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Extract phone numbers from an audio recording of the dial tones.

Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-to-Speech, Numbers, Verify (2FA), Video and more.

ToneDef is a small, but powerful tone dialer application for Android featuring DTMF, bluebox, and redbox tone generation.

Electronic Modules

C# implementation of the Goertzel algorithm for DTMF tone (a.k.a. Touch-Tone) detection and localization in audio data. Includes wrappers and extensions for NAudio.

📞 Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone

some synth defs for SuperCollider

Library to generate DTMF tones only using Arduino Uno.

Dtmf generator for stm32

ショートメッセージサービス用のDTMF信号を生成する

Fast superresolution frequency detection using MUSIC algorithm

The most modern way to live in the 70s, 80s, and 90s, a phreaking awesome Blue Box DTMF tone generator

Project of Signals & Systems course

Code and hardware design for a Bluetooth to POTs telephone adapter

DTMFDuino receives DTMF tones through a MT8870 integrated circuit who converts the analog audio of tones to a binary code understandable by the microcontroller. The microcontroller runs Arduino bootloader and converts the received codes to actions (turn on and off some outputs), also the system has the option to know the current state of each ou…

Generate DTMF tones to phone numbers

Converter from pulse dialing to tone dialing

DTMF decoder for STM32

DTMF Tone Generator and Receiver