| |||
| knappval; tonval; knappsatsval | |||
| Anglais glossaire | |||
| |||
| touch calling | |||
|
pushbutton dialling : 4 phrases, 1 sujets |
| Communications | 4 |
| |||
| knappval; tonval; knappsatsval | |||
| Anglais glossaire | |||
| |||
| touch calling | |||
|
pushbutton dialling : 4 phrases, 1 sujets |
| Communications | 4 |