WhatsApp Web is preparing to roll out voice and video calling capabilities, according to a report by WABetaInfo. New call buttons spotted in the web client hint that these features will soon be available across all versions of WhatsApp

Current Limitations on WhatsApp Web 

At the moment:

Upcoming Enhancements for Browser Users 

Adding voice and video calls directly to the web client will:

This update will make it easier for users to stay connected across devices without switching between mobile phones, desktop apps, or different platforms.

Details Still Under Development

As of now: