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 |
| Moldova | Busy tone | 425 | 0.35 on 0.35 off |  |
| Moldova | Call waiting tone | 425 | 0.2 on 5.0 off | |
| Moldova | Congestion tone | 425 | 0.2 on 0.2 off | |
| Moldova | Dial tone | |||
| Moldova | Pay tone | |||
| Moldova | Ringing tone - I | |||
| Moldova | Ringing tone - II | |||
| Moldova | Special information tone | |||
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