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.
|Finland||Busy tone||425||0.3 on 0.3 off|
|Finland||Call waiting tone||425||0.15 on 0.15 off 0.15 on 8.0 off|
|Finland||Congestion tone||425||0.2 on 0.2 off|
|Finland||Special dial tone|
|Finland||Special information tone|
|Finland||Warning tone - operator intervening|