randomstuff / dtmf-dialer

Dial a telephone number on your POTS phone

DTMF dialer

Dial a telephone number on your POTS phone.

Why? because the buttons of my telephone are broken.

Content

• dtmf-dialer.bash, the main implementation;

• dtmf-dialer.bash, an implementation in bash;

• dtmf-dialer-cinform, confirmation dialog.

User documentation

Basic usage

1. Adjust the volume of your computer;

2. Take your (POTS) telephone handset and place its microphone near your computer speaker/headphone;

3. Run the program:

   dtmf-dialer 33-456789

4. Wait and speak.

You need to ajust the volume of your computer speaker and the relative position of your telephone microphone in order to have as suitable reception of the DTMF signal.

• If they are too far apart or if the volume is too high, the signal will be too weak;

• If they are too near or if the volume is too low, you will have distortion.

Roadmap

• argument processing;

• support for country prefixes (and exit prefix);

• real tel: URI handling