Incorporating Whats-app in Freepbx?

Halo,
I have a secondary question, sins more an more people are leaving normal telephones, and relying more and more on whats-app, is there an add-on that can connect whats-app to freepbx?
I started in my environment with 80 voip telephone 20 years ago and now allot of the telephones are not in-use anymore, most of the users that abandoned there telephones are saying to use Whats-app.
So, ???
Greeting
Willy

I believe Meta strongly discourage people trying to interface to WhatsApp, other than through their PSTN gateways; it should be considered a closed system.