TELECOMMUNICATIONS APPARATUS, NAMELY TELECOMMUNICATIONS SWITCHES; COMPUTER HARDWARE FOR USE IN TELECOMMUNICATIONS NETWORKS, DATA NETWORKS, AND VIDEO NETWORKS; COMPUTER SOFTWARE FOR CONTROLLING THE OPERATION OR MONITORING THE PERFORMANCE OF TELECOMMUNICATIONS NETWORKS, DATA NETWORKS AND VIDEO NETWORKS; DATA NETWORKING APPARATUS, NAMELY DATA NETWORKING ROUTERS; VIDEO NETWORKING APPARATUS NAMELY MULTIMEDIA FIREWALLS, AND MULTIMEDIA ROUTERS AND COMPONENT PARTS FOR ALL THE AFOREMENTIONED GOODS