U+C

Specially designed for enterprise extension phones. The telephone of your office extension becomes an app on your iPhone. No matter where you are, no matter where your colleagues are, you could easily call them by using "U+C".

In addition, "U+C" has friendly user-interface, and good audio quality, you may easily extend your office anywhere. "U+C" is also customized for enterprises, it provides you better experience of mobile communication within enterprise.