Earlier this year, one of the most widely used messaging, the WhatsApp has announced one of most awaited feature, the WhatsApp web which lets you view and send WhatsApp messages from your computer by using a web browser. At that time company has announced this feature only for Android users and said that WhatsApp Web could not be available on on iOS as some limitation imposed by Apple.
If you want to enable WhatsApp Calling on your iOS device then head over to BigBoss repository on Cydia and download and install WhatsApp Web Enabler and from here trick is straight forward. Once installed, you will see WhatsApp Web button in the Setting menu of your WhatsApp.
Now head over to http://web.whatsapp.com and scan the QR code from your iOS device after tapping on WhatsApp Web on your device, once you are authorized, you can view and send messages from your web browsers.