WhatsApp is rolling out a new web calling feature, allowing users to make and receive audio and video calls in a browser without installing the PC app. As the company revealed, WhatsApp users can now make web calls via a browser. In addition, WhatsApp is introducing a call transfer feature. Now, users can start a call on a mobile device or tablet and seamlessly transfer it to WhatsApp Web or desktop. These features are rolling out gradually to all users, so it may take a few days for them to become available to you.