A network gateway is configured to facilitate on line and off line bi-directional communication between a number of near end data and telephony devices with far end data termination devices via a hybrid fiber coaxial network and a cable modem termination system. The described network gateway combines...http://www.google.es/patents/US7933295?utm_source=gb-gplus-sharePatente US7933295 - Cable modem with voice processing capability
