OPTICAL FIBER TRANSMISSION EQUIPMENT COMMUNICATION EQUIPMENTS ETHERNET OPTICAL TRANSCEIVER OPTICAL TRANSMITTER AND RECEIVER SPECIAL LINE ACCESS DEVICE WIRELESS BUSINESS TELEPHONE CENTRAL OPTICAL TERMINAL GSM|CDMA SINGLE-PATH WIRELESS ACCESS FIXED PANEL MULTIPLEXING TELEPHONE FEE CHARGING SYSTEM GSM|CDMA MULTIPLEXING WIRELESS ACCESS FIXED PANEL NETWORK MANAGEMENT SYSTEM CENTRALIZED NETWORK MANAGEMENT EQUIPMENT NETWORK LIGHT TERMINAL INTEGRATED APPLICATION SOLUTION VIP CUSTOMER SPECIAL LINE ACCESS SOLUTION IP PUBLIC TELEPHONE SUPERMARKET SOLUTION CAMPUS AND FACTORY IVR SYSTEM SOLUTION WIRELESS IP PUBLIC TELEPHONE SUPERMARKET SOLUTION WIRELESS PUBLIC TELEPHONE CENTER MANAGEMENT SOLUTION VIP CUSTOMER WIRELESS ACCESS SOLUTION SERIES-CONNECTION COMMUNICATION SERVER PORT ADAPTER MACHINE CASE TYPE INTERFACE CONVERTER ETHERNET EXCHANGE TRANSMISSION EQUIPMENT POWER LINE CARRIER WAVE MULTIPLEXER CUT-OVER SERVER INTELLIGENT DUPLICATOR SYNTHESIS DATA CUT-OVER EQUIPMENT DATA MULTIPLE EQUIPMENT