The TFS-Dialog 400 is a modern intercom system specifically designed for analog extension connections. It can be easily connected to a/b ports of various telephone systems, including those from Auerswald as well as other manufacturers like AVM, Alcatel, Avaya, and Unify. The elegant glass front gives the device an appealing design that harmoniously fits into different environments. Installation is particularly user-friendly, especially when used with Auerswald ITK systems that allow for simplified commissioning. The system features intelligent door opening detection, which stops the phone ringing as soon as the door is opened. Additionally, the TFS-Dialog 400 is equipped with a backlit sensor field that functions reliably even in low light conditions. Keyless door opening is achieved through a keypad that allows for flexible and secure access control. The indirect ambient lighting provides additional visibility and security.

• Intelligent door opening detection for automatic silencing of the ringtone
• Backlit sensor field with energy-saving LED technology for optimal visibility
• Keyless door opening by entering a 4 to 8-digit code
• Indirect ambient lighting for added safety and visibility
• Compatible with various telephone systems and smart home systems.