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 | Busy tone | 425 | 0.3 on 0.3 off |  |
| Finland | Call waiting tone | 425 | 0.15 on 0.15 off 0.15 on 8.0 off | |
| Finland | Congestion tone | 425 | 0.2 on 0.2 off | |
| Finland | Dial tone | |||
| Finland | Queue tone | |||
| Finland | Ringing tone | |||
| Finland | Special dial tone | |||
| Finland | Special information tone | |||
| Finland | Warning tone - operator intervening | |||
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