---
url: "https://xcademia.com/courses/ai-voice-agents-retell-ai-elevenlabs"
title: "AI Voice Agents (Retell AI & ElevenLabs)"
description: " Learn AI voice agents, SIP integration, conversation design and deployment in this mentor-led practical training programme."
publishedAt: "2026-03-20T11:53:31.073616+00:00"
updatedAt: "2026-03-30T22:50:53.7265+00:00"
type: course
code: "FSE-0049"
level: Practitioner
duration_days: "3"
track: "AI Agents & Multiagent Systems "
category: "AI, Data & Analytics"
credential_tier: tier1
price_gbp: "1999"
---

# AI Voice Agents (Retell AI & ElevenLabs)

> Learn how to build AI voice agents for inbound and outbound use cases with real-time interactions. This mentor-led programme uses practical scenarios to design conversation flows, integrations and deploy production-ready systems.

## Overview

AI voice agents are transforming customer interaction by enabling automated, natural conversations across inbound and outbound channels. Organisations are increasingly adopting voice AI to improve responsiveness, reduce operational load, and enhance user experience.

This programme focuses on building AI voice agents using tools such as Retell AI and ElevenLabs. Participants learn how to configure SIP connections, design conversation flows, implement fallback logic, and integrate voice systems with business workflows and APIs.

Delivered as a mentor-led programme using practical scenarios, this course provides hands-on experience in creating, testing, and deploying production-ready voice agents that operate reliably in real business environments.

## Prerequisites

- Basic understanding of APIs or automation tools.
- Familiarity with AI or conversational systems.
- Interest in voice and communication technologies.

## What you will learn

- Analyse voice AI system architectures
- Design conversational flows for voice agents
- Implement SIP and telephony integrations
- Evaluate agent performance and reliability
- Communicate system design and user experience
- Deploy production-ready voice AI systems

## Skills you will gain

- Voice agent architecture basics
- SIP and telephony integration
- Conversation flow design
- Voice synthesis configuration
- Fallback logic strategies

## Career progression

- AI Voice Engineer
- Automation Developer
- Conversational AI Designer
- Product Engineer
- Solutions Engineer

## Curriculum

1. **Module 1: Getting Ready**
   - Introduction to AI voice agents
   - Tools setup and environment overview
2. **Module 2: Foundations of Voice AI Systems**
   - How voice agents work
   - Components of voice pipelines
   - Use cases for inbound and outbound calls
3. **Module 3: Retell AI and ElevenLabs Setup**
   - Platform capabilities and features
   - Voice synthesis and configuration
   - Integrating APIs and services
4. **Module 4: SIP Configuration and Telephony Integration**
   - SIP fundamentals and setup
   - Connecting to telephony systems
   - Managing call flows and routing
5. **Module 5: Conversation Flow Design**
   - Designing conversational journeys
   - Intent handling and branching logic
   - Managing interruptions and edge cases
6. **Module 6: Fallback Logic and Reliability**
   - Handling failures and misunderstandings
   - Designing fallback responses
   - Ensuring robustness and continuity
7. **Module 7: Workflow Integration and Automation**
   - Connecting voice agents to backend systems
   - CRM and API integrations
   - Automating business processes
8. **Module 8: Testing and Production Deployment**
   - Testing voice agents in real scenarios
   - Monitoring and performance evaluation
   - Deploying and scaling in production

## Exam & certification

You will receive an Xcademia certificate of completion based on participation and successful completion of labs and scenario simulations.

## Delivery options

- **Live Online** — Join live instructor-led sessions from anywhere. Interactive, engaging, and flexible.
- **Onsite Training** — We come to you. Training delivered at your workplace for teams of 6 or more.
- **Venue-Based** — Classroom training at a professional venue. Ideal for focused, immersive learning.
- **Blended** — Combine online and in-person learning for maximum flexibility and impact.

## Frequently asked questions

**Who should attend this course?**

Developers, automation professionals, and anyone building conversational AI or voice systems.



**Do I need telephony experience?**

No, SIP and telephony basics are covered during the course.



**Will I build real voice agents?**

Yes, participants create and deploy working voice agents in practical scenarios.



**Are integrations with business systems included?**

Yes, including APIs and workflow integrations.



**What certificate will I receive?**

Participants receive an Xcademia Practitioner Certificate upon completion.

## Course at a glance

| Field | Value |
| --- | --- |
| Code | FSE-0049 |
| Duration | 3 days |
| Level | Practitioner |
| Track | AI Agents & Multiagent Systems  |
| Category | AI, Data & Analytics |
| Credential tier | tier1 |
| Price (GBP) | £1999 |

---

## About this content

This Markdown course profile is the citation-grade twin of [AI Voice Agents (Retell AI & ElevenLabs)](https://xcademia.com/courses/ai-voice-agents-retell-ai-elevenlabs). It is published by **Xcademia** (UK Companies House 12322710) and is available for AI search engines and large language models to index, summarise, and cite.

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