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 |
| Japan | Busy tone | 400 | 0.5 on 0.5 off |  |
| Japan | Call waiting tone - I | 400x16/400 | 0.5 on 0.01~4.0 off 0.05 on 0.45 off 0.05 on 3.45 off | |
| Japan | Call waiting tone - II | 400x16/400 | 0.1 on 0.1 off 0.1 on 3.0 off | |
| Japan | Call waiting tone - III | |||
| Japan | Call waiting tone - IV | |||
| Japan | Call waiting tone - V | |||
| Japan | Call waiting tone - VI | |||
| Japan | Dial tone - I | |||
| Japan | Dial tone - II, pabx | |||
| Japan | Dial tone - III | |||
| Japan | Pay tone | |||
| Japan | Positive indication tone - I | |||
| Japan | Positive indication tone - II | |||
| Japan | Ringing tone - I | |||
| Japan | Ringing tone - II, pabx | |||
| Japan | Second dial tone | |||
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