Wizeb — Voice AI Agents

A phone agent your customers can actually talk to — not just tolerate.

Voice AI has crossed a quality threshold. A well-built voice agent can book appointments, qualify leads, handle enquiries, and make outbound reminder calls with natural, fluent conversation — available 24 hours a day with no hold times. Wizeb builds custom voice AI agents that integrate with your calendar, CRM, and workflows, and that sound like a professional extension of your team.

What we build

Every project starts with your specific problem

These are the most common voice ai agents systems we build. Most projects combine elements from several areas.

Inbound Booking & Enquiry Agents

A voice agent on your website or phone line that greets visitors, understands their needs, checks your live calendar, and books appointments in real time — no redirect, no form, no waiting. The caller books before hanging up.

Outbound Reminder & Re-engagement Calls

AI-powered phone calls that confirm upcoming appointments, chase outstanding items, or re-engage lapsed customers — triggered automatically from your calendar or CRM. A real call cuts through where SMS and email don't.

Lead Qualification by Phone

An outbound or inbound agent that calls fresh leads within minutes, asks the right qualifying questions, scores them, and books meetings for your sales team — running around the clock at the cost of a single subscription.

Built for Usage-Based Efficiency

All our voice ai agents solutions include token optimization as standard — reducing your ongoing API costs by 40-70% through smart routing, caching, and efficient architecture.

Learn about AI Cost Optimization
How We Work

From problem to production

No slide decks, no vague roadmaps. Here's exactly how a project runs from first call to live deployment.

01

Define the conversation

We map every scenario the agent needs to handle — successful bookings, edge cases, objections, and escalations. The conversation design is where the quality of the finished agent is determined.

02

Build the integrations

We connect the agent to your real systems: calendar for live availability, CRM for context, webhooks for notifications. The agent knows what it needs to know before the conversation starts.

03

Voice and personality

We select or clone a voice that fits your brand, tune the pacing, interruption handling, and language style. The agent should feel like a natural extension of your business — not a generic bot.

04

Test with real calls, then deploy

We test against real call scenarios before going live, review transcripts, fix failure modes, and deploy. Post-launch, we monitor conversation quality and improve based on real interactions.

Case Study

What this looks like in practice

A real project, real results. No client name — that's deliberate.

Client Type

Multi-Location Clinic Group

Shipped & live

67% fewer appointment no-shows — and £240K in recovered appointment revenue

The Challenge

"We were losing 20–25% of booked appointments to no-shows every week. Our reception team was already stretched, and following up manually simply wasn't happening."

The Solution

An AI voice reminder system was built to automate the full confirmation cycle — real phone calls 48 and 24 hours before each appointment, automatic attendance confirmation, and immediate rescheduling options for patients who couldn't make it. The system integrated directly with the existing practice management software.

Key Results

  • 67%Reduction in appointment no-shows
  • £240KRecovered appointment revenue in 12 months
  • 3.1hAdmin time saved per site, per day
Technologies We Use

Model-agnostic. Stack-agnostic.

We pick what's right for the problem — not the most impressive-sounding name.

ElevenLabs Conversational AIVoice platform
Retell AIVoice platform
Claude (Anthropic)LLM
GPT-4oLLM
cal.com / cal.idCalendar
TwilioTelephony
Netlify FunctionsBackend
Webhooks / REST APIsIntegration
Common Questions

Things people ask before starting

Work with Wizeb

Ready to build something?

Tell us about the problem. We'll come back with a realistic picture of what's possible, what it costs, and how fast it can be running.