Intercom systems are communication devices used to facilitate direct, two-way conversations within a specific area or between distinct locations.

These systems are commonly employed in residential, commercial, and industrial settings to enhance internal communication and control access. An intercom setup typically includes a central control unit and individual intercom units installed at various points, allowing users to speak and listen through built-in microphones and speakers.

Modern intercom systems often incorporate advanced features such as video capability, enabling users to see who is at the door or monitor different areas visually. These systems improve security by allowing residents or employees to verify visitors before granting access and can also streamline communication within large buildings or facilities.

By integrating intercom systems with other technologies like access control and alarm systems, organizations and homeowners can create a more cohesive and efficient security and communication network.