. We iterate until every response is perfect.

04
🚀

Go Live + Optimize

We monitor your first live week, review recordings, and tune performance. Monthly optimization included.

What we build for you

Enterprise-grade infrastructure.
SMB-friendly pricing.

This is what separates Callium from every "give you a login and good luck" platform on the market.

🔧
Custom-coded AI agent
No templates. Your script, your voice, your qualification logic — built and tested by our team.
🔒
AES-256 encrypted infrastructure
All call data, transcripts, and customer info encrypted at rest and in transit.
🖥️
Dedicated server per client
Not shared infrastructure. Your deployment runs isolated on its own dedicated server.
🔄
Backup failover server
Automatic failover if primary goes down. Your AI never stops answering, even during outages.
Real-time response — <400ms
Premium real-time model. No delays, no lag. Conversations feel completely natural.
🧠
RAG knowledge base
Grounded in your verified business data. Under 1% hallucination rate guaranteed.
🔗
CRM + calendar integration
HubSpot, Google Calendar, Calendly, custom webhooks — every booking syncs in real time.
📊
Analytics & reporting
Monthly reports on call volume, booking rates, lead quality, and full ROI metrics.
Transparent Pricing

No hidden fees.
No lock-in contracts.
Just results.

One setup fee covers everything. One monthly plan covers usage. Overage at a flat rate. That's it.

Starter
$297 one-time setup
$149/mo
300 minutes included
Scale
$497 one-time setup
$449/mo
2,000 minutes included
See Full Pricing & Compare Plans →

Ready to stop losing
revenue to missed calls?

Three ways to get started — pick whatever feels right for you.

📅
Book a Strategy Call
30 min with our team. We'll map your setup and show you exactly what we'd build for you. No commitment.
Book a Call →
📖
Explore the Product
Read the full technical breakdown — how we build it, what's included, pricing plans, and the 1% hallucination guarantee.
See AI Employee →

Setup fee + flexible monthly plans · Full custom build · Live in ~2 weeks · No lock-in contracts