Computer software for use in management of emergency support information systems, namely, software for computer servers hosting emergency communication databases, and software for client PC-based workstations from which emergency communication data is accessed; computer software for use in providing emergency support via telephone, telematics devices, modem and global computer networks from callers to emergency management system personnel; telecommunications products for automatic number and location identification systems to perform enhanced emergency call function, namely, multiplexers and electrical controllers; computer software for use in the field of public safety answering systems for controlling automatic number and location identification microprocessors, collecting and reporting call information, records management and computer-aided dispatch; automatic number and location identification systems, namely, computer hardware, microprocessors for controlling and reporting call information, alternate computer hardware microprocessors control cards, multiplexers, electric controllers, terminals, key pads, printers and computer controlled data management and reporting units