Simply lift the handset and this phone automatically dials. Great for emergency phone and courtesy phone applications. The K-1900 Series of Hot-Line phones are programmable to dial a 1-32 digit telephone number each time the phone???s handset is lifted. The products may be programmed to Touch Tone or pulse dial and will not dial on incoming calls. The K-1900 Series phones are available in a desk or wall chassis, as well as in a vandal resistant panel phone configuration. A network insert dialer is also available, to convert standard phones into hot-line phones.