DiVitas Networks, a start-up based in Mountain View, California, unveiled a mobile-to-mobile convergence solution that provides enterprises with seamless roaming and WiFi-cellular handoffs. The DiVitas solution consists of a Mobile Convergence Appliance (MCA) deployed inside the enterprise and a Mobile Convergence Client(MCC) embedded in the handset. It works with existing PBX-based voice systems or in a standalone configuration and interoperates with any WLAN infrastructure. It supports dual-mode phones, WiFi-only phones, cellular-only smartphones,...