
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.
Business customers subscribing to our paid premium service can benefit from unrestricted searching of over 1,700 records, update notifications and support, for up to ten users, ad-free.
Help us improve! If you have updated information on Disconnect tones or official versions of national tone plans, please let us know.
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 |