The IS Series is an IP Video Intercom system. It provides communication from secured door entries as well as internal communication over a LAN or a WAN. Identify visitors and unlock doors from any standard or software master station or even a cell phone! The IS Series features video door stations, internal room stations, desktop master stations, and a new PC software master station. The IS Series also allows users to easily schedule audio or bell announcements, making it the perfect communication system for school districts. Wired using CAT-5 cable and standard LAN/WAN networks, the IS Series is the all-in-one communication solution for any application.