 |
| |||
| DTMF (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies) | |||
|
DTMF : 1 a las frases, 1 temas |
| Comunicaciones | 1 |
|
| |||
| DTMF (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies) | |||
|
DTMF : 1 a las frases, 1 temas |
| Comunicaciones | 1 |