Dual-tone multi-frequency (DTMF) signaling is a telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other …

This tool alows you to encode or decode DTMF (dual-tone multi-frequency) signals. Use this slider to set the duration of the tones. Use this dialpad to create the corresponding DTMF tones. You …

2020年6月28日 · DTMF(Dual Tone Multi Frequency) 双音多频，由高频群和低频群组成，高低频群各包含4个频率；两个频率波形合成按键信号(0-9 * # A B C D)。 SIP中检测DTMF信号的方 …

A DTMF code for dual-tone multi-frequency, is the name given to a combination of sound frequencies (beep) emitted by the keys of a telephone keypad. The sounds emitted can be …

Dual-tone multi-frequency signaling (DTMF signaling) is a telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other …

2022年1月6日 · DTMF Code, short for dual-tone multi-frequency code, is a response code generated when an end-user presses the numbers on a mobile or landline phone’s keypad. …

DTMF is the basis for voice communications control. Modern telephony uses DTMF to dial numbers, configure telephone exchanges (switchboards), and so on. Occasionally, simple …

DTMF Decoder is a very easy to use program to decode DTMF dial tones found on telephone lines with touch tone phones. DTMF Decoder is also used for receiving data transmissions …

2015年11月18日 · 本文介绍了DTMF（Dual-Tone Multi-Frequency）编码及其在电话按键中的应用。 DTMF由低频和高频SINE波形相加组成，通过建立按键矩阵进行编码。 解码过程利 …

A web based DTMF encoder/decoder. Contribute to NHollmann/DTMF-Tool development by creating an account on GitHub.