DiVitas Networks, a start-up based in Mountain View, California, raised $15 million in series B funding for its enterprise-class fixed-mobile-convergence (FMC) platform that enables seamless roaming between Wi-Fi and cellular networks. The platform, which is currently in beta testing, is being designed to work with in any corporate WLAN environment, with any PBX, and over any type of fixed, mobile, or wireless network. A light, client application would run on the dual-mode handset. DiVitas said the key mission for its forthcoming platform is to...