CARRIER NETWORK HARDWARE AND SOFTWARE TO COMMUNICATE VOICE, VIDEO, MULTIMEDIA, AND COMPUTER DATA TO AND FROM CENTRAL OFFICES, CO-LOCATIONS, POINTS OF PRESENCE, AND MULTI-DWELLING UNITS; SUBSCRIBER PREMISES NETWORK HARDWARE AND SOFTWARE TO COMMUNICATE VOICE, VIDEO, MULTIMEDIA, AND COMPUTER DATA BETWEEN SUBSCRIBER PREMISES AND CARRIER NETWORKS; COMPUTER HARDWARE AND SOFTWARE FOR NETWORK OPERATIONS MANAGEMENT