ZxChat Video Calls

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Available since version: 1.6.4
Latest Version: 1.36
Released on: August 18th, 2016
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ZeXtras Chat Video Calls

Starting from ZeXtras Suite 2.0, ZeXtras Chat includes a Video Call feature that allows user to communicate with their buddies through a webcam and a microphone on top of with basic text IM.


Based on WebRTC technology, this feature does not require any specific/proprietary plugins, it works right out of the box with no setup involved and it's easily accessible from the ZeXtras Chat Zimlet by opening a new chat window and clicking on the camera icon ZxChat Camera Icon.png

WebRTC and you: a crash course

From the Official WebRTC Website:

WebRTC is a free, open project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimized to best serve this purpose.


Our mission: To enable rich, high quality, RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.
The WebRTC initiative is a project supported by Google, Mozilla and Opera, amongst others. This page is maintained by the Google Chrome team.

Browsers and compatibility

WebRTC is aiming to become a standard in RealTime Communications, and is supported natively by the following browsers:

  • Google Chrome 23+
  • Mozilla Firefox 22+
  • Opera 18+

Leaving out Opera, which is not in Zimbra's supported browsers list, Chrome and Firefox are the browsers of choice.

An official testing tool is available to check whether your browser is compatible with WebRTC

How it works

WebRTC is a point-to-point protocol, meaning that both parties must be able to connect to each other in order to successfully establish a communication. This means that ZeXtras Chat, and consequently Zimbra, are not involved in the communication directly thus keeping both the server's load and bandwidth usage caused by video calls extremely low.

ZeXtras Chat makes use of dedicated STUN servers provided by Google and the Mozilla foundation to route video calls, and in the future a TURN server will be included in ZeXtras Suite in order to act as a fallback. Starting from version 1.35, you can set up the ZeXtras Chat Zimlet to use a third-party TURN server

Frequently Asked Questions

Warning.png Warning!

Coming Soon

Known Issues

  • Due to compatibility issues, video calls are only available between users using the same browser. A workaround will be released in one of the next ZeXtras Suite releases.
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