
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 |
Panama | Busy tone | 425 | 0.32 on 0.32 off | ![]() |
Panama | Call waiting tone | 425 | 0.18 on 0.18 off 0.18 on | |
Panama | Congestion tone | 425 | 0.32 on 0.32 off | |
Panama | Dial tone | |||
Panama | Number unobtainable tone | |||
Panama | Ringing tone | |||
Panama | Special information tone | |||
Panama | Warning tone - operator intervening |