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 |
| Ireland | Busy tone | 425 | 0.5 on 0.5 off |  |
| Ireland | Call waiting tone | 425 | 0.18 on 0.20 off 0.20 on 4.50 off | |
| Ireland | Dial tone | 400 | continuous | |
| Ireland | Dial tone | |||
| Ireland | Dial tone | |||
| Ireland | Disconnect tone | |||
| Ireland | Disconnect tone | |||
| Ireland | Ringing tone | |||
| Ireland | Ringing tone | |||
| Ireland | Route tone | |||
| Ireland | Special information tone | |||
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