SYSTEM AVAILABILITY SA

telephones, cellular telephones, radio telephones, radio pagers, two-way radios, radio transmitters, radio receivers, radio transceivers, radio base stations, electrical switches, radio and telephone signal routers, electronic organizers, computers, modems, global positioning transceiver units, computer hardware and software for providing home location register, radio and telephone short message service and service nodes; namely, computer hardware and software for controlling and managing the radio and telephone short message service