Signal offers an encrypted alternative to Zoom - see how it works
Briefly

Signal's new call links let users initiate video calls effortlessly, strengthening its position against Zoom and Google Meet while ensuring user privacy and data protection.
'Call links join a suite of other features to improve Signal calling including a raise hand button, emoji reactions, a dedicated calls tab, and a number of improvements to the look and feel of Signal calls.'
Signal aims to offer a private alternative to mainstream video conferencing options, emphasizing its commitment to user data security amidst rising concerns over data handling.
Previously, Signal required group chats to initiate calls, but with the new link feature, users can easily connect with anyone on the platform.
Read at ZDNET
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