(The 1808 Access Plus is a versatile PC Programmable Telephone Entry System that provides voice communication for up to 27 residents from the main entry point to the resident via the phone network. Up to six (6) additional access points can be controlled by this system using cards, transmitters or keypads. The system is IP addressable allowing you to program the system (Access Plus Account Manager software required – free download) directly from your PC via a LAN or internet or direct connection. A built-in modem is also available. With a host of advanced features (see Specs below), the 1808 Access Plus offers a big time access control system for smaller applications at an affordable price.