Are you having a hard time finding the best app to make office calls while being on mobile? Do you want to know an app that can help you with the problem? If so, then you must try to download this application. 

This is the Alpha Caller app for Android. The main goal of the app is to use it as a replacement for fixed phones or can be used in correlation with fixed phones in your office. The application is very simple and easy to with a decent graphical user interface. You can also get it for free with no advertisement. Download and install it now!