A bandwidth transfer switching system (100) connecting various customer devices (12a-g), including local area networks (44), from customer premises (42) through a local loop (50) to a telco central office (50), to deliver switched circuit traffic to central office switches (60) and data packet traffic...http://www.google.de/patents/US6674749?utm_source=gb-gplus-sharePatent US6674749 - Bandwidth transfer switching system
