A method and system for providing a network which routes telephone calls to the dial-up access line of on-line data services, such as an Internet Service Provider. The calls are routed over, over data trunks to a circuit-switch that consolidates access to on-line data services. The data trunks are separate...http://www.google.ca/patents/US6084872?utm_source=gb-gplus-sharePatent US6084872 - Trunk and switch architecture for providing switched-circuit connections to on-line data services
