Electric and electronic equipment, namely, telecommunications hardware in the nature of computer hardware for telecommunications, apparatus for recording, transmitting and reproducting sound and related software for nurse-patient signaling and communication; voice amplification units, namely, amplifiers, re-amplifiers and loudspeakers; voice paging units; private administrative telephone communication units, comprised of programmable telephone handsets, programmable loudspeakers, room speakers and microphones, digital displays, programmable digital clocks, signal controls, wireless communication devices, call control consoles for processing communications, programmable electronic clocks and programmable bulletin boards; audio amplifiers; re-amplifiers; computerized communication control and information retrieval units for use in schools, health care facilities, hospitals and other institutional applications, comprised of computer hardware and software, telecommunications hardware and software used for the transmission control of voiced information and communication devices; two way communication units with one or more channels for use in schools and other institutional environments, namely, intercoms and two way radios; telephones; multipurpose communications unit consisting of telecommunications hardware in the nature of paging equipment, intercoms, computers and devices for transporting and aggregating voice, data and video communications across multiple network infrastructures and communication protocols and related software having nurse-patient communication, signaling and paging functions for use in health care facilities and hospitals; computer hardware and software and telecommunications hardware and software for providing mass notification within a school district or geographic area by live paging, pre-recorded message distribution by text and voice, bell and tone scheduling; sound reinforcement system for sound field reinforcement for both voice and program audio consisting of hardware in the form of an apparatus for the transmission of sound, sound amplifiers, sound mixers, a control unit, a receiver, wireless microphone, speakers and cables; computerized control system consisting of computer and telecommunications hardware and software for use in communications and retrieval of information relative to individual patients in hospitals and other health care facilities; a web-based integration system, namely, downloadable computer software that provides access to applications that enables the exchange of staff assignments to devices and beds and the exchange of staff status between computer systems in a hospital or other healthcare facility and a user interface to configure and diagnose the integration