Russian authorities are now reportedly blocking some calls on third-party apps, arguing that foreign-owned platforms have not done enough to help security services access such data in cases of fraud and counter-terrorism.

100M+ Russian Users Impacted
WhatsApp is banned in Russia while this rule stays as it's supposed to be a private and end-to-end encrypted application that prevents the government from intruding on the right of privacy for over a hundred million Russian people," the company said.

The company also noted that it continues to be committed to making end-to-end encrypted communication available worldwide, including in Russia, albeit with limitations.