Patent ID: 6307927
Filing Date: 2001-10-23
Classification: H04M,H04Q

Abstract:
A method for operating a network, which comprises:providing a network having a plurality of transmission nodes and a first terminal, a second terminal, and another terminal connected to each other through the plurality of transmission nodes;first sending, from the first terminal a request to communicate confidentially with the second terminal;receiving the request at a first node of the plurality of nodes;forwarding the request from the first node to others of the plurality of nodes;replying with a respective confirmation signal, from each of the plurality of nodes, after receiving a confirmation signal from each node sent the request by the respective node;second sending, from the first node, responsive to receiving the confirmation signal from the others of the plurality of nodes to which the first node forwarded the request, a disconnection signal to the others of the plurality of nodes; anddisconnecting any terminal linked to the connection except the first terminal and the second terminal.