Nurse call systems utilized in modern healthcare and senior living facilities are generally classified into three main categories based on their architecture, signaling capabilities, and integration complexity. The first category comprises traditional hardwired audio-visual systems, which use dedicated physical copper cabling to connect patient bedside stations to corridor dome lights and central nurses' station master consoles, providing basic signaling and direct voice communication. The second category includes advanced IP-based (Internet Protocol) and digital nurse call systems, which leverage structured local area networks to offer modular scalability, bidirectional messaging, software integration, and advanced workflow routing. The third category encompasses wireless and mobile-integrated nurse call solutions, which transmit patient alerts, emergency calls, and device notifications directly to mobile handsets, pocket pagers, and smartphones carried by roving nursing staff, thereby eliminating the limitation of stationary master consoles and ensuring rapid caregiver response regardless of staff location within the facility.