Integrated Answer/ Recording facility. Subscriber’s Private Meter Call barring units Bureau meters / Public Call office monitors Cellular Telephones Fixed Wireless Local Loop Terminals Inmarsat Mobile Earth Terminals Transmitters j? Television Broadcast Transmitters All types(NB. Mark up loaded to secretarial sets with this facility). All types 40,000 40,000 500 4,000 600 8,000 600 1,000 8,000 12,000 GSM, GMPCS, ETACS. All types 10,000 40,000 3,000 30,000 All types 10,000 40,000 All types All types 97