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Signal enables E2E encrypted group video calls

Video Conferencing getting popular nowadays, COVID-19 pandemic, these video calling apps comes very convenient for people working from home. One of the popular messaging and video calling app, Signal Messenger has now enabled E2E encrypted group video calls, however, earlier Signal also uses end to end encryption for both messaging service and one to one video calls. Signal Private Messenger is an open-source messaging app primarily focusing on user privacy and security. The Signal Encryption protocol is also used by WhatsApp to encrypt their messages.

"Signal Group Calls are one of many features that we have designed with Signal Private Groups as a foundation, using our RingRTC library for handling frame encryption and the logic around setting up and joining calls," says Signal's blog post.

The Signal Private Messenger is widely popular amongst privacy enthusiasts and is one of the best alternatives for WhatsApp and Telegram. The prime highlight of this feature is to end-to-end encrypted group video calls by securing all user data and nothing is saved on Signal’s servers like everything else on Signal Messaging Platform. As of now, the feature is currently limited to five participants only. While Signal is actively working to expand the number of people who can join video calls.

Signal mention in their blog post that, “You can also swipe up to switch to a view that automatically focuses the screen on who is speaking, and it will update in real-time as the active speaker changes.”

Image Courtesy: Signal Blogpost

To use the E2E encrypted group video calls feature on Signal users will see a video call button at the top of their group chat. Simply tap on the video call button to begin your face-to-face group conversation. All participants of the group will receive a notification when you start a video call which is quite obvious while making a video call.