Online Tone Generator
DTMF Dial Tones
The Online Tone Generator can be used to create Dual Tone Multi Frequency (DTMF) signals commonly heard on telephone dial pads. Each tone is simply the sum of two sine waves. Click and hold the dial pad buttons to hear each tone.
1209Hz | 1336Hz | 1477Hz | 1633Hz | |
697Hz | ||||
770Hz | ||||
852Hz | ||||
941Hz |