Consumer-driven mobility has led employees to rely increasingly on mobile devices for business purposes. A significant volume of business communications is now conducted on mobile devices, but the lack of integration between mobile networks and enterprise IT systems means mobile and traditional business communications sit side by side, with IT managing them as separate entities. These limitations can impact the user experience and open the door to privacy, compliance and security risks. We look at how cloud-based, mobile-native communications is influencing the emergence of second-wave mobility and the implications this will have.