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 |
Lesotho | Busy tone - I | 425 | 1.0 on 1.0 off | |
Lesotho | Busy tone - II | 425 | 0.5 on 0.5 off | |
Lesotho | Call waiting tone - I | 425 | 1.0 on 3.0 off | |
Lesotho | Call waiting tone - II | |||
Lesotho | Congestion tone - I | |||
Lesotho | Congestion tone - II | |||
Lesotho | Dial tone | |||
Lesotho | Ringing tone | |||
Lesotho | Special information tone - I | |||
Lesotho | Special information tone - II |