Welcome to the World Tone Database, dedicated to the A-Z of international call progress tones. From here you can research tone parameters in national tone plans and hear the tones on-line.
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| Country | Tone | Frequency/Hz | Cadence/s | Audio |
| Finland | Queue tone | 950/950/1400 | 0.65 on 0.325 off 0.325 on 1.3 on 2.6 off |  |
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