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.
|Germany||Busy tone||425||0.48 on 0.48 off|
|Germany||Call waiting tone||425||0.2 on 0.2 off 0.2 on 5.0 off|
|Germany||Congestion tone||425||0.24 on 0.24 off|
|Germany||Payphone recognition tone|
|Germany||Special dial tone|
|Germany||Special information tone|
|Germany||Warning tone - operator intervening|