 |
| |||
| äänitaajuus (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
| touchtone: 3 phrases in 2 subjects |
| Microsoft | 2 |
| Statistics | 1 |
|
| |||
| äänitaajuus (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
| touchtone: 3 phrases in 2 subjects |
| Microsoft | 2 |
| Statistics | 1 |