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| audio frequency | |||
| touchtone (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
| audible frequency; audible tone | |||
| voice-frequency | |||
| äänitaajuus: 6 phrases in 2 subjects |
| General | 1 |
| Information technology | 5 |