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.
Business customers subscribing to our paid premium service can benefit from unrestricted searching of over 1,700 records, update notifications and support, for up to ten users, ad-free.
Help us improve! If you have updated information on Disconnect tones or official versions of national tone plans, please let us know.
| Country | Tone | Frequency/Hz | Cadence/s | Audio |
| Aruba | Confirmation tone | 425 | continuous |  |
| Bosnia & Herzegovina | Confirmation tone | 425 | continuous | |
| Brunei Darussalam | Confirmation tone | 400x24 | 0.1 on 0.1 off 0.3 on 0.3 off | |
| Burkina Faso | Confirmation tone | |||
| Iran | Confirmation tone | |||
| Israel | Confirmation tone - I | |||
| Israel | Confirmation tone - II | |||
| Lao | Confirmation tone | |||
| Latvia | Confirmation tone | |||
| Macedonia | Confirmation tone | |||
| Norway | Confirmation tone | |||
| Turkey | Confirmation tone | |||
| United Kingdom | Confirmation tone | |||
| United States | Confirmation tone | |||
| Venezuela | Confirmation tone | |||
Corporate user? Please consider sponsoring this service by getting a paid subscription for your institution.