The invention is a system for interfacing a GR-303 system with a broadband system. The broadband system can be an ATM system. The invention can process the GR-303 signaling to select ATM connections and then interwork the GR-303 connections with the selected ATM connections. The invention can interwork...http://www.google.com.au/patents/US7324534?utm_source=gb-gplus-sharePatent US7324534 - Broadband telecommunications system interface