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 |
| Austria | Busy tone | 425 | 0.26 on 0.26 off | |
| Austria | Busy tone - I | |||
| Austria | Busy tone - II, analogue | |||
| Austria | Congestion tone - I | |||
| Austria | Congestion tone - II, analogue | |||
| Austria | Dial tone | |||
| Austria | Dial tone | |||
| Austria | Dial tone - analogue | |||
| Austria | Disconnect tone | |||
| Austria | Disconnect tone | |||
| Austria | Disconnect tone | |||
| Austria | Negative indication tone | |||
| Austria | Number unobtainable tone | |||
| Austria | Pay tone | |||
| Austria | Payphone recognition tone | |||
| Austria | Positive indication tone | |||
| Austria | Recall dial tone | |||
| Austria | Ringing tone | |||
| Austria | Ringing tone | |||
| Austria | Ringing tone - analogue | |||
| Austria | Special dial tone | |||
| Austria | Special information tone | |||
| Austria | Waiting tone | |||
| Austria | Warning tone - operator intervening | |||
| Austria | Warning tone - operator intervening, analogue | |||
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