Mavenir Systems (NYSE:MVNR) announced the availability of its Voice over WiFi (VoWiFi) solution for cable operators. Mavenir's VoWiFi solution is NFV-based and includes session control, application/messaging servers, access/border gateways, subscriber management/activation systems, and clients. It's designed to integrate with an operator's existing IMS core network or to be deployed as a greenfield network to offer voice, video and messaging applications using WiFi access.