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 |
| Philippines | Busy tone | 480+620 | 0.5 on 0.5 off |  |
| Philippines | Call waiting tone | 440 | 0.3 on 10.0 off | |
| Philippines | Conference tone | 440 | 0.2 on 15.0 off | |
| Philippines | Congestion tone | |||
| Philippines | Dial tone | |||
| Philippines | Disconnect tone | |||
| Philippines | Holding tone | |||
| Philippines | Howler tone | |||
| Philippines | Number unobtainable tone | |||
| Philippines | Ringing tone | |||
| Philippines | Special dial tone | |||
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