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 |
| Andorra | Pay tone | 1600 | 2x(0.05 on 0.05 off) 1.5 off |  |
| Antigua & Barbuda | Pay tone | 622 | 0.136 on 0.136 off | |
| Austria | Pay tone | 852 | 1.5 on | |
| Bahrain | Pay tone | |||
| Bangladesh | Pay tone | |||
| Benin | Pay tone | |||
| Bosnia & Herzegovina | Pay tone | |||
| Brazil | Pay tone | |||
| Cyprus | Pay tone | |||
| French Polynesia | Pay tone | |||
| Greenland | Pay tone | |||
| Guernsey | Pay tone | |||
| Hungary | Pay tone | |||
| Hungary | Pay tone | |||
| Japan | Pay tone | |||
| Jersey | Pay tone | |||
| Kenya | Pay tone - I | |||
| Kenya | Pay tone - II | |||
| Liechtenstein | Pay tone - I | |||
| Liechtenstein | Pay tone - II | |||
| Liechtenstein | Pay tone - III | |||
| Macedonia | Pay tone | |||
| Madagascar | Pay tone | |||
| Mali | Pay tone | |||
| Moldova | Pay tone | |||
| New Zealand | Pay tone | |||
| Saint Helena | Pay tone | |||
| Saint Lucia | Pay tone | |||
| Saint Vincent & the Grenadines | Pay tone | |||
| Slovak Republic | Pay tone - I, cards | |||
| Slovak Republic | Pay tone - II, coins | |||
| Slovenia | Pay tone | |||
| Solomon Islands | Pay tone | |||
| Swaziland | Pay tone | |||
| Sweden | Pay tone | |||
| Tanzania | Pay tone | |||
| Tanzania | Pay tone | |||
| United Kingdom | Pay tone | |||
| Venezuela | Pay tone | |||
| Zambia | Pay tone | |||
| Zimbabwe | Pay tone | |||
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