> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ringee.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Welcome to the Ringee documentation

<Note>
  YouTube Tutorials: [https://youtube.com/@RingeeOfficial](https://youtube.com/@RingeeOfficial)
</Note>

## What is Ringee?

Ringee is your **open-source global calling & communication infrastructure** — an alternative to expensive VoIP providers, up to **50× cheaper** than traditional phone rates.

Make and receive crystal-clear calls to **180+ countries**, manage contacts, record calls, and scale your sales team — right from your browser.

* 📞 **Global Calls** — Call landlines and mobile phones in 180+ countries. No apps, no SIM cards needed.
* 🔊 **WebRTC Telephony** — Powered by Telnyx WebRTC for crystal-clear, low-latency voice.
* 🎙️ **Call Recording** — Record conversations for quality assurance, training, or compliance.
* 👥 **Contact Management** — Import thousands of contacts via CSV, organize with tags, search instantly.
* 📊 **Team Analytics** — See your whole team's calling metrics: calls per day, per month, per agent.
* 💰 **Cost Effective** — Buy numbers from 180+ countries at a fraction of the cost.
* 🏗️ **Open Source** — Self-host the entire infrastructure, or use our hosted service.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Get Ringee up and running in under 5 minutes
  </Card>

  <Card title="How it works" icon="diagram-project" href="/howitworks">
    Learn the architecture behind Ringee
  </Card>
</CardGroup>

## Tech Stack

| Layer             | Technology                                      |
| ----------------- | ----------------------------------------------- |
| **Monorepo**      | pnpm workspaces                                 |
| **Frontend**      | Next.js (React) — B2B admin + B2C consumer apps |
| **Backend**       | NestJS (REST & Webhooks)                        |
| **Worker**        | NestJS background job processor                 |
| **Database**      | PostgreSQL with Prisma ORM                      |
| **Cache**         | Redis                                           |
| **Telephony**     | Telnyx WebRTC                                   |
| **Auth**          | Clerk                                           |
| **Payments**      | Stripe                                          |
| **Notifications** | Firebase Cloud Messaging                        |
| **Storage**       | Cloudflare R2                                   |
| **Email**         | Resend                                          |

## Use Cases

Perfect for building your own:

* **Scalable VoIP infrastructure**
* **Cold calling platform**
* **Call center solution**
* **Sales team communication hub**

<Info>
  At the moment there is no difference between the hosted version and the self-hosted version.
  Built for automation — integrate with your existing tools via the REST API.
</Info>