DTMF Keyboard for Windows

DTMF Keyboard is a free Windows application designed for generating Dual-Tone Multi-Frequency (DTMF) signals, commonly used in telecommunications. This utility allows users to create and send DTMF tones through their audio output, making it suitable for various applications including testing phone systems, remote control operations, and interactive voice response systems.

The software features a straightforward interface with a virtual keypad that mimics a telephone dial pad. Users can easily click on the desired keys to generate corresponding tones. Additionally, DTMF Keyboard supports customizable tone durations, providing flexibility for different use cases. This application is particularly useful for hobbyists and professionals needing reliable tone generation for testing or operational purposes.