Patent ID: 7180897
Filing Date: 2007-02-20
Classification: H04L,H04Q

Abstract:
1. A telecommunications system, comprising: one or more nodes; a plurality of telephone exchanges, two of which are arranged to communicate traffic with each other via the one or more nodes; wherein communication via the one or more nodes is in a packetized form of packets; wherein the one or more nodes comprise routers; wherein at least some of the telephone exchanges arranged to communicate with each other via the one or more nodes are trunk exchanges; wherein each of the trunk exchanges has a direct link to each of the one or more nodes; wherein communication via one or more of the routers uses internet protocol (IP) for the traffic; and an adapter for exchanging status information in a packetized form, said status information at least including traffic-blocking information to allow the flow of new traffic to the adapter to be stopped, the adapter also including means for converting the traffic from the packetized form to a non-packetized form.