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The world's first 🌐 decentralized and 🤝 federated video conferencing solution
powered by **the Matrix protocol**.
## 📌 Overview
**Element Call** is a native Matrix video conferencing application developed by
@@ -26,38 +25,36 @@ with **[LiveKit](https://livekit.io/)** as its backend.
You can find the latest development version continuously deployed to
[call.element.dev](https://call.element.dev/).
> [!NOTE]
> [!NOTE]
> For prior version of the Element Call that relied solely on full-mesh logic,
check [`full-mesh`](https://github.com/element-hq/element-call/tree/full-mesh)
branch.
> check [`full-mesh`](https://github.com/element-hq/element-call/tree/full-mesh)
> branch.
## ✨ Key Features
**Decentralized & Federated** No central authority; works across Matrix
homeservers.
**End-to-End Encrypted** Secure and private calls.
**Standalone & Widget Mode** Use as an independent app or embed in Matrix
**Standalone & Widget Mode** Use as an independent app or embed in Matrix
clients.
**WebRTC-based** No additional software required.
**Scalable with LiveKit** Supports large meetings via SFU
**Scalable with LiveKit** Supports large meetings via SFU
([MSC4195: MatrixRTC using LiveKit backend](https://github.com/hughns/matrix-spec-proposals/blob/hughns/matrixrtc-livekit/proposals/4195-matrixrtc-livekit.md)).
**Raise Hand** Participants can signal when they want to speak, helping to
organize the flow of the meeting.
**Emoji Reactions** Users can react with emojis 👍️ 🎉 👏 🤘, adding
engagement and interactivity to the conversation.
engagement and interactivity to the conversation.
## 🚀 Deployment Options
Element Call can be packaged in two ways:
**Full Package** Supports both **Standalone** and **Widget** mode. Hosted as
a static web page and accessed via a URL when used as a widget.
a static web page and accessed via a URL when used as a widget.
**Embedded Package** Designed for **Widget mode** only. Bundled with a
messenger app for seamless integration. This is the recommended method for
embedding Element Call into a messenger app.
messenger app for seamless integration. This is the recommended method for
embedding Element Call into a messenger app.
### Standalone mode
@@ -67,7 +64,6 @@ In Standalone mode Element Call operates as an independent, full-featured video
conferencing web application, allowing users to join or host calls without
requiring a separate Matrix client.
### Widget mode embedded in Messenger Apps
![Element Call in Widget Mode](./docs/element_call_widget.drawio.png)
@@ -82,13 +78,11 @@ and voice calls within Matrix rooms.
> [!IMPORTANT]
> Embedded packaging is recommended for Element Call in widget mode!
## 🛠️ Self-Hosting
For operating and deploying Element Call on your own server, refer to the
[**Self-Hosting Guide**](./docs/self-hosting.md).
## 🧭 MatrixRTC Backend Discovery and Selection
For proper Element Call operation each site deployment needs a MatrixRTC backend
@@ -103,14 +97,16 @@ MatrixRTC backend (according to
[MSC4143](https://github.com/matrix-org/matrix-spec-proposals/pull/4143))
is announced by the homeserver's `.well-known/matrix/client` file and discovered
via the `org.matrix.msc4143.rtc_foci` key, e.g.:
```json
"org.matrix.msc4143.rtc_foci": [
{
"type": "livekit",
"livekit_service_url": "https://someurl.com"
},
]
```
```json
"org.matrix.msc4143.rtc_foci": [
{
"type": "livekit",
"livekit_service_url": "https://someurl.com"
},
]
```
where the format for MatrixRTC using LiveKit backend is defined in
[MSC4195](https://github.com/hughns/matrix-spec-proposals/blob/hughns/matrixrtc-livekit/proposals/4195-matrixrtc-livekit.md).
In the example above Matrix clients do discover a focus of type `livekit` which
@@ -135,7 +131,6 @@ selection for **Matrix rooms 123 and 456**, which include users from different
homeservers.
![Element Call SFU selection over Matrix federation](./docs/SFU_selection.drawio.png)
## 🌍 Translation
If you'd like to help translate Element Call, head over to
@@ -143,7 +138,6 @@ If you'd like to help translate Element Call, head over to
the [Element Translators](https://matrix.to/#/#translators:element.io) space to
discuss and coordinate translation efforts.
## 🛠️ Development
### Frontend
@@ -161,10 +155,10 @@ To use it, create a local config by, e.g.,
The `config.devenv.json` config should work with the backend development
environment as outlined in the next section out of box.
> [!NOTE]
> [!NOTE]
> Be aware, that this `config.devenv.json` is exposing a deprecated fallback
LiveKit config key. If the homeserver advertises SFU backend via
`.well-known/matrix/client` this has precedence.
> LiveKit config key. If the homeserver advertises SFU backend via
> `.well-known/matrix/client` this has precedence.
You're now ready to launch the development server:
@@ -199,7 +193,6 @@ yarn backend
<img src="https://codecov.io/github/element-hq/element-call/graphs/tree.svg?token=O6CFVKK6I1"></img>
### Add a new translation key
To add a new translation key you can do these steps:
@@ -220,14 +213,13 @@ To add a new translation key you can do these steps:
1. Update the skeleton entry in the `locales/en/app.json` file with the English
translation:
```jsonc
{
...
"some_new_key": "Some new key",
...
}
```
```jsonc
{
...
"some_new_key": "Some new key",
...
}
```
## 📖 Documentation
@@ -235,7 +227,6 @@ Usage and other technical details about the project can be found here:
[**Docs**](./docs/README.md)
## 📝 Copyright & License
Copyright 2021-2025 New Vector Ltd
@@ -253,4 +244,4 @@ have agreed to). Unless required by applicable law or agreed to in writing,
software distributed under the Licenses is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
Licenses for the specific language governing permissions and limitations under
the Licenses.
the Licenses.