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

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

Generate DTMF tones to phone numbers

Package for working with DTMF - a system for signaling over the voice band of a telephony system using multi-frequency tones.

A script used for sending Quick Call II (2-Tone), DTMF, and Single Tone paging signals via a radio transmitter.

☎︎ A POTS FXO emulator you can build at home minus all the enterprise garbage you have to sift through from off the shelf ATAs

Dockerized Python serial modem attendant to pick up and dial a key, with support for Telegram Bot integration.

Dial a telephone number on your POTS phone

Outputs DTMF digits detected from wave audio file

Decoder for DTMF (and other MF signals) in Python

Long Range DTMF-controlled Camera over Ham Radio

First mini-project

Projetos da disciplina de camada Física da computação.

A simple, easily modifiable automated weather station for use with radio transceivers.

Midterm Performance Task in CPE416: Digital Signal Processing

An Interactive Voice Response (IVR) system built with Asterisk for real-time balance checks, voicemail-to-email, and DTMF authentication.