Communication acronym

Trains Magazine General Discussion
1

What does DTMF stand for?

2

Dual Tone Multi-Frequency. A method of sending multi-frequency tones across a telephone network. These tones are used for tone dialing and accessing various services.

3

What does DTMF stand for?

4

Dual Tone Multi-Frequency. A method of sending multi-frequency tones across a telephone network. These tones are used for tone dialing and accessing various services.