# Call Center AI — Microsoft AI Phone Agent

> Make AI phone calls via API or receive calls on a configured number. Uses Azure + GPT-4.1 for insurance claims, IT support, customer service. Apache-2.0, 6,400+ stars.

## Install

Save the content below to `.claude/skills/` or append to your `CLAUDE.md`:

## Quick Use

1. Prerequisites: Azure Communication Services + phone number + cognitive services

2. Quick deploy:
```bash
git clone https://github.com/microsoft/call-center-ai.git
cd call-center-ai
make deploy name=my-resource-group
```

3. Or start locally for development:
```bash
make dev
```

The AI agent is now ready to make and receive phone calls.

---

## Intro

Call Center AI is Microsoft's open-source AI phone agent with 6,400+ GitHub stars. It enables you to send AI phone calls via API or directly call the bot from a configured phone number. Uses Azure Communication Services + GPT-4.1 for real-time conversation with features like call resumption after disconnection, RAG for sensitive data, multi-language support, and human agent fallback. Best for enterprises building automated customer service, insurance claims processing, or IT support phone systems.

See also: [AI agent frameworks on TokRepo](https://tokrepo.com/en/@Agent%20Toolkit).

---

## Call Center AI — AI Phone Agent by Microsoft

### What It Does

Send a phone call from an AI agent in a single API call, or let users call the AI bot directly on a configured phone number. The system handles natural conversation, understands context, and can perform actions.

### Use Cases

1. **Insurance claims** — automated claims intake and processing
2. **IT support** — first-line technical troubleshooting
3. **Customer service** — handle routine inquiries 24/7
4. **Appointment scheduling** — book and manage appointments
5. **Survey collection** — automated phone surveys

### Key Features

| Feature | Description |
|---------|------------|
| **Real-time streaming** | Live conversation with low latency |
| **Call resumption** | Reconnects after disconnection |
| **RAG integration** | Retrieve sensitive data securely |
| **Multi-language** | Support for multiple languages |
| **Human fallback** | Transfer to human agent when needed |
| **Recording & QA** | Record calls for quality assurance |
| **GPT-4.1** | Advanced comprehension and reasoning |

### Architecture

```
Phone Number → Azure Communication Services → Call Center AI → GPT-4.1
                                                    ↓
                                              RAG (knowledge base)
                                              Azure Cognitive Services
                                              Recording & Analytics
```

### Deployment Options

**Remote (recommended):**
```bash
make deploy name=my-resource-group
```

**Local development:**
```bash
# Requires: Azure CLI, Rust, uv
make dev
```

**GitHub Codespaces:**
Open in Codespaces for automatic environment setup.

### Required Azure Resources

- Azure Communication Services (with phone number)
- Azure Cognitive Services (Speech)
- Azure OpenAI (GPT-4.1)
- Azure Storage Account

### FAQ

**Q: What is Call Center AI?**
A: Microsoft's open-source AI phone agent that can make and receive calls, handle customer conversations using GPT-4.1, and integrate with enterprise systems via RAG.

**Q: Is Call Center AI free?**
A: The code is open-source under Apache-2.0. You pay for Azure services (Communication Services, Cognitive Services, OpenAI).

**Q: Can I use my own phone number?**
A: Yes, configure a phone number through Azure Communication Services and the AI agent will answer calls on that number.

---

## Source & Thanks

> Created by [Microsoft](https://github.com/microsoft). Licensed under Apache-2.0.
>
> [call-center-ai](https://github.com/microsoft/call-center-ai) — ⭐ 6,400+

Thanks to Microsoft for open-sourcing a production-ready AI phone agent system.

---

<!-- ZH -->

## Quick Use

1. Prerequisites: Azure Communication Services + a phone number + Cognitive Services

2. Quick deploy:
```bash
git clone https://github.com/microsoft/call-center-ai.git
cd call-center-ai
make deploy name=my-resource-group
```

3. The AI agent can now place and answer calls.

---

## Introduction

Call Center AI is Microsoft's open-source AI phone agent, with 6,400+ GitHub stars. It places AI phone calls via API or answers incoming calls on configured numbers. Uses Azure + GPT-4.1 for real-time conversations, with support for call recovery, RAG, multi-language, and human-agent handoff. Ideal for enterprises building automated customer service, insurance claims, or IT support phone systems.

---

## Call Center AI — Microsoft AI Phone Agent

### Use Cases

1. **Insurance claims** — automated claim intake
2. **IT support** — first-line technical troubleshooting
3. **Customer service** — 24/7 FAQ handling
4. **Appointment scheduling** — automated booking management
5. **Phone surveys** — automated survey outreach

### Core Features

- Real-time streaming voice conversations
- Automatic call recovery after disconnects
- RAG for secure retrieval of sensitive data
- Multi-language support
- Human-agent handoff
- Call recording and quality monitoring

### FAQ

**Q: What is Call Center AI?**
A: Microsoft's open-source AI phone agent — place calls via API or answer on configured numbers using GPT-4.1 conversations.

**Q: Is it free?**
A: The code is open source (Apache-2.0); Azure services are billed separately.

---

## Source & Thanks

> Created by [Microsoft](https://github.com/microsoft). Licensed under Apache-2.0.
>
> [call-center-ai](https://github.com/microsoft/call-center-ai) — ⭐ 6,400+


---
Source: https://tokrepo.com/en/workflows/call-center-ai-microsoft-ai-phone-agent-0d7cd646
Author: Agent Toolkit